BE1024963B1 - COMPOSITION SUITABLE AS A SOIL SUBSTRATE AND USE OF SUCH COMPOSITION - Google Patents

Abstract

The present invention relates to a composition suitable as a bottom substrate. In particular, the composition comprises a mixture of seeds of one or more grassy, grassy and / or leguminous plants, one or more lava rocks, baked clay granules, soil, peat soils and one or more soil improvers, the one or more lava rocks and the baked clay granules include a specific particle size. The invention further relates to a method for producing such a composition, a system comprising such a composition, a use of such a composition and a use of such a system.

Description

(30) Priority data:

(73) Holder (s):

AcTerra NV 9810, NAZARETH Belgium (72) Inventor (s):

GEERTS Bart 9810 EKE Belgium (54) COMPOSITION SUITABLE AS SOIL SUBSTRATE AND USE OF SUCH COMPOSITION (57) The present invention relates to a composition suitable as a soil substrate. More specifically, the composition comprises a mixture of seeds of one or more grass, grassy and / or leguminous plants, one or more lava stones, baked clay granules, topsoil, peat soil and one or more soil improvers, the one or more lava stones and the baked clay granules include a particular particle size. The invention further relates to a method of producing such a composition, a system comprising such a composition, a use of such a composition and a use of such a system.

BELGIAN INVENTION PATENT

FPS Economy, K.M.O., Self-employed & Energy

Publication number: 1024963 Filing number: BE2017 / 5469

Intellectual Property Office

International classification: A01G 24/15 A01G 24/10 A01G 24/20 Date of issue: 28/08/2018

The Minister of Economy,

Having regard to the Paris Convention of 20 March 1883 for the Protection of Industrial Property;

Having regard to the Law of March 28, 1984 on inventive patents, Article 22, for patent applications filed before September 22, 2014;

Having regard to Title 1 Invention Patents of Book XI of the Economic Law Code, Article XI.24, for patent applications filed from September 22, 2014;

Having regard to the Royal Decree of 2 December 1986 on the filing, granting and maintenance of inventive patents, Article 28;

Having regard to the application for an invention patent received by the Intellectual Property Office on 30/06/2017.

Whereas for patent applications that fall within the scope of Title 1, Book XI, of the Code of Economic Law (hereinafter WER), in accordance with Article XI.19, § 4, second paragraph, of the WER, the granted patent will be limited. to the patent claims for which the novelty search report was prepared, when the patent application is the subject of a novelty search report which discloses a lack of unity of invention as mentioned in paragraph 1, and when the applicant does not limit his filing and does not file a divisional filing in accordance with the search report.

Decision:

Article 1

AcTerra NV, Stationsstraat 1A, 9810 NAZARETH Belgium;

represented by

BRANTS Johan Philippe Emile, Pauline Van Pottelsberghelaan 24, 9051, GHENT;

CRABBE Ellen, Pauline van Pottelsberghelaan 24, 9051, GHENT;

a Belgian invention patent with a term of 20 years, subject to payment of the annual fees as referred to in Article XI.48, § 1 of the Economic Law Code, for: COMPOSITION SUITABLE AS A SOIL SUBSTRATE AND USE OF SUCH COMPOSITION.

INVENTOR (S):

GEERTS Bart, Noël Schoorensstraat 27, 9810, EKE;

PRIORITY:

BREAKDOWN:

Split from basic application: Filing date of the basic application:

Article 2. - This patent is granted without prior investigation into the patentability of the invention, without warranty of the Merit of the invention, nor of the accuracy of its description and at the risk of the applicant (s).

Brussels, 28/08/2018,

With special authorization:

BE2017 / 5469

COMPOSITION SUITABLE AS SOIL SUBSTRATE AND USE OF SUCH COMPOSITION

AREAS OF THE INVENTION

The present invention relates to a composition, in particular to a composition suitable as a soil substrate for sprouting and growing grass plants, grassy plants and / or leguminous plants.

BACKGROUND

Vegetative substrates are preferred in many situations and for a large number of locations, and are sometimes essential for human activities and environments. Although a variety of vegetative soils, and more specifically grass-like soils, have already been described in the prior art, a known problem remains that when a vegetative soil is used intensively, the vegetation is crushed against the soil, damaged and subsequently dies off. The top layer may be damaged to such an extent that no vegetation growth / germination is possible, with intensive use of or intensive passage over the soil substrate. As a result, vegetative surfaces lose a large part of their vegetation in the long or short term, and acquire an unattractive appearance.

It is also desirable - and often required by law - to provide a rideable strip for emergency vehicles, such as fire trucks, ambulances, etc., at public places and events. Many events are organized on a vegetative surface, so there is a risk that such vehicles will sink into the ground, slip or get stuck when they have to go to such a location.

Because of this, and in combination with aesthetic preferences, there is therefore a need for a composition suitable as a soil substrate which allows to provide a drivable vegetation soil. It is also desirable to provide a driveable vegetation floor, the view of which does not differ substantially from the view of the vegetation bottom, in order to be able to provide a drivable vegetation floor in an already existing vegetation floor, in order to visually implement the drivable vegetation floor in the existing one. vegetation floor.

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However, these goals are not sufficiently achieved with the known solutions.

The object of the invention is to find a solution to at least some of the above-mentioned problems. More specifically, the object of the invention is to provide a composition suitable as a soil substrate for the germination and growth of grass plants, grass-like plants and / or leguminous plants, which also provides a high stability and allows to create a mobile and / or intensively usable vegetation soil. .

SUMMARY OF THE INVENTION

For this purpose, the invention provides a composition according to claim 1. More particularly, the invention relates to a composition suitable as a soil substrate comprising a mixture of seeds of one or more grass, grassy and / or leguminous plants, one or more lava stones, baked clay granules, topsoil , peat soil and one or more soil improvers, characterized in that the one or more lava stones and the baked clay granules have a similar particle size of 3-20 mm.

This has the advantage that the one or more lava stones and the baked clay granules provide a certain structure and stability to the composition, while the mixture of topsoil, peat soil and one or more soil improvers is sufficiently soft for the seeds and root systems of one or more grasses. , grassy and / or leguminous plants to germinate and develop into plants. Furthermore, such a composition has the advantage that optimum drainage, resilience and food availability is provided for seedlings, seedlings and plants.

In a second aspect, the invention relates to a method according to claim 15. In particular, the invention relates to a method for producing a composition according to the invention comprising (i) mixing one or more lava stones, baked clay granules, topsoil, peat soil and one or several soil improvers; and (ii) mixing seeds of one or more grass, grassy and / or leguminous plants under the obtained mixture, in order to obtain a composition according to the present invention.

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This method has the advantage that the seeds can be added to the composition at a later time. This allows flexible, efficient and optimal production and makes it possible to always provide a composition with germinating seeds.

In a further aspect, the invention provides a system according to claim 17. In particular, the invention provides a system comprising a first composition and a second composition, wherein the first composition is a composition according to the present invention.

A system according to the invention makes it possible to combine a composition according to the invention with another composition or soil substrate, and in this way combine properties of the first and the second composition at will.

The invention also comprises a use of a composition according to the invention, according to claim 20. More specifically, the invention relates to a use of a composition according to the invention for applying a vegetation soil.

This has the advantage that a vegetation soil with both high stability and optimum growing conditions can be created for the seeds and plants, and that the vegetation is not damaged by intensive use or passage of the vegetative soil.

The invention further comprises a use of a system according to the invention, according to claim 24. In particular, the invention comprises a use of a system according to the invention for the construction of a vegetation soil.

The use of a system according to the present invention has the advantage that vegetation soils can be laid in very different conditions. For example, the second composition of the system can be chosen in function of the parameters and conditions of a location where a vegetation soil is being laid.

FI GUREN

The invention will be further elucidated on the basis of an exemplary embodiment shown in drawings. In the drawing shows:

BE2017 / 5469 Figure 1 shows a schematic representation of a cross-section of a vegetation floor laid by means of an embodiment of a system according to the invention.

Figure 2 illustrates a schematic representation of a cross-section of a vegetation floor laid by means of another embodiment of a system according to the invention.

Figure 3 shows a schematic representation of a cross-section of a vegetation floor laid by means of an embodiment of a system according to the present invention without pressing the vegetation floor.

DETAILED DESCRIPTION OF THE INVENTION

The invention relates to a composition suitable as a soil substrate.

Unless otherwise defined, all terms used in the description of the invention, including technical and scientific terms, have the meaning generally understood by those skilled in the art of the invention. For a better assessment of the description of the invention, the following terms are explicitly explained.

“A”, “the” and “it” refer to both singular and plural in this document unless the context clearly assumes otherwise. For example, “a segment” means “one or more than one segment”.

When "about" or "round" is used in this document with a measurable quantity, a parameter, a duration or moment, and the like, it means variations of +/- 20% or less, preferably +/- 10% or less, more preferably +/- 5% or less, even more preferably +/- 1% or less, and even more preferably +/- 0.1% or less than and of the quoted value, insofar as such variations of are applicable in the described invention. However, this should be understood to mean that the value of the quantity using the term "about" or "round" is specifically disclosed.

The terms “include”, “comprising” and “feature” are synonyms and are inclusive or open terms that indicate the presence of what follows, and do not exclude or prevent the presence of other components, features, elements, members, steps, known from or described in the prior art.

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Claiming numerical Intervals through the endpoints includes all integers, fractions, and / or real cases between the endpoints, including these endpoints.

The term "composition" is used herein as a synonym for "mixed egg", "mix" or "mix". The term "soil substrate" as used herein refers to a composition suitable for seed germination, and growth and development of seedlings, seedlings and / or crops. The present composition is mainly based on the following aspects.

In a first aspect, the invention relates to a composition suitable as a soil substrate, comprising a mixture of seeds of one or more grass, grassy and / or leguminous plants, one or more lava stones, baked clay granules, topsoil, peat soil and one or more soil improvers, with the characterized in that the one or more lava stones and the baked clay granules have a particle size of 3-20 mm.

Such a composition has the property that the one or more lava stones and the baked clay granules organize themselves in a regular and stable structure relative to each other, whereby the mixture of seeds of one or more grass, grass-like and / or leguminous plants, topsoil, peat soil and one or more soil improvers fill the spaces between the structure of the lava rocks and baked clay granules. The structure in which the lava rocks and the baked clay granules organize can be analogously imagined as a jar with marbles in which the lava stones and the clay granules are analogous to the marbles, and in which the spaces between the marbles (lava stones and clay granules) are filled by the mixing egg. of seeds, topsoil, peat soil and soil improvers. The lava rocks and baked clay granules in this way define a relatively rigid structure, so that the composition shows a high stability, while the topsoil, the peat soil and the soil improvers define a softer medium in which the seeds can easily germinate, and in which seedlings can develop their root system.

Preferably, the lava stones and / or clay granules have a similar height, width and length. More preferably, the lava rocks and / or the baked clay granules in a composition are preferably essentially spherical.

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The lava stones and / or the baked clay granules can be both angular and rounded. Whether a composition comprises angular or rounded lava stones and / or baked clay granules may depend on the intended use of the composition according to the invention.

In a preferred embodiment, the one or more lava rocks have a particle size of 3-20 mm, more preferably 4-19 mm, even more preferably 5-18 mm, even more preferably 6-17 mm, and most preferably 8 -16 mm. The baked clay granules may have a particle size of 3-20 mm, more preferably 4-19 mm, even more preferably 5-18 mm, even more preferably 5-17 mm, and most preferably 5-15 mm.

The particle size of the one or more lava stones and the baked clay granules is essential for a composition according to the invention. The inventors have found that such particle size results in an optimal ratio between the volume occupied by the lava rocks and clay granules, and the volume of interstices occupied by the mixture of seeds, peat soil, topsoil and soil conditioners. More specifically, said particle size in a first aspect ensures that the composition exhibits a high stability - induced by the lava stones and the clay granules - while the composition also comprises sufficiently large gaps that allow seeds to germinate and that seedlings or plants without problems can root. Therefore, said particle size allows an optimal ratio between the quantity of lava rocks and clay particles, and the quantity of mixture of seeds, topsoil, peat soil and soil improvers, in order to provide nutrients, nutrients and water in sufficiently high bioavailable concentrations in the composition for optimum growth and development. of grass plants, grassy plants and / or leguminous plants. In a second aspect, said particle size leads to a relatively homogeneous distribution of the composition, whereby a densely vegetated soil can be obtained. In a third aspect, lava rocks and / or baked clay granules with a particle size larger than those mentioned above would be unsafe when the vegetation is pruned or cut. For example, lava rocks and / or baked clay granules could not only damage the machines or equipment, but such particles could jump out and injure bystanders at the impact of the machinery or equipment. Lava rocks and / or baked clay granules with a particle size smaller than

BE2017 / 5469 mentioned above do not provide sufficient rigidity and stability to the composition. Smaller particles are also highly susceptible to erosion, and would render the resulting composition unsuitable as a soil substrate.

Preferably, the one or more lava rocks and the baked clay granules are sieved before they are provided in a composition according to the present invention, in order to prevent particles of too large and / or too small particle size from entering the composition.

Methods for determining and selecting lava stones and baked clay granules of suitable particle size are known to those skilled in the art. The particle size of lava rocks and baked clay granules can be determined by means of sieving, sieve analysis, laser diffraction analysis, sedimentation and / or combinations thereof.

In a preferred embodiment, a composition according to the invention, expressed as a volume percentage of the total volume of the composition, comprises at least 55% one or more lava stones and baked clay granules. More preferably, a composition according to the invention, expressed as a volume percentage of the total volume of the composition, comprises 55-85%, even more preferably 60-80%, even more preferably 65-75%, and most preferably about 75% one or more lava stones and baked clay granules. The remaining volume of the composition comprises the sum of the volumes of the spaces (~ spaces) between the lava rocks and baked clay granules, and may be completely filled with the mixture of seeds, topsoil, peat soil and one or more soil improvers.

The provision of the one or more lava rocks and the baked clay granules is important to induce sufficient rigidity and stability of the composition, while the provision of peat soil, topsoil and soil improvers ensures the presence of a sufficiently soft medium for the germination of seeds and the rooting of seedlings and plants. However, the interrelationships between the components of the composition are also essential in order to provide optimal germination and growth conditions for grass, grassy and leguminous plants in the composition.

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In a preferred embodiment, a composition according to the present invention, expressed as a mass percentage of the total mass of the composition, comprises 20-50% one or more lava rocks, 20-50% baked clay granules, 5-15% topsoil, 5-15% peat soil and 5-30% soil improver. The inventors have found that such composition leads to optimal sprouting growing conditions for grass, grassy and leguminous plants.

Baked clay granules are known for their use in horticulture as a hardening agent of the substrate. It is important that the clay granules in the composition include baked clay granules. The baked clay granules preferably originate from new baked clay pavers, and in particular "new" bricks. Baked clay granules are little to non-compressible, so that they induce a certain rigidity to the composition, without substantially increasing the density of the composition. Baked clay granules comprise a large number of air-filled pores, whereby the density of such clay granules is relatively low, and so that the density of the composition is limited and the composition, when provided on a surface or volume, is prevented from being compressed under his own weight, or under the weight of an object or person supporting the composition. The inventors of the present invention have found that recovery of fired clay from other sources, for example from facing bricks, is less reliable because such facing bricks are not frost resistant and would induce insufficient rigidity and / or because subsidence could occur at lower temperatures.

Baked clay granules differ from hardened clay granules in, inter alia, in that baked clay granules do not soften again when in contact with water, while hardened clay granules soften again on contact with water.

In a preferred embodiment, a composition according to the invention comprises baked clay mineral clay granules selected from the group comprising perlite, vermiculite, attapulgite, bentonite, clinoptilolite, dicalite, kaolinite, berthierine, pyrophylite, talc, montmorillonite, saponite, illite, muscovite, biotite, suotite. , chamosite, sepiolite, palygorskite, rectorite, corrensite, chlorite, imogolite, allophane, mica, smectite, mordenite, analcime, sodalite, hallosite, stevensite, ontronite, beidellite, hectorite and combinations thereof.

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Lava rocks are a source of nutrients and clay minerals and are therefore often used in horticulture and agriculture. Lava rocks act as binders of nutrients and as ion exchangers of nutrients between soil and plant roots. For example, lava stones provide main elements such as calcium, phosphorus and magnesium as well as a relatively high content of trace elements to a soil. Both main elements and trace elements are essential for plant growth and development.

Lava rocks are formed by the solidification of lava. Because the solidification of lava happens very quickly, air bubbles in the lava often have no time to escape and remain trapped in the solidified lava or lava rocks. In addition, lava rocks contain a high content of air and have a relatively low density. Lava stones nevertheless show little compressibility, so that they provide a certain rigidity to a soil or to a composition according to the invention.

Preferably, a composition according to the invention comprises lava stones or particles thereof, such as, for example, crushed lava stones.

In one embodiment, a composition according to the invention comprises one or more lava stones selected from the group comprising pumice, basalt, rhyolite, andesite, komatiite, dacite, trachyte, latite, tuff, ignimbrite, granophier, granite, granodiorite, diorite, dolerite, gabbro, peridotite and combinations thereof.

In one embodiment, the composition comprises baked clay granules and lava rocks of the same particle size.

As used herein, the term "same particle size" refers to two geometric objects that have a similar shape and size. Even more specifically, the term "the same particle size" as used herein may refer to two geometric objects having a similar shape and having a particle size of at most 20%, more preferably at most 15%, even more preferably at most 10%, and most preferably differ by up to 5%, such as about 4%, about 3%, about 2% or about 1%.

This has the advantage that the clay granules and lava rocks can organize in a more regular structure, so that the composition obtains a greater and more uniform rigidity. In addition, it provides a similar particle size

BE2017 / 5469 of the lava stones and clay granules ensures that the ratio of the composition between the volume occupied by the lava stones and clay granules, and the volume of the spaces occupied by the mixture of topsoil, peat soil, soil improvers and seeds can be monitored relatively easily in producing the composition. Furthermore, a similar particle size ensures that the ratio between the volume occupied by the lava rocks and clay granules and the volume of the interstices occupied by the mixture of topsoil, peat soil, soil conditioners and seeds is relatively constant over the entire volume of a composition.

Preferably, a composition according to the present invention comprises seeds of one or more grass, grassy and / or leguminous plants selected from the group comprising Festuca rubra, Festuca arundinacaea, Lolium perenne, Poa pratensis, Lolium multiflorum, Phleumalkingse, Poa trivialis, Festuca ovina , Festuca arundinacea, Agrostis tenuis, Festuca pratensis, Alopecurus pratensis, Elytrigia repens, Agrostis stolonfera, Poa annua, Achnaterum brachytrichum, Achnaterum calamagrostis, Agropyron magellanicum, Agropyron pubicurumus bromatundus bathera, Agatis bromatundus, media, Carex buchananii, Carex morrowii, Carex pendula, Carex comans, Chasmanthium latifolium, Bouteloua gracilis, Cortaderia, Chrysopogon, Cyperus, Deschampia, Festuca glauca, Hakonechloa, Helectotrichon sempervirens, Hordeum jubatum, Koelata lagindurus arenatus Luzula nivea, Luzula sylvatica, Melica altissima, Misc anthus floridulus, Miscanthus sinensis, Molinia caerulea, Molina arundinacea, Panicum virgatum, Pennisetum alopecuroides, Phalaris arundinaceae, Poa cita, Scirpus Zebrinus, Sorghastrum nutans, Stipa arundinacea, Stipa calamagrostis, Stipa lasiogrost species Trifolium pratense, Trifolium repens and combinations of these.

Peat or peat soil is a soil type that mainly contains humidified plant material, and is rich in nitrogen, phosphorus and sulfur which are essential for plant growth and development. The peat soil additionally ensures that a composition according to the invention comprises a sufficiently high content of such essential elements, and thereby substantially contributes to the development and growth of seedlings, seedlings and / or adult plants.

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Preferably, the composition comprises peat soil or peat soil soil which is pH neutral. Such peat soil can easily be obtained by selecting peat soil soil in which one or more trees and / or plants have already grown.

In a preferred embodiment, a composition comprises peat soil in which strawberry plants have already grown for one year.

In one embodiment, the composition includes peat as a peat soil.

Cultivation clay has a capillary effect and induces a water-holding capacity of the composition. In this way, the composition retains water longer so that the roots of plants have more time to absorb water, while the excess water can seep through and be drained. Thus, the composition can store water upon wetting and make the stored water available to the seeds, seedlings, seedlings and plants in drier Periods. A suitable moisture content also increases the bioavailability of the nutrients contained in the composition.

It is preferred that the composition comprise loam soil. Such loamy topsoil has a large capillary effect and induces a high water-holding capacity of the composition.

Soil improvers rich in nutritional elements and nutrients, whereby the growth and development of plants and crops in a composition according to the present invention is substantially increased and optimized.

The term "soil conditioners" as used herein refers to ingredients added to a soil to enhance soil fertility. More specifically, soil improvers are added to a soil so that plants grow better and are healthier. The term "fertility of a soil substrate" as used herein refers to the ability of that soil substrate to provide a plant with water and / or nutrients. The higher the fertility of a soil substrate, the more water and nutrients are available for plants, and the faster plants will grow and develop in such a soil substrate.

Soil improvers can contain the content of one or more main elements - nitrogen, phosphorus, potassium, calcium, sulfur and magnesium - and one or more trace elements - iron, zinc, copper, molybdenum, boron and manganese - in the

BE2017 / 5469 increase composition. The composition and concentration of the relevant elements differ between soil improvers. Preferably, a composition according to the invention comprises one or more soil improvers which contains all these elements in a sufficiently high concentration to guarantee an optimal growth and development of crops and plants.

In particular, the composition comprises vegetable material, animal material and / or inorganic material as a soil improver. The type of manure that is added to the composition may be determined on the basis of the nutrient contents in the other components of the composition.

In a further embodiment, the composition comprises one or more soil improvers selected from the group comprising horse manure, compost, humus, seaweed extracts, offal, blood meal, animal skin, hoof material, horn material, bone meal, fish meal, feather meal, green manure, crop residues, sludge, chicken manure, farmyard manure , peat, pig manure, cattle manure, slurry and combinations thereof.

It is preferred that a composition according to the invention comprises vegetable materials such as straw, hay and sawdust mixed with animal waste materials. For example, to strengthen the texture of the soil improver, manure and / or the composition. The vegetable materials will also be composted and in turn will contribute to the availability of nutrients and the fertility of the composition as a soil substrate.

As described, the presence of soil improvers in a first aspect is mainly important for the supply of nutrients. However, natural soil improvers are the main source of organic matter in the composition. It is therefore preferred to provide natural soil improvers in the composition. For example, the provision of organic matter induces a variety of advantages: organic matter gives the composition a darker color so that it will heat up faster in the spring, organic matter improves the soil structure, making it more workable and making the soil less compact, so that the roots develop better , organic matter stimulates a balanced soil life, organic matter contributes to the water-holding capacity and the drainage capacity of the composition, and organic matter acts as a buffer against fluctuations in the pH of the composition. Furthermore, organic matter functions as a mineral buffer because

BE2017 / 5469 which is able to bind minerals such as sodium, potassium, calcium and magnesium to its surface.

The term "organic matter" as used herein refers to degraded organic matter that cannot be recognized in its original form. In particular, about half of organic matter consists of organic carbon.

Preferably, the composition, expressed as a percentage by mass of the total mass of the composition, comprises 1-15% organic matter, more preferably 1-10% organic matter, even more preferably 1-7% organic matter, even more preferably 1 -5% organic matter, and most preferably 1-3% organic matter, such as about 2% organic matter.

Such a concentration of organic matter provides sufficient nutrients to the composition, while the salinity of the soil substrate is such that plants, and especially the root system of plants, can still efficiently absorb sufficient water from the soil.

In one embodiment, the composition comprises seeds of one or more crops that allow green fertilization. For example, leguminous crops such as Lupinus species, Vicia sativa and Trifolium species can enrich the composition with nitrogen. More specifically through symbiosis with Rhizobium bacteria. Non-butterfly flowered crops can assist a soil substrate or a composition suitable therefor in increasing the organic matter content therein.

The salinity of a soil substrate is often expressed as a function of the electrical conductivity of the soil substrate. The higher the electrical conductivity of a substrate, the higher the salinity of the substrate in question. Sprouting seeds, and developing and growing seedlings of grass, grassy and / or leguminous species is highly dependent on the salinity in a soil substrate. Plants mainly absorb water via their root system, and this through osmosis. Consequently, the uptake of water by plants depends mainly on the osmotic potential across membranes of a plant's root cells. In particular, under optimal conditions, the root cells will contain a higher concentration of solutes than the soil substrate. This will cause a net diffusion of water molecules from the soil to the root cells, and the water from the soil will be easily absorbed by the roots of a plant. When

BE2017 / 5469 if the soil has too high a salt content, the opposite will happen. Namely, water will diffuse from the root cells to the soil substrate, causing the plant to lose water and dry out. If a soil substrate has a low salt content, the plant will initially be able to absorb insufficient salt to perform certain biological activities, while in a second aspect there is also the risk that the osmotic pressure in the root cells becomes so great that the root cells swell and burst.

It is therefore important that a composition for use as a soil substrate has an optimum salt content. Preferably, a composition of the present invention has an electrical conductivity of 350-550 pS / cm, more preferably 400-500 pS / cm, even more preferably 425-475 pS / cm, and most preferably 440-460 pS, such as about 450 pS / cm. Such electrical conductivity corresponds to a salt content which is optimal for the germination, development and growth of grass plants, grassy plants and / or leguminous plants.

Methods for determining the salinity of a soil substrate can be done by taking a water sample from the soil and determining the salt concentration in the relevant water sample. Such methods are known by a person skilled in the art field. For example, the salt content can be determined by, among other things, using an electric conductivity meter, boiling out water, followed by mass determination of the résidu, use of a hydrometer, use of a refractometer, etc.

The water availability of a soil substrate is directly dependent on the amount of water the soil substrate comprises. The amount of water in a soil substrate is expressed as a function of the dry matter content of the soil substrate. The higher the dry matter content, the lower the water content in the soil substrate, and the lower the dry matter content, the higher the water content in the soil substrate. The amount of water of the soil substrate mainly depends on the water-holding capacity and the drainage capacity of the composition. The water content is important to obtain a soil substrate with an optimal osmotic potential. The inventors have found that a composition of the invention exhibits adequate draining capacity and optimum water holding capacity.

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In a preferred embodiment, the composition comprises a dry matter content of 50-90%, more preferably 55-90%, even more preferably 60-90%, even more preferably 65-90%, even more preferably 70-90%, and most preferably 75-85%, such as about 80%. Such dry matter content also contributes to a good soil structure and adequate air permeability in the composition.

The pH of a soil substrate is considered a main parameter because a large number of processes are controlled by this pH and it has a large influence on the fertility of the soil. For example, the form in which nutrients are present in the soil, and therefore the availability of such nutrients for absorption by a plant, is highly dependent on the pH of the substrate.

While most plants can grow within a relatively broad pH range, most plants exhibit a relatively narrow pH optimum. It is therefore important that a composition suitable as a soil substrate has a pH that is optimal for the plants that are intended to be grown in said composition.

In a preferred embodiment, the composition has a pH of 4.5-7.8, more preferably a pH of 5.1-7.3, even more preferably 5.6-7.3, even more preferably a pH of 6.1-7.3, and most preferably a pH of 6.6-7.3, such as 6.7, 6.8, 6.9, 7.0, 7.1 and 7.2.

All methods for determining the pH known by a person skilled in the art are suitable for determining the pH. Preferably, the pH of a soil substrate or a composition suitable for this purpose is determined by taking and wetting a sample of the soil substrate or composition concerned and electronically measuring the pH with a pH meter.

In a second aspect, the invention provides a method for producing a composition according to the invention, the method comprising (i) mixing one or more lava stones, baked clay granules, topsoil, peat soil and one or more soil improvers; and (ii) mixing seeds of one or more grass, grassy and / or leguminous plants under the obtained mixture, in order to obtain a composition according to the present invention.

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Such a method has the advantage that a mixing egg comprising one or more lava stones, baked clay granules, topsoil, peat soil and one or more soil improvers can be produced in the same volume. After subdividing the volume, parts of the oak volume can be mixed with the desired seeds of one or more grass, grass and / or leguminous plants. In this way, it is not necessary to go through the entire process separately for each composition, and several different compositions can be produced in a more efficient process.

Furthermore, such a method has the advantage that the seeds can only be added when the composition is used, so that the germination of the seeds in the composition can be guaranteed. In a preferred embodiment, the mixing of the seeds of one or more grass, grassy and / or leguminous plants takes place under the mixing egg of one or more lava stones, baked clay granules, topsoil, one or more soil improvers and peat soil occurs at the earliest within a time frame of 72 hours, more preferably 48 hours, even more preferably 24 hours, even more preferably 12 hours, even more preferably 6 hours, even more preferably 4 hours, even more preferably 2 hours, even more preferably 1 hour, and most preferably immediately before use of the composition.

The invention further describes a system comprising a first assembly and a second assembly, wherein the first assembly is an assembly according to the present invention.

It is known that only seeds of grass, grassy and leguminous plants located on the top 5 cm, and more particularly the top 1 cm of a soil substrate, give rise to healthy and viable seedlings. Seeds located deeper in the soil substrate may germinate but do not have access to sunlight, so such sprouted seeds may not fully develop and die. It is thus economically advantageous that only the top layer of a soil substrate comprises seeds. The present invention provides a solution by providing a system for providing a first assembly and a second assembly, with only the first assembly comprising seeds.

BE2017 / 5469

In one embodiment, the composition of the first composition and the second composition - with the exception of the seeds - is the same. The composition of the first composition and the second composition may be the same - with the exception of the seeds and the particle size of the clay granules and the one or more lava stones.

In another embodiment, the composition of the first composition and the second composition are different. For example, it may be desirable for the second composition to include one or more lava rocks and / or baked clay granules which have a substantially larger particle size than the lava rocks and / or clay beads in the first composition. A system according to the invention also makes it possible to provide a second composition with specific properties, which can contribute to an optimization of the first composition. The second composition can be such that, compared to the first composition, it can provide an improved drainage capacity, an increased or decreased water holding capacity, an increased or decreased nutrient concentration, an increased or decreased air permeability, etc., in order to functionally support and optimize the first composition.

In a preferred embodiment, a system according to the invention comprises a first composition and a second composition, the second composition comprising one or more lava stones, baked clay granules, topsoil and one or more soil improvers, the particle size of the one or more lava stones and the baked clay granules is larger than the particle size of the one or more lava rocks and the baked clay granules in the first composition.

The advantage of such a system is that the second composition can be provided as a solid foundation for the first composition. For example, the larger particle size in the second composition permits, among other things, better drainage, and such composition includes larger gaps, making rooting easier. The second composition may also have a higher organic matter content than the first composition.

Preferably, the second composition in a system according to the present invention comprises 20-50% one or more lava rocks, 20-50% baked clay granules, 10-30% one or more soil conditioner and 5-15% topsoil.

BE2017 / 5469

More preferably, the second composition comprises one or more vegetable soil improvers.

In a preferred embodiment, a system according to the invention comprises a second composition in which the particle size of the one or more lava stones is 10-50 mm, more preferably 12-45 mm, even more preferably 14-40 mm, even more preferably 15- 35 mm, and most preferably 16-32 mm, and wherein the particle size of baked clay granules in the second composition is 10-50 mm, more preferably 12-45 mm, even more preferably 1442 mm, and most preferably Is 16-40 mm.

The inventors have found that a system with such a second composition can provide optimum stability and drainage, and adequately functionally supports the first composition of the system.

In a preferred embodiment, the second composition of a system according to the invention comprises baked clay granules and one or more lava stones with the same particle size.

In a further aspect, the invention comprises a use of a composition according to the invention for the construction of a vegetation soil.

The lava rocks and the baked clay granules in a composition according to the invention organize into a regular structure. The said structure is comparable to the structure of marbles in a jar, in which the hardened particles represent the marbles, and in which the spaces between neighboring hardened particles are occupied by the mixture of seeds, topsoil, peat soil and soil improvers.

The term "hardened particles" here refers to the one or more lava stones and the baked clay granules in a composition according to the invention.

In particular, a composition according to the invention is provided as a soil substrate for applying a vegetation soil in a layer with a thickness of 5-30 cm, more preferably 5-25 cm, and most preferably 5-20 cm.

Lava rocks and baked clay granules are difficult to compress. When the composition, after its provision as a soil substrate, is pressed, this will not compress the hardened particles themselves, but the

BE2017 / 5469 gaps - and the mixture of seeds, topsoil, peat soil and soil improvers in these gaps - are compressed. In this way it is obtained that the hardened particles in the composition come closer together and support each other. As a result, the hardened particles are more difficult to move relative to each other, and thus stability of the soil substrate is substantially increased.

In a special use, the layer of the composition according to the invention is pressed by means of a flattening roller. More particularly, the layer of the composition is pressed by means of a crushing roller which exerts a load of at least 150 kg / m ² , more preferably 200 kg / m ² , and most preferably at least 250 kg / m ² .

The size of the hardened particles has been chosen by the inventors so that the seeds in the mixture of topsoil, peat soil and soil improvers contained in the interstice of the compound have sufficient space to germinate in the interstices of the soil substrate, even after pressing the composition. Once sprouted, said constituents of the composition - peat soil, one or more lava stones, baked clay granules, one or more soil improvers and topsoil minerals, nutrients, nutrients etc provide sufficiently high bioavailable concentrations for the growth and development of the seedlings, while the structure defined by the hardened particles - one or more lava rocks and baked clay granules - provides substantial stability. More specifically, the structure defined by the hardened particles prevents that when there is passage on the bottom substrate - for example, by pedestrians, cars, cyclists, etc. - the bottom substrate is compressed under the weight of the passage, whereby the (germ) plants are not substantially damaged.

In this way, the present invention provides a composition suitable as a soil substrate, the composition being such that it can be used for the construction of a vegetation soil, and more particularly a mobile vegetation soil.

In a further embodiment of a use of the composition for the construction of a vegetation soil, one or more radio frequency identification (RFID) tags are provided in the vegetation soil. More preferably be

BE2017 / 5469

RFID tags are provided in the bottom substrate in such a way that they define a route or designation point.

This enables vehicles or passers-by who have an RFI D-tag reader to follow a specific route based on the RFID tags. This is advantageous, for example, when only a certain part of a vegetation floor is passable.

In a preferred embodiment of an assembly according to the invention, the assembly is used for the construction of a drivable vegetation floor at locations where passage should always be possible, for example passage of emergency vehicles. The construction of a vegetation floor by means of a composition according to the present invention allows (emergency) vehicles to drive over the vegetation floor, without them getting stuck or slipping, and without the vegetation being substantially damaged.

In another particular use of a composition according to the present invention, a composition according to the present invention is used for - at least partially - filling the joints between cobblestones.

The invention further provides a use of a system according to the present invention for the construction of a vegetation bed, such as a mobile vegetation bed.

As already described, a composition according to the invention comprises a high stability, which makes it suitable for use in the construction of a vegetation soil. Nevertheless, it is economically desirable to provide only seeds in the upper part of the soil substrate. The present invention provides for this by using a system comprising two compositions for creating a vegetation bed. Furthermore, the use of a system according to the present invention has the advantage that a combination of two or more compositions gives rise to a better soil substrate than if only one of the two or more compositions were provided as a soil substrate.

In particular, a use according to the invention comprises providing a layer of the first assembly of the system on top of a layer of the second assembly of the system, for creating a vegetation bottom. Preferably only the top layer of the vegetation bottom comprises seeds of

BE2017 / 5469 grass, grass-like and / or leguminous plants. The second composition of the system is preferably composed such that a layer thereof optimally supports the layer of the first composition both functionally and structurally. For example, it is preferred that the layer of the second composition provides optimal drainage capacity and high stability.

More particularly, the first composition of the system is provided in a layer with a thickness of 5-30 cm, more preferably 5-25 cm and most preferably 5-20 cm. The layer of the second composition of the system may possibly comprise a thickness of 5-50 cm, more preferably 5-45 cm, even more preferably 5-40 cm, even more preferably 5-35 cm, even more preferably 5 -30 cm, and most preferably 10-30 cm.

In a special use of the invention, after providing the layers of the first and the second composition, the vegetation bottom is pressed. More particularly, the layers of the first and the second composition are pressed on by means of a flattening roller. Even more particularly, the vegetation soil is pressed by means of a crushing roller which exerts a load of at least 150 kg / m ² , more preferably at least 200 kg / m ² , and most preferably at least 250 kg / m ² .

In a more particular use of the invention, the layer of the second composition is pressed before providing the layer of the first composition. Even more particularly, the layer of the second composition is provided in intermediate layers of 5-20 cm, each intermediate layer being pressed before providing another intermediate layer. In this way it is ensured that the spaces between the hardened particles are compressed as much as possible. This has the advantage that the stability of the compositions, and thus of the vegetation bottom, is optimal, and that the paved particles cannot still move substantially relative to each other, for instance when pedestrians, cyclists, cars, etc. pass over the vegetation floor concerned.

Even more particularly, one or more identification technologies are implemented in a vegetation bed according to the present invention. Markers are preferably provided in a vegetation soil, which can be detected simply and without damaging the vegetation soil. In this way, for example, a drivable vegetation floor can be distinguished

BE2017 / 5469 of an impassable vegetation floor. Preferably, relevant markers when provided in the vegetation bed are not visible to the naked eye.

Markers for that purpose may be selected from the group consisting of: RFID tags, metal tags, magnetic tags, capacitive proximity switches and combinations thereof.

In a preferred embodiment, one or more radio frequency identification (RFID) tags are provided in the vegetation bed, preferably in the layer of the first assembly of the system provided on top of the layer of the second assembly of the system. This makes it possible to detect certain patterns in a vegetation bed by means of a device that allows to detect the RFID tags.

In a special use of a system according to the invention, the system is used for providing a braking vegetation floor, for instance as a braking safety strip next to a motorway. More specifically, a system according to the invention can be provided next to a motorway. When a vehicle - such as cars, trucks, etc. - ends up next to the roadway, and ends up on such a braking safety strip, said vehicle automatically decreases in speed due to the particle character of the composition that forms the safety strip. This has the advantage that safety is increased substantially, while additional vegetation is provided along motorways. The latter has a strong preference with regard to the aesthetic aspect.

Such a safety strip is preferably provided at the level of the breakdown strip of a motorway.

It is preferred in a particular use of a system according to the invention for providing an inhibiting vegetation bottom, that the one or more lava rocks and the baked clay granules in the first composition and / or the second composition comprise rounded particles.

The invention will now be further elucidated by means of the following example, without, however, being limited thereto.

EXAMPLES

EXAMPLE 1:

BE2017 / 5469

This example concerns a composition suitable as soil substrate, which comprises per total mass of dry matter

lava stones (± 8-12 mm) 33 .4 m% baked clay granules (± 8-12 mm) 36 .8 m% peat soil 9 .6 m% loamy topsoil 11 .2 m% compost 9 .0 m%

Seeds (15% Festuca arundinacaea, 15% Festuca rubra,

55% Lolium perenne, 15% Poa pratensis)

Such a composition exhibits the following properties pH 7.1 density 1242 kg / m ³ electrical conductivity 442 pS / cm organic matter content 2.4 m% dry matter content 81.6 m%

EXAMPLE 2: METHOD

Process for producing the composition of Example 1. The composition is prepared by mixing all ingredients, the seeds of one or more grass, grassy and / or leguminous plants being added last.

EXAMPLE 3: SYSTEM

A system comprising two assemblies. The first composition comprises the composition from example 1. The second composition comprises lava rocks (± 24-28 mm) baked clay granules (± 28-32 mm) topsoil compost per total mass of dry matter

EXAMPLE 4: CONSTRUCTION OF DRIVE VEGETATION BOTTOM

36.5 m% 35.2 m%

8.6 m% 19.7 m%

The system from example 3 is used for the construction of a rideable vegetation floor. The second composition is provided in a layer with a thickness

BE2017 / 5469 of 40 cm and above, a layer of the first composition in a layer with a thickness of 5 cm.

The subsurface on which the mobile vegetation floor is to be provided is excavated to a depth of 50 cm. On the bottom wall of the excavated volume, a first intermediate layer of the second composition is provided with a layer thickness of 20 cm. The said intermediate layer is pressed with a manual crushing roller which exerts a load of 250 kg / m ² . On top of the first pressed intermediate layer of the second composition, a second intermediate layer is applied in a thickness of 20 cm. The second intermediate layer is pressed with a crushing roller that exerts a load of 250 kg / m ² . After this, the layer of the first composition is provided on top of the second intermediate layer of the second composition, and it is pressed by means of a crushing roller which exerts a load of 250 kg / m ² .

EXAMPLE 5: DRIVABLE VEGATATORY BOTTOM WITH RFID TAGS

The system from example 3 is used for the construction of a mobile vegetation floor in a grass meadow, for example a festival meadow. The part of the grass meadow where the rideable vegetation floor is to be laid is excavated to a depth of 50 cm. The second composition of the system is provided on the bottom surface of the excavated volume, and this in a layer of 40 cm thick and on top, a layer of the first composition with a layer thickness of 5 cm.

For this, a first intermediate layer of the second composition of the system is provided with a layer thickness of 20 cm, on top of the bottom surface of the excavated volume. The said intermediate layer is pressed with a manual crushing roller which exerts a load of 250 kg / m ² . On top of the first pressed intermediate layer of the second system composition, a second intermediate layer of the second system composition is applied in a thickness of 20 cm. The second intermediate layer is pressed with a crushing roller that exerts a load of 250 kg / m ² . On top of the second intermediate layer of the second system composition, radio-frequency identification tags (RFID tags) are provided. Such RFID tags are provided every 2.5 meters along both sides of the excavated volume, thus defining a width of the drivable vegetative section. After the RFID tags have been applied, the first composition of the system is provided on top of the second intermediate layer

BE2017 / 5469 of the second composition of the system. The applied layer of the first composition is pressed with a crushing roller which exerts a load of 250 kg / m ² .

Eight weeks after the vegetation was laid, the seeds have sprouted and grown into grass plants. Visually, no difference is noticeable between the rideable vegetation floor and the non-drivable vegetation floor in the grassy area.

EXAMPLE 6a: VEHICLE VEGETATION GROUND AS A SAFE LI GHEI STRIP

A motorized vegetation floor is constructed next to a car lane. The drivable vegetation bed is laid as in Example 5, with the difference that (i) the lava rocks in the first composition of the system comprise rounded lava rocks with a particle size of 18-20 mm, (ii) that the baked clay granules in the first composition of the system must have rounded clay particles with a particle size of 18-20 mm, (iii) that after application of the layer of the first composition of the system, the vegetation soil is not pressed.

When a wagon, and more specifically, a truck lands next to the roadway - on the rideable vegetation floor, the car sinks somewhat into the top layer of the vegetation floor. This has a slowing effect on the car, which reduces its speed and can cause less damage. In addition, the sinking of the car into the vegetation floor reduces the risk of a truck overturning.

EXAMPLE 6b: ANTI-BRAKING VEGETATION BOTTOM AS A VEI LI GHEI STRIP

If a strongly inhibiting vegetation soil is to be provided, then a vegetation soil as in example 5 or 6a can be provided, whereby the composition is supplemented and mixed with mesh gravel and / or expanded clay granules. Vehicles sink deeper into such vegetation so that they slow down and come to a halt. Expanded clay granules also cause the tires of a vehicle to tear, making it come to a standstill even faster.

EXAMPLE 7: ALTERNATIVE COMPOSITION

This example concerns a composition suitable as soil substrate, which comprises per total mass of dry matter

BE2017 / 5469 lava rocks (± 4-7 mm) baked clay granules (± 4-7 mm) peat soil loamy soil compost

Seeds (80% Poa pratensis, 20% Trifoliumalkingse)

Such a composition exhibits the following properties pH density electrical conductivity organic matter content dry matter content

EXAMPLE 8: ALTERNATIVE COMPOSITION

This example concerns a composition suitable as a soil substrate. Total dry matter mass comprises lava rocks (± 4-7 mm) baked clay granules (± 6-10 mm) peat soil loamy soil compost

Seeds (100% Trifoliumalkingse)

Such a composition exhibits the following properties pH density electrical conductivity organic matter content dry matter content

EXAMPLE 9: ALTERNATIVE SYSTEM

31.9 m% 36.2 m%

12.0 m%

10.1 m%

9.8 m%

2.8 m% o

6.5

1258 kg / m ³

421 pS / cm 4.6 m%

79.3 m% which per

37.8 m%

33.1 m%

8.5 m%

9.6 m%

11.0 m%

3.2 m% o

6.2

1238 kg / m ³

431 pS / cm 6.1 m%

77.6 m%

This example concerns an alternative system comprising two compositions, the first composition being the composition of Examples 1, 7 or 8, and

BE2017 / 5469 where the second composition comprises, expressed as a percentage by mass relative to the total dry matter mass of the composition:

lava rocks (± 16-20 mm) baked clay granules (± 32-36 mm) topsoil compost

37.5 m%

36.4 m%

10.9 m%

15.2 m%

DETAILED FI GUURB DESCRIPTION JVI NG

It is believed that the present invention is not limited to the embodiments described below and that modifications or changes to the described embodiments can be added without revaluating the appended claims.

Figures 1 and 2 illustrate cross sections of vegetation soils 7, constructed by means of an embodiment of a system 1 according to the present invention. Concerning Systems 1 comprise a first composition 2 and a second composition 3. The first composition 2 is a composition according to the present invention comprising one or more lava stones 4, baked clay granules 5, seeds of one or more grass, grassy and / or leguminous plants 6 , peat soil, topsoil and one or more soil improvers. The lava rocks 4 and the baked clay granules 5 in the first composition 2 have a certain particle size d1. The particle size of the lava rocks 4 may differ from the particle size of the baked clay granules 5.

The second composition 3 comprises lava rocks 4 and baked clay granules 5 which have a certain particle size d2. The particle size of the lava rocks 4 may differ from the particle size of the baked clay granules 5.

The particle size d2 is larger than the particle size d1.

The first 2 and / or second 3 compositions may comprise hardened particles 4,5 of arbitrary shape in which the length, width and / or height differ substantially. It is preferred that the hardened particles 4,5 have a similar length, width and height. It is even more preferred that the hardened particles 4,5 are essentially spherical.

BE2017 / 5469

As shown in Figure 1 and Figure 2, both the first 2 and the second 3 assemblies are pressed so that the lava rocks 4 and the baked clay granules 5 contact and support each other. This has the advantage that the vegetation soil 7 is compressed little to no, when passing over the vegetation soil 7 concerned, as a result of which the root system of the plants 6 is not clamped between neighboring hardened particles 4,5 and are damaged. This also has the advantage that the interspaces 8 between adjacent, adjacent paved particles 4,5 take up a minimum volume, so that substantially less peat soil, topsoil and / or soil improvers have to be added. This results in a more stable and optimally draining vegetation bottom 7 and makes that a system 1 according to the present invention can be produced relatively cheaply and sustainably.

In the embodiment shown in Figure 1, both the first 2 and the second 3 compositions comprise rounded lava rocks 4 and baked clay granules 5, while Figure 2 illustrates an embodiment wherein the first 2 and second 3 compositions comprise angular lava rocks 4 and angled baked clay granules 5. One of the two compositions may comprise 2,3 angular lava rocks 4 and / or angular baked clay granules 5, while the other composition comprises 2,3 previously rounded lava rocks 4 and / or baked clay granules 5.

The second composition 3 is provided with a layer of layer thickness h2 to support a layer of the first composition 2 with a layer thickness hi. Also, the larger particle size d2 of the lava rocks 4 and the clay granules 5 of the second composition 3 allows better drainage and aeration of the vegetation soil 7. Only seeds in the top layers h3 of a vegetation soil 7 germinate efficiently and give rise to viable plants

6. It is therefore desirable that only the first composition comprises 2 seeds of one or more grass, grassy and / or leguminous plants 6 in order to avoid seed wastage as much as possible.

Figure 3 shows a schematic cross-section of a vegetation floor 7 laid by means of a system 1 according to the present invention. More specifically, figure 3 shows a schematic representation of a vegetation soil 7, where, after provision of one or more layers of the first 2 and one or more layers of the second 3 compositions, the layers were not pressed by means of a (sufficiently high) load. In these embodiments, the paved

BE2017 / 5469 particles 4,5 completely surrounded by the "soft" mixture of peat soil, topsoil, seeds and soil improvers (first composition 2) or the soft mixture of topsoil and compost (second composition 3). As a result, the vegetation bottom 7 is still compressible and will be substantially compressed upon passage, whereby the root system of the plants 6 will be clamped between neighboring hardened particles 4,5 and the plant roots will be substantially damaged.

FI GUURREFERENTI ES

- System; 2 - Initial assembly of the system; 3 - Second composition 10 of the system; 4a, 4b - one or more lava rocks of the first (4a) or second (4b) composition of the system; 5a, 5b - baked clay granules from the first (5a) or second (5b) composition of the system; 6 - grassy, grassy and / or leguminous plants of a vegetation soil; 7 - vegetation soil;

8a, 8b - gaps in the first (8a) or second (8b) assembly of the system; d1 - mean particle size of hardened particles in initial assembly of the system; d2 - mean particle size of hardened particles in second assembly of the system; hi - layer thickness of first composition of the system in a vegetation soil; h2 - layer thickness of the second composition of the system in a vegetation soil; h3 - layer thickness of the germination zone of a vegetation bed

BE2017 / 5469

Claims (15)

CONCLUSI ES Composition according to any one of the preceding claims, characterized in that the seeds are selected from the group comprising Festuca rubra, Festuca arundinacaea, Lolium perenne, Poa pratensis, Lolium multiflorum, Phleum pratense, Poa trivialis, Festuca ovina, Festuca arundinacea, Agrostis tenuis, Festuca pratensis, Alopecurus pratensis, Elytrigia repens, Agrostis stolonfera, Poa annua, Achnaterum brachytrichum, Achnaterum calamagrostis, Agropyron magellanicum, Agropyron pubiflorum, Agrostis nebula, Brizozo brizo media, Arrhen media Carex morrowii, Carex pendula, Carex comans, Chasmanthium latifolium, Bouteloua gracilis, Cortaderia, Chrysopogon, Cyperus, Deschampia, Festuca glauca, Hakonechloa, Helectotrichon sempervirens, Hordeum jubatum, Imperata cylindrica, Koeleria, Lagurus ovatus, Leyurus ovatus , Melica altissima, Miscanthus floridulus, Miscanthus sinensis, Molinia ca erulea, Molina arundinacea, Panicum virgatum, Pennisetum alopecuroides, Phalaris arundinaceae, Poa cita, Scirpus Zebrinus, Sorghastrum nutans, Stipa arundinacea, Stipa calamagrostis, Stipa lasiogrostis, Lupinus species, Vicia sativa, Trifolium taliva, Trifolium of this. A composition suitable as a soil substrate comprising a mixture of seeds of one or more grass, grassy and / or leguminous plants, one or more lava stones, baked clay granules, topsoil, peat soil and one or more soil improvers, characterized in that the one or several lava rocks and the baked clay granules have a particle size of 3-20 mm. Composition according to claim 1, characterized in that the lava stones and the baked clay granules have the same particle size. Composition according to claim 1 or 2, characterized in that the one or more lava stones and the baked clay granules have a particle size of 8-16 mm. Composition according to any one of the preceding claims, characterized in that the composition concerned, expressed as a mass percentage of the total mass of the composition, 20-50% one or more lava stones, 20-50% baked clay granules, 5-15% topsoil, 5 -15% peat soil and 5-30% soil conditioner included. 5 the system is provided in a thickness of 4-20 cm. Use according to any of claims 25-26, wherein the layer of the second composition of the system is provided in a thickness of 10-50 cm. Use according to any one of claims 24-27, wherein detectable markers are provided in the vegetation soil. Composition according to any one of the preceding claims, characterized in that the one or more lava stones are selected from the group consisting of pumice, basait, rhyolite, andesite, komatiite, dacite, trachyte, latite, tuff, ignimbrite, granofier, granite, granodiorite, diorite, dolerite, gabbro, peridotite and combinations thereof. Composition according to any one of the preceding claims, characterized in that the baked clay granules comprise one or more clay minerals selected from the group of perlite, vermiculite, attapulgite, bentonite, clinoptilolite, dicalite, kaolinite, berthierine, pyrophylite, talc, montmorillonite, saponite, illite, muscovite, biotite, sudoite, chamosite, sepiolite, palygorskite, rectorite, corrensite, chlorite, imogolite, allophane, mica, smectite, mordenite, analcime, sodalite, hallosite, stevensite, ontronite, beidellite, hectorite and combinations of these. Composition according to any one of the preceding claims, characterized in that the one or more soil improvers comprise vegetable material, animal material and / or inorganic material. Composition according to claim 7, characterized in that the composition as soil improver comprises manure selected from the group comprising horse manure, compost, humus, seaweed extracts, offal, blood meal, BE2017 / 5469 animal skin, hoof material, horn material, bone meal, fish meal, feather meal, green manure, crop residues, sludge, chicken manure, farmyard manure, peat, pig manure, cattle manure, slurry and combinations thereof. Composition according to any one of the preceding claims, characterized in that the topsoil comprises loamy topsoil. 29. Use according to claim 28, wherein the detectable markers are selected from the group comprising RFID tags, metal tags, magnetic tags, capacitive proximity switches and combinations thereof The use of claim 29, wherein the detectable markers comprise radio frequency identification (RFID) tags. Composition according to any one of the preceding claims, characterized in that the composition comprises 1-15% organic matter. Composition according to any one of the preceding claims, characterized in that the composition comprises a dry matter content of 50-90%. Composition according to any one of the preceding claims, characterized in that the composition has an electrical conductivity of 350-550 pS / cm. Composition according to any one of the preceding claims, characterized in that the composition has a pH of 4.5-7.8. A method of producing a composition according to any one of claims 1 to 14, comprising a method BE2017 / 5469 - mixing one or more lava stones, baked clay granules, topsoil, peat soil and one or more soil improvers; and - mixing seeds of one or more grass, grassy and / or leguminous plants under the obtained mixture, in order to obtain a composition according to any one of claims 1-14. A method according to claim 15, wherein the mixing of the seeds of one or more grass, grassy and / or leguminous plants occurs at the earliest within a period of 72 hours before use of the composition. A system comprising a first assembly and a second assembly, wherein the first assembly is an assembly according to any one of claims 1 to 14. System according to claim 17, wherein the second composition of the system comprises one or more lava stones, baked clay granules, topsoil and one or more soil improvers, wherein the particle size of the one or more lava stones and the baked clay granules is larger than the particle size of the one or more lava rocks and the baked clay granules in the first composition of the system. The system of claim 18, wherein the particle size of the one or more lava rocks in the second assembly of the system is 16-32 mm, and the particle size of baked clay granules in the second assembly of the system is 20-40 mm. 20. A use of a composition according to any one of claims 1-14 for the construction of a vegetation soil. Use according to claim 20, wherein detectable markers are provided in the vegetation bed. The use of claim 21, wherein the detectable markers are selected from the group consisting of RFID tags, metal tags, magnetic tags, capacitive proximity switches and combinations thereof. The use of claim 22, wherein the detectable markers comprise radio frequency identification (RFID) tags. A use of a system according to claims 17-19 for the construction of a vegetation bed, such as a drivable vegetation bed. BE2017 / 5469 Use according to claim 24, wherein a layer of the first composition of the system is provided on top of a layer of the second composition of the system. The use of claim 25, wherein the layer of the first composition is of 31. Use according to any one of claims 24-30, wherein the vegetation floor comprises a braking vegetation floor, for instance as a safety strip next to a motorway. BE2017 / 5469 8b BE2017 / 5469 8b BE2017 / 5469 4b, 5b BE2017 / 5469 COMPOSITION SUITABLE AS SOIL SUBSTRATE AND USE OF SUCH COMPOSITION