CN112219676A - Landscape nursery stock biomass nutrient soil and preparation method thereof - Google Patents

Landscape nursery stock biomass nutrient soil and preparation method thereof Download PDF

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CN112219676A
CN112219676A CN202010979342.8A CN202010979342A CN112219676A CN 112219676 A CN112219676 A CN 112219676A CN 202010979342 A CN202010979342 A CN 202010979342A CN 112219676 A CN112219676 A CN 112219676A
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medium
powder
nursery stock
soil
water
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CN112219676B (en
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马丽
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Anhui Linhai Landscaping Co ltd
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Anhui Linhai Landscaping Co ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
    • A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
    • A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
    • A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
    • A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
    • A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
    • A01G24/23—Wood, e.g. wood chips or sawdust
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
    • A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
    • A01G24/25—Dry fruit hulls or husks, e.g. chaff or coir
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
    • A01G24/35—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds containing water-absorbing polymers
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00—Other inorganic fertilisers
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80—Soil conditioners
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Abstract

The landscape nursery stock biomass nutrient soil comprises the following components in parts by weight: 50-60 parts of garden soil, 20-30 parts of organic nutrient medium, 6-8 parts of porous non-metallic mineral powder medium and 1-2 parts of water-retaining medium; a preparation method of landscape nursery stock biomass nutrient soil comprises the following steps of S1, preparing an organic nutrient medium; s2, preparing a porous non-metal mineral powder medium; s3, preparing a water-retaining medium; s4, preparing the garden soil particles; s5, preparing a finished product of the biomass nutrient soil. According to the invention, the organic nutrient medium is powdered and is matched with the straw-decomposing microbial inoculum to decompose and ferment, so that the biomass fertilizer beneficial to the absorption of the nursery stock is generated in a short time, and the organic nutrient components which are not absorbed by the nursery stock root system in the biomass fertilizer are temporarily stored by utilizing the good adsorption capacity of the porous nonmetal mineral powder medium, so that the nutrient substances are prevented from being quickly lost along with the water and soil, and the nutrient substance absorption is continuously provided for the nursery stock root system.

Description

Landscape nursery stock biomass nutrient soil and preparation method thereof
Technical Field
The invention belongs to the technical field of seedling cultivation, and particularly relates to landscape seedling biomass nutrient soil and a preparation method thereof.
Background
The nutrient soil is bed soil which is specially prepared for satisfying the growth and development of landscape nursery stocks, contains various mineral nutrients, is loose and ventilated, has strong water and fertilizer retention capacity and does not have diseases and insect pests. The biomass nutrient soil for the common landscape nursery stock is prepared by mixing fertile garden soil and biomass decomposed animal manure, and also comprises nutrient soil selected from imported high-quality pine needles and peat which are mixed according to a specific proportion.
In the prior art, the nutrient content in the biomass nutrient soil is only increased by paying attention to increase, but with the increase of planting time, the nutrient in the biomass nutrient soil is lost too fast along with water and soil, fertilizers and the like need to be added continuously in the later period, the planting cost is high, and the operation is troublesome.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides landscape nursery stock biomass nutrient soil and a preparation method thereof, and the specific technical scheme is as follows:
the landscape nursery stock biomass nutrient soil comprises the following components in parts by weight: 50-60 parts of garden soil, 20-30 parts of organic nutrient medium, 6-8 parts of porous non-metallic mineral powder medium and 1-2 parts of water-retaining medium.
Further, the organic nutrient medium is prepared from coconut bran powder, crushed wood dust powder and straw powder according to the weight ratio of 5: 3: 1, in terms of mass ratio.
Further, the porous non-metal mineral powder medium is prepared from diatomite powder, bentonite powder and vermiculite powder according to the weight ratio of 5: 2: 1, in terms of mass ratio.
Further, the water-retaining medium is prepared from water-absorbent resin particles and sand in a ratio of 1: 3 in mass ratio.
Further, the wood chip powder is prepared by naturally airing and crushing landscape nursery stock branches which are trimmed in a garden.
Furthermore, the mesh number of the diatomite powder, the bentonite powder and the vermiculite powder is 3000 meshes.
Further, the water-absorbent resin is one or two of a starch graft acrylate polymerization cross-linked product and an acrylamide-acrylate copolymerization cross-linked product.
A preparation method of landscape nursery stock biomass nutrient soil comprises the following steps:
s1 preparation of organic nutrient medium
S1.1, putting the prepared coconut husk powder, the crushed sawdust powder and the straw powder into a stirrer according to the mass ratio, and fully mixing for 20-30 minutes to obtain a mixed organic nutrient medium A;
s1.2, conveying the mixed organic nutrient medium A obtained in the S1.1 to a belt type microwave drying sterilizer for low-temperature drying sterilization, controlling the temperature at 70-100 ℃, the time at 60-120 minutes and the water content at 5-10%, so as to obtain a dried and sterilized organic nutrient medium B;
s1.3, uniformly paving the dried and sterilized organic nutrient medium B obtained in the S1.2 on the ground to form a stack layer with the width of about 2m, the height of about 15cm and the length of about 3m, then weighing a proper amount of straw rotten microbial inoculum mixed with water, uniformly spraying or splashing the straw rotten microbial inoculum on the stack layer, and then covering a plastic cloth on the stack layer for fermentation for 72-120 hours to obtain a fermented organic nutrient medium C;
s2 preparation of porous non-metal mineral powder medium
Placing the prepared diatomite powder, bentonite powder and vermiculite powder into a stirrer according to the mass ratio, and fully mixing for 30-60 minutes to obtain a porous non-metal mineral powder medium;
s3 preparation of Water-retaining Medium
Putting the prepared water-absorbent resin particles and sand into a stirrer according to the mass ratio, and fully mixing for 15-30 minutes to obtain a water-retaining medium;
s4 preparation of granular material for field and garden soil
Naturally airing prepared garden soil, and crushing the garden soil into 1-3 cm by a crusher to obtain garden soil particles;
s5, preparing the finished product of the biomass nutrient soil
And (3) putting the organic nutrient medium C obtained in the step S1.3, the porous nonmetal mineral powder medium obtained in the step S2, the water retention medium obtained in the step S3 and the garden soil particles obtained in the step S4 into a stirrer according to the weight parts, and fully mixing for 30-60 minutes to obtain a biomass nutrient soil finished product.
Furthermore, the water content of the garden soil is controlled to be 3-5%.
Further, the straw-decomposing inoculant consists of thermophilic and heat-resistant bacteria, fungi and actinomycetes which can decompose cellulose, hemicellulose and lignin.
The invention has the beneficial effects that:
according to the invention, the organic nutrient medium is powdered and is matched with the straw-decomposing microbial inoculum to decompose and ferment, so that the biomass fertilizer beneficial to the absorption of the nursery stock is generated in a short time, and the organic nutrient components which are not absorbed by the nursery stock root system in the biomass fertilizer are temporarily stored by utilizing the good adsorption capacity of the porous nonmetal mineral powder medium, so that the nutrient substances are prevented from being quickly lost along with the water and soil, and the nutrient substance absorption is continuously provided for the nursery stock root system.
Drawings
FIG. 1 shows a flow line frame diagram of the preparation method of landscape nursery stock biomass nutrient soil.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the application provides the landscape nursery stock biomass nutrient soil and the preparation method thereof, so that the problem that nutrient substances in the biomass nutrient soil are too fast to flow along with water and soil in the prior art is solved, the effect that fertilizers are not needed to be added for a long time in one-time planting is achieved, and the planting cost is reduced.
In order to solve the above problems, the technical solution in the embodiment of the present application has the following general idea:
the organic nutrient medium is powdered and is matched with the straw decomposing microbial inoculum to decompose and ferment the organic nutrient medium, so that the biomass fertilizer beneficial to the absorption of the nursery stock is generated in a short time, and the organic nutrient components which are not absorbed by the nursery stock root system in the biomass fertilizer are temporarily stored by utilizing the good adsorption capacity of the porous nonmetal mineral powder medium, so that the nutrient substance is prevented from being too fast lost along with the water and soil, and the nutrient substance absorption is continuously provided for the nursery stock root system.
The porous structure of the porous non-metal mineral powder and the particle gaps among the mineral powder can also loosen the soil, increase the air permeability of the soil and keep the oxygen content of the soil.
By controlling the mesh number of the porous non-metal ore powder to be 3000 meshes, the finer the granularity is, the larger the specific surface area of the ore powder is, and the stronger the adsorption capacity is.
The water-retaining medium can store water, the water-absorbent resin in the water-retaining medium can absorb water and swell to form hydrogel to store a large amount of rainwater, so that water absorption is slowly and continuously provided for seedling root systems when the temperature rises, and the sand in the water-retaining medium can reduce the influence of the water-absorbent resin on the air permeability of the soil after water absorption and swelling.
The crushed wood dust is prepared by naturally airing and crushing landscape nursery stock branches trimmed by gardening, and because the branches of the nursery stock are the branches of the nursery stock, nutrient elements provided by the crushed wood dust are all necessary components for nursery stock growth.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example one
The landscape nursery stock biomass nutrient soil comprises the following components in parts by weight: 50 parts of garden soil, 20 parts of organic nutrient medium, 6 parts of porous non-metal mineral powder medium and 1 part of water-retaining medium.
The organic nutrient medium is prepared from coconut bran powder, crushed wood dust powder and straw powder according to the weight ratio of 5: 3: 1, in terms of mass ratio.
The porous non-metal mineral powder medium is prepared from diatomite powder, bentonite powder and vermiculite powder according to the weight ratio of 5: 2: 1, in terms of mass ratio.
The water retention medium is prepared from water-absorbent resin particles and sand according to the weight ratio of 1: 3 in mass ratio.
The sawdust powder is prepared by naturally drying and crushing landscape nursery stock branches which are trimmed in a garden.
The mesh number of the diatomite powder, the bentonite powder and the vermiculite powder is 3000 meshes.
The water-absorbing resin is a starch grafted acrylate polymerization cross-linked product.
A preparation method of landscape nursery stock biomass nutrient soil comprises the following steps:
s1 preparation of organic nutrient medium
S1.1, putting the prepared coconut husk powder, the crushed sawdust powder and the straw powder into a stirrer according to the mass ratio, and fully mixing for 20 minutes to obtain a mixed organic nutrient medium A;
s1.2, conveying the mixed organic nutrient medium A obtained in the S1.1 to a belt type microwave drying sterilizer for low-temperature drying sterilization, controlling the temperature at 70 ℃, the time at 60 minutes and the water content at 5 percent, thereby obtaining a dried and sterilized organic nutrient medium B;
s1.3, uniformly paving the dried and sterilized organic nutrient medium B obtained in the S1.2 on the ground to form a stack layer with the width of about 2m, the height of about 15cm and the length of about 3m, then weighing a proper amount of straw rotten microbial inoculum mixed with water, uniformly spraying or splashing the straw rotten microbial inoculum on the stack layer, and then covering a plastic cloth on the stack layer for fermentation for 72 hours to obtain a fermented organic nutrient medium C;
s2 preparation of porous non-metal mineral powder medium
Placing the prepared diatomite powder, bentonite powder and vermiculite powder into a stirrer according to the mass ratio for fully mixing for 30 minutes to obtain a porous nonmetal mineral powder medium;
s3 preparation of Water-retaining Medium
Putting the prepared water-absorbent resin particles and sand into a stirrer according to the mass ratio, and fully mixing for 15 minutes to obtain a water-retaining medium;
s4 preparation of granular material for field and garden soil
Naturally airing prepared garden soil, and crushing the garden soil into 1 cm by a crusher to obtain garden soil particles;
s5, preparing the finished product of the biomass nutrient soil
And (3) putting the organic nutrient medium C obtained in the step S1.3, the porous nonmetal mineral powder medium obtained in the step S2, the water-retaining medium obtained in the step S3 and the garden soil particles obtained in the step S4 into a stirrer according to the weight parts, and fully mixing for 30 minutes to obtain a biomass nutrient soil finished product.
The water content of the garden soil is controlled to be 3 percent.
The straw decomposing inoculant consists of thermophilic and heat-resistant bacteria, fungi and actinomycetes which can decompose cellulose, hemicellulose and lignin.
Example two
The landscape nursery stock biomass nutrient soil comprises the following components in parts by weight: 55 parts of garden soil, 25 parts of organic nutrient medium, 7 parts of porous non-metallic mineral powder medium and 1.5 parts of water-retaining medium.
The organic nutrient medium is prepared from coconut bran powder, crushed wood dust powder and straw powder according to the weight ratio of 5: 3: 1, in terms of mass ratio.
The porous non-metal mineral powder medium is prepared from diatomite powder, bentonite powder and vermiculite powder according to the weight ratio of 5: 2: 1, in terms of mass ratio.
The water retention medium is prepared from water-absorbent resin particles and sand according to the weight ratio of 1: 3 in mass ratio.
The sawdust powder is prepared by naturally drying and crushing landscape nursery stock branches which are trimmed in a garden.
The mesh number of the diatomite powder, the bentonite powder and the vermiculite powder is 3000 meshes.
The water-absorbent resin is an acrylamide-acrylate copolymerization crosslinking product.
A preparation method of landscape nursery stock biomass nutrient soil comprises the following steps:
s1 preparation of organic nutrient medium
S1.1, putting the prepared coconut husk powder, the crushed sawdust powder and the straw powder into a stirrer according to the mass ratio, and fully mixing for 25 minutes to obtain a mixed organic nutrient medium A;
s1.2, conveying the mixed organic nutrient medium A obtained in the S1.1 to a belt type microwave drying sterilizer for low-temperature drying sterilization, controlling the temperature at 85 ℃, the time at 90 minutes and the water content at 7.5 percent, thereby obtaining a dried and sterilized organic nutrient medium B;
s1.3, uniformly paving the dried and sterilized organic nutrient medium B obtained in the S1.2 on the ground to form a stack layer with the width of about 2m, the height of about 15cm and the length of about 3m, then weighing a proper amount of straw rotten microbial inoculum mixed with water, uniformly spraying or splashing the straw rotten microbial inoculum on the stack layer, and then covering a plastic cloth on the stack layer for fermentation for 96 hours to obtain a fermented organic nutrient medium C;
s2 preparation of porous non-metal mineral powder medium
Placing the prepared diatomite powder, bentonite powder and vermiculite powder into a stirrer according to the mass ratio for fully mixing for 45 minutes to obtain a porous nonmetal mineral powder medium;
s3 preparation of Water-retaining Medium
Putting the prepared water-absorbent resin particles and sand into a stirrer according to the mass ratio, and fully mixing for 22.5 minutes to obtain a water-retaining medium;
s4 preparation of granular material for field and garden soil
Naturally airing prepared garden soil, and crushing the garden soil into 2 cm by a crusher to obtain garden soil particles;
s5, preparing the finished product of the biomass nutrient soil
And (3) putting the organic nutrient medium C obtained in the step S1.3, the porous nonmetal mineral powder medium obtained in the step S2, the water-retaining medium obtained in the step S3 and the garden soil particles obtained in the step S4 into a stirrer according to the weight parts, and fully mixing for 45 minutes to obtain a biomass nutrient soil finished product.
The water content of the garden soil is controlled to be 4 percent.
The straw decomposing inoculant consists of thermophilic and heat-resistant bacteria, fungi and actinomycetes which can decompose cellulose, hemicellulose and lignin.
EXAMPLE III
The landscape nursery stock biomass nutrient soil comprises the following components in parts by weight: 60 parts of garden soil, 30 parts of organic nutrient medium, 8 parts of porous non-metallic mineral powder medium and 2 parts of water-retaining medium.
The organic nutrient medium is prepared from coconut bran powder, crushed wood dust powder and straw powder according to the weight ratio of 5: 3: 1, in terms of mass ratio.
The porous non-metal mineral powder medium is prepared from diatomite powder, bentonite powder and vermiculite powder according to the weight ratio of 5: 2: 1, in terms of mass ratio.
The water retention medium is prepared from water-absorbent resin particles and sand according to the weight ratio of 1: 3 in mass ratio.
The sawdust powder is prepared by naturally drying and crushing landscape nursery stock branches which are trimmed in a garden.
The mesh number of the diatomite powder, the bentonite powder and the vermiculite powder is 3000 meshes.
The water-absorbing resin is composed of a starch grafted acrylate polymerization cross-linked substance and an acrylamide-acrylate copolymerization cross-linked substance.
A preparation method of landscape nursery stock biomass nutrient soil comprises the following steps:
s1 preparation of organic nutrient medium
S1.1, putting the prepared coconut husk powder, the crushed sawdust powder and the straw powder into a stirrer according to the mass ratio, and fully mixing for 30 minutes to obtain a mixed organic nutrient medium A;
s1.2, conveying the mixed organic nutrient medium A obtained in the S1.1 to a belt type microwave drying sterilizer for low-temperature drying sterilization, controlling the temperature at 100 ℃, the time at 120 minutes and the water content at 10 percent, thereby obtaining a dried and sterilized organic nutrient medium B;
s1.3, uniformly paving the dried and sterilized organic nutrient medium B obtained in the S1.2 on the ground to form a stack layer with the width of about 2m, the height of about 15cm and the length of about 3m, then weighing a proper amount of straw rotten microbial inoculum mixed with water, uniformly spraying or splashing the straw rotten microbial inoculum on the stack layer, and then covering a plastic cloth on the stack layer for fermentation for 120 hours to obtain a fermented organic nutrient medium C;
s2 preparation of porous non-metal mineral powder medium
Fully mixing the prepared diatomite powder, bentonite powder and vermiculite powder in a stirrer according to the mass ratio for 60 minutes to obtain a porous nonmetal mineral powder medium;
s3 preparation of Water-retaining Medium
Putting the prepared water-absorbent resin particles and sand into a stirrer according to the mass ratio, and fully mixing for 30 minutes to obtain a water-retaining medium;
s4 preparation of granular material for field and garden soil
Naturally airing prepared garden soil, and crushing the garden soil into 3 cm by a crusher to obtain garden soil particles;
s5, preparing the finished product of the biomass nutrient soil
And (3) putting the organic nutrient medium C obtained in the step S1.3, the porous nonmetal mineral powder medium obtained in the step S2, the water-retaining medium obtained in the step S3 and the garden soil particles obtained in the step S4 into a stirrer according to the weight parts, and fully mixing for 60 minutes to obtain a biomass nutrient soil finished product.
The water content of the garden soil is controlled to be 5 percent.
The straw decomposing inoculant consists of thermophilic and heat-resistant bacteria, fungi and actinomycetes which can decompose cellulose, hemicellulose and lignin.
Ammonia nitrogen volatilization release performance tests are carried out on the first to third embodiments, and the prior art is used as a comparative example for comparison, ammonia volatilization is one of the main ways of organic nitrogen fertilizer loss in soil, and reduction of ammonia volatilization has important significance for improving nitrogen fertilizer utilization rate and environmental protection; the test result data are shown in table 1 below.
TABLE 1 Ammonia nitrogen volatilization and release performance test results
Figure BDA0002686997900000081
As can be seen from Table 1, compared with the comparative examples in the prior art, the nitrogen release rate of the nutrient soil prepared in the first to third examples is reduced by about 35% on average after 30 days, and the ammonia volatilization amount is reduced by about 34% on average, which shows that the nutrient soil prepared by the invention has good adsorption effect, less loss of organic nutrient substances and can provide nutrients required by seedling growth for a long time.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The landscape nursery stock biomass nutrient soil is characterized by comprising the following components in parts by weight: 50-60 parts of garden soil, 20-30 parts of organic nutrient medium, 6-8 parts of porous non-metallic mineral powder medium and 1-2 parts of water-retaining medium.
2. The landscape nursery stock biomass nutrient soil according to claim 1, characterized in that: the organic nutrient medium is prepared from coconut bran powder, crushed wood dust powder and straw powder according to the weight ratio of 5: 3: 1, in terms of mass ratio.
3. The landscape nursery stock biomass nutrient soil according to claim 1, characterized in that: the porous non-metal mineral powder medium is prepared from diatomite powder, bentonite powder and vermiculite powder according to the weight ratio of 5: 2: 1, in terms of mass ratio.
4. The landscape nursery stock biomass nutrient soil according to claim 1, characterized in that: the water retention medium is prepared from water-absorbent resin particles and sand according to the weight ratio of 1: 3 in mass ratio.
5. The landscape nursery stock biomass nutrient soil according to claim 2, characterized in that: the sawdust powder is prepared by naturally drying and crushing landscape nursery stock branches which are trimmed in a garden.
6. The landscape nursery stock biomass nutrient soil according to claim 3, characterized in that: the mesh number of the diatomite powder, the bentonite powder and the vermiculite powder is 3000 meshes.
7. The landscape nursery stock biomass nutrient soil according to claim 4, characterized in that: the water-absorbing resin is one or two of a starch grafted acrylate polymerization cross-linked substance and an acrylamide-acrylate copolymerization cross-linked substance.
8. The preparation method of the landscape nursery stock biomass nutrient soil according to any one of claims 1 to 7, wherein the preparation method comprises the following steps:
s1 preparation of organic nutrient medium
S1.1, putting the prepared coconut husk powder, the crushed sawdust powder and the straw powder into a stirrer according to the mass ratio, and fully mixing for 20-30 minutes to obtain a mixed organic nutrient medium A;
s1.2, conveying the mixed organic nutrient medium A obtained in the S1.1 to a belt type microwave drying sterilizer for low-temperature drying sterilization, controlling the temperature at 70-100 ℃, the time at 60-120 minutes and the water content at 5-10%, so as to obtain a dried and sterilized organic nutrient medium B;
s1.3, uniformly paving the dried and sterilized organic nutrient medium B obtained in the S1.2 on the ground to form a stack layer with the width of about 2m, the height of about 15cm and the length of about 3m, then weighing a proper amount of straw rotten microbial inoculum mixed with water, uniformly spraying or splashing the straw rotten microbial inoculum on the stack layer, and then covering a plastic cloth on the stack layer for fermentation for 72-120 hours to obtain a fermented organic nutrient medium C;
s2 preparation of porous non-metal mineral powder medium
Placing the prepared diatomite powder, bentonite powder and vermiculite powder into a stirrer according to the mass ratio, and fully mixing for 30-60 minutes to obtain a porous non-metal mineral powder medium;
s3 preparation of Water-retaining Medium
Putting the prepared water-absorbent resin particles and sand into a stirrer according to the mass ratio, and fully mixing for 15-30 minutes to obtain a water-retaining medium;
s4 preparation of granular material for field and garden soil
Naturally airing prepared garden soil, and crushing the garden soil into 1-3 cm by a crusher to obtain garden soil particles;
s5, preparing the finished product of the biomass nutrient soil
And (3) putting the organic nutrient medium C obtained in the step S1.3, the porous nonmetal mineral powder medium obtained in the step S2, the water retention medium obtained in the step S3 and the garden soil particles obtained in the step S4 into a stirrer according to the weight parts, and fully mixing for 30-60 minutes to obtain a biomass nutrient soil finished product.
9. The preparation method of the landscape nursery stock biomass nutrient soil according to claim 8, characterized by comprising the following steps: the water content of the garden soil is controlled to be 3-5%.
10. The preparation method of the landscape nursery stock biomass nutrient soil according to claim 8, characterized by comprising the following steps: the straw decomposing inoculant consists of thermophilic and heat-resistant bacteria, fungi and actinomycetes which can decompose cellulose, hemicellulose and lignin.
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CN107417363A (en) * 2017-06-08 2017-12-01 合肥慧明瀚生态农业科技有限公司 A kind of flowers potting nutritional soil and preparation method thereof
CN108503418A (en) * 2017-02-28 2018-09-07 林敏� A kind of low cost high-calcium type mushroom cultivation substrate

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* Cited by examiner, † Cited by third party
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CN101647384A (en) * 2009-07-02 2010-02-17 淮阴工学院 Horticultural long-acting and slow-release straw nutritional soil as well as preparation method and using method of nutritional soil substrate
CN103563613A (en) * 2013-07-25 2014-02-12 王运海 Planting method of polygala tenuifolia
CN106258604A (en) * 2016-10-27 2017-01-04 六安市振清生态农业有限公司 Nutrition organic substrate is used in a kind of Rhododendron simsii Planch. plantation
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