CN101857499A - Controlled-release fertilizer dedicated to soilless culture of foliage plants - Google Patents
Controlled-release fertilizer dedicated to soilless culture of foliage plants Download PDFInfo
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- CN101857499A CN101857499A CN201010199572A CN201010199572A CN101857499A CN 101857499 A CN101857499 A CN 101857499A CN 201010199572 A CN201010199572 A CN 201010199572A CN 201010199572 A CN201010199572 A CN 201010199572A CN 101857499 A CN101857499 A CN 101857499A
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Abstract
The invention relates to a controlled-release fertilizer dedicated to the soilless culture of foliage plants. Recovered thermoplastic resin-coated controlled-release fertilizer and modified epoxy resin-coated controlled-release fertilizer with sprayed urea as base coating, which have different coating thicknesses, are utilized to cooperate with each other, so that the nutrient ratio and release rule of the controlled-release fertilizer are suitable for the growth of soilless-cultured foliage plants. The dedicated controlled-release fertilizer is applicable to the soilless culture of foliage plants, including substrate culture and hydroponic culture.
Description
Technical field
The present invention relates to a kind of sight leaf class flowers special-purpose control-release fertilizer, particularly a kind of sight leaf class flowers special-purpose control-release fertilizer that is applicable to soilless culture and preparation method thereof belongs to soilless culture release and release control fertilizer production technical field.
Background technology
Soilless culture of flowers have the edaphic condition of not being subjected to restriction, cultivation flexibly, characteristics such as sanitation and hygiene, flower characteristic are good, be subjected to grower's welcome deeply.What present soilless cultivating flowers in the world was maximum is Holland, and its soilless culture area accounts for more than 90% of whole flowers areas.China's soilless cultivation technique of the flowers that begins one's study from the eighties in last century enters the 21 century cultivation technique and reaches its maturity, and uses and also enters the fast-developing phase.
One of core technology of soilless culture of flowers is the preparation and the management of nutritive medium.The potential of hydrogen of nutritive medium influences the solubleness and the validity of iron, phosphorus, calcium, magnesium, copper, zinc.Absorption can make that the concentration of various nutrients changes in the nutritive medium to the nutrient ionic for the moisture evaporation of nutritive medium and flowers, needs often test and regulates.Nutritive medium answers low temperature, lucifuge to store, otherwise the moss that easily grows influences environment and nutritive medium effect.Technically, the science of nutritive medium preparation and management, large-scale modern flower planting enterprise can accomplish, but need the cost manpower and materials.But as the hobby person of growing flower of family, great majority can't be accomplished.
Particularly the releasing rule of non-water soluble material envelope controlled release fertilizer in water is highly stable for controlled release fertilizer.According to a kind of controlled release fertilizer of nutrition absorption characteristics design of seeing leaf class flowers, its nutrient proportioning and nutrient are discharged meet each growth period needs of flowers, only need in disposable adding cultivation matrix or the water, then can avoid loaded down with trivial details nutritive medium preparation and management work.Chinese invention patent CN100482622C (200810015170.1) and CN 100482616C (200810014466.1) provide Canna generalis Bailey special-purpose control-release fertilizer and preparation method thereof and special-purpose control-release fertilizer for foliage plant spathiphyllum respectively, these patents also belong to sees leaf class flowers special-purpose control-release fertilizer, but they are not suitable for as soilless culture, one of its reason is that nitrogen in this release and release control fertilizer is based on urea, in soil, be subjected to soil enzyme and action of microorganisms, urea can change into nitric nitrogen and ammonium nitrogen and absorb for flowers, and this function is very weak even do not have in water.Secondly, contain the part readily avaiable fertilizer in the fertilizer, disposable applying in cultivation matrix or the water can make in the solution nutrient density excessive, influences flower growth.Moreover the proportioning of each nutrient has been considered the loss of different elements in soil, factor such as fixing, so the also inapplicable soilless culture of the proportioning of each nutrient in the fertilizer simultaneously not only according to the absorption of flowers itself in the above-mentioned fertilizer.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of controlled release fertilizer special for soilless culture of seeing leaf class flowers and preparation method thereof that is suitable for.Special-purpose control-release fertilizer of the present invention is to utilize the recovery thermoplastic resin membrane wrapping control-releasing fertilizer of different membrane wrapping thicknesses and the modified epoxy resin integument release and release control fertilizer that is undercoat to cooperatively interact with spraying urea, makes its nutrient proportioning and releasing rule be suitable for the growth that leaf class flowers are seen in soilless culture.
The term explanation:
Soilless culture of the present invention comprises substrate culture and nutrient fluid cultivation.
Reclaiming thermoplastic resin membrane wrapping control-releasing fertilizer, is that spraying accounts for a kind of controlled release fertilizer that the recovery waste thermoplastic resin coating agent of examining fertilizer quality 5-10% makes a kind of core fertilizer outside.Referring to CN 1257136C (200410035783.3) " is the production method of the film-coated controlled release fertilizer of degradable membrane to reclaim thermoplastic resin ".
Urea undercoat modified epoxy resin integument controlled release fertilizer is to spray inner cladding urea outside a kind of core fertilizer earlier, and inner cladding urea accounts for the 4-6% of nuclear fertilizer quality, sprays a kind of controlled release fertilizer that the agent of surrounding layer modified epoxy resin integument makes again.Referring to CN1246264C (200410024049.7) " is the modified epoxy resin integument release and release control fertilizer of undercoat with spraying urea ".
Technical scheme of the present invention is as follows:
Controlled-release fertilizer dedicated to soilless culture of foliage plants, it is as follows that raw material is formed mass parts:
9% reclaims 40～60 parts in thermoplastic resin membrane wrapping ammonium nitrate
7% reclaims 60～80 parts in thermoplastic resin membrane wrapping ammonium sulfate
8% reclaims 130～150 parts in thermoplastic resin membrane wrapping saltpetre
7% reclaims 70～90 parts of thermoplastic resin membrane wrapping diammonium phosphate
7% reclaims 90～110 parts in thermoplastic resin membrane wrapping nitrocalcite
8% reclaims 70～90 parts in thermoplastic resin membrane wrapping sal epsom
7% reclaims 20～40 parts of thermoplastic resin membrane wrapping compound trace element fertilizers
30～50 parts in urea undercoat 4% modified epoxy resin integument ammonium nitrate
50～70 parts in urea undercoat 6% modified epoxy resin integument ammonium sulfate
60～80 parts of urea undercoat 4% modified epoxy resin integument diammonium phosphate
110～130 parts in urea undercoat 5% modified epoxy resin integument saltpetre
70～90 parts in urea undercoat 6% modified epoxy resin integument nitrocalcite
50～70 parts in urea undercoat 5% modified epoxy resin integument sal epsom
10～30 parts of urea undercoat 5% modified epoxy resin integument compound trace element fertilizers.
In the above-mentioned raw materials, recovery thermoplastic resin membrane wrapping layer quality is respectively 9%, 7%, 8%, 7%, 7%, 8%, 7% of core fertilizer quality in 9% recovery thermoplastic resin membrane wrapping ammonium nitrate, 7% recovery thermoplastic resin membrane wrapping ammonium sulfate, 8% recovery thermoplastic resin membrane wrapping saltpetre, 7% recovery thermoplastic resin membrane wrapping diammonium phosphate, 7% recovery thermoplastic resin membrane wrapping nitrocalcite, 8% recovery thermoplastic resin membrane wrapping sal epsom, the 7% recovery thermoplastic resin membrane wrapping compound trace element fertilizer.
Above-mentioned 7 kinds of fertile Shandong Kingenta Bio-engineering Stock Co., Ltd. of recovery thermoplastic resin membrane wrapping produce and sell, also can be by prior art for preparing, described in CN 1257136C (200410035783.3) " is the production method of the film-coated controlled release fertilizer of degradable membrane to reclaim thermoplastic resin ".The core nutriment in a fertilizer is not ammonium nitrate, ammonium sulfate, saltpetre, diammonium phosphate, nitrocalcite, sal epsom, compound trace element fertilizer.
Preferably, reclaiming the thermoplastic resin membrane wrapping agent makes by the following method:
24 parts of recovery vinyons and 24 parts of recovery polystyrene foams are miscible in the mixed solvent of 400 parts of methylene dichloride and zellon 1: 1 (mass ratio), add diatomite, Semen Maydis powder, rubber part with 4 parts in the mixture of 1: 1: 1 mass ratio, be prepared into and reclaim the thermoplastic resin membrane wrapping agent.
In the above-mentioned raw materials, described urea undercoat 4% modified epoxy resin integument ammonium nitrate, urea undercoat 6% modified epoxy resin integument ammonium sulfate, urea undercoat 4% modified epoxy resin integument diammonium phosphate, urea undercoat 5% modified epoxy resin integument saltpetre, urea undercoat 6% modified epoxy resin integument nitrocalcite, urea undercoat 5% modified epoxy resin integument sal epsom, in the urea undercoat 5% modified epoxy resin integument compound trace element fertilizer, the urea undercoat accounts for 5% of core fertilizer quality, and modified epoxy resin integument layer quality is respectively 4% of core fertilizer quality, 6%, 4%, 5%, 6%, 5%, 5%.Preferably, the coating agent that described modified epoxy resin integument layer uses prepares by the following method: epoxy resin E-44 is mixed with into modified epoxy with polyurethane PU R with 9: 1 mass ratioes, get 40 kilograms of modified epoxies, solidifying agent T-5934 kilogram, 1.2 kilograms of thinner benzyl glycidyl ethers, 1.2 kilograms of wilkinites, be mixed and made into the modified epoxy resin integument agent.
More than 7 kinds of urea undercoat modified epoxy resin integument fertilizer Shandong Kingenta Bio-engineering Stock Co., Ltd. produce and sell, also can be by prior art for preparing, for example, referring to described in the CN 1246264C (200410024049.7) " is the modified epoxy resin integument release and release control fertilizer of undercoat with spraying urea ".The core nutriment in a fertilizer is not ammonium nitrate, ammonium sulfate, diammonium phosphate, saltpetre, nitrocalcite, sal epsom, compound trace element fertilizer.
Described 7% reclaim compound trace element fertilizer (core fertilizer) in thermoplastic resin membrane wrapping compound trace element fertilizer, the urea undercoat 5% modified epoxy resin integument compound trace element fertilizer be by zinc sulfate, copper sulfate, borax, ferrous sulfate, manganous sulfate, ammonium molybdate by 1: 0.2: 0.3: 1: 0.2: 0.2 mass ratio mixes, and adds the particle fertilizer that the weighting agent of 16wt% is made again.Weighting agent is urea, amino acid or humic acid.
Further preferred, controlled-release fertilizer dedicated to soilless culture of foliage plants, it is as follows that raw material is formed mass parts:
9% reclaims 48～52 parts in thermoplastic resin membrane wrapping ammonium nitrate
7% reclaims 68～72 parts in thermoplastic resin membrane wrapping ammonium sulfate
8% reclaims 135～145 parts in thermoplastic resin membrane wrapping saltpetre
7% reclaims 78～82 parts of thermoplastic resin membrane wrapping diammonium phosphate
7% reclaims 95～105 parts in thermoplastic resin membrane wrapping nitrocalcite
8% reclaims 78～82 parts in thermoplastic resin membrane wrapping sal epsom
7% reclaims 29～31 parts of thermoplastic resin membrane wrapping compound trace element fertilizers
38～42 parts in urea undercoat 4% modified epoxy resin integument ammonium nitrate
58～62 parts in urea undercoat 6% modified epoxy resin integument ammonium sulfate
68～72 parts of urea undercoat 4% modified epoxy resin integument diammonium phosphate
115～125 parts in urea undercoat 5% modified epoxy resin integument saltpetre
78～82 parts in urea undercoat 6% modified epoxy resin integument nitrocalcite
58～62 parts in urea undercoat 5% modified epoxy resin integument sal epsom
19～21 parts of urea undercoat 5% modified epoxy resin integument compound trace element fertilizers.
A kind of preparation method of controlled-release fertilizer dedicated to soilless culture of foliage plants, reclaim thermoplastic resin membrane wrapping ammonium nitrate with 9%, 7% reclaims thermoplastic resin membrane wrapping ammonium sulfate, 8% reclaims thermoplastic resin membrane wrapping saltpetre, 7% reclaims the thermoplastic resin membrane wrapping diammonium phosphate, 7% reclaims thermoplastic resin membrane wrapping nitrocalcite, 8% reclaims thermoplastic resin membrane wrapping sal epsom, 7% reclaims the thermoplastic resin membrane wrapping compound trace element fertilizer, urea undercoat 4% modified epoxy resin integument ammonium nitrate, urea undercoat 6% modified epoxy resin integument ammonium sulfate, urea undercoat 4% modified epoxy resin integument diammonium phosphate, urea undercoat 5% modified epoxy resin integument saltpetre, urea undercoat 6% modified epoxy resin integument nitrocalcite, urea undercoat 5% modified epoxy resin integument sal epsom, urea undercoat 5% modified epoxy resin integument compound trace element fertilizer is totally 14 kinds of raw materials, putting into stirrer by proportioning stirred 5～10 minutes, fully mixing measures, packing.
In above preparation method, each raw material is all buied by market, and Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells.Also can prepare by the method that CN 1257136C (200410035783.3) and CN 1246264C (200410024049.7) provide.The present invention with the method for preparing raw material among the embodiment as preferred scheme.
Controlled-release fertilizer dedicated to soilless culture of foliage plants of the present invention is used, and when comprising (1) nutrient fluid cultivation special-purpose fertilizer of the present invention is directly put into water; (2) the special-purpose fertilizer of the present invention is evenly sneaked in the cultivation matrix during substrate culture.
The special-purpose fertile amount of application of the present invention is determined by seeing leaf class flower culture area, every square metre of fertilizer amount 650～750 grams.
Excellent results of the present invention is as follows:
1. controlled-release effect is good
Fertilizer of the present invention is formulated by reclaiming thermoplastic resin membrane wrapping fertilizer and urea undercoat modified epoxy resin integument fertilizer, the coated fertilizer of these two big class coating controlled-release fertilizer raw materials is water-insoluble coating agent, has good controlled release properties, the controlled release phase is long, be suitable for floriculture greenhouse and soilless culture at home, the annual applied once that only needs.
2. nutrient discharges to satisfy and sees leaf class flowers absorption requirement
See the speed of growth of leaf class flowers and nutrient absorbing speed is mainly changed with envrionment temperature, the controlled release phase of one of raw material of special-purpose control-release fertilizer of the present invention recovery thermoplastic resin membrane wrapping fertilizer is long, nutrient discharges stable, the nutrient release rate temperature influence of urea undercoat modified epoxy resin integument fertilizer is more obvious, temperature height, nutrient discharge to be accelerated.The fertile raw material of the controlled release of fertilizer two major types of the present invention cooperatively interacts, and can satisfy better and see the needs of leaf class flowers with the temperature growth change.
3. avoid precipitating in the nutritive medium
Be subjected to the influence of solubility product, multiple nutritional components is in the same aqueous solution can form the insoluble chemical compound precipitation, as calcium sulfate, calcium phosphate, tertiary iron phosphate etc.Therefore existing soilless culture nutrient fluid with the readily avaiable fertilizer preparation must be turned down the pH value of nutritive medium as far as possible, and also will constantly adjust in process of growth, and this not only increases workload, also can be not suitable for the optimum growh environment of some flowers.The nutrient ion of fertilizer of the present invention is slowly to discharge with the absorption that the person changes, and is difficult for accumulation, and precipitation is difficult to take place.
4. use conveniently, save labor
Fertilizer of the present invention is directly put into water according to quantity or is mixed in cultivation matrix and gets final product, and has avoided a series of loaded down with trivial details work such as preparation, adjusting, storage of nutritive medium, saves labor, and saves cost, increases economic efficiency.
Description of drawings
Fig. 1 is embodiment 1 controlled-release fertilizer dedicated to soilless culture of foliage plants nutrient element releasing rule and the nutrient absorption law graphic representation of seeing leaf class flowers, thick line is the fertile nitrogen of controlled release, phosphorus, potassium total nutrient cumulative release rule line, nitrogen, phosphorus, the potassium total nutrient accumulation absorbing rule curve of fine rule for seeing leaf class flowers, X-coordinate is to see the leaf class flowers field planting time, and ordinate zou is nitrogen, phosphorus, potassium total nutrient quantity.
Embodiment
The present invention will be further described below in conjunction with embodiment, but be not limited thereto.Per-cent among the embodiment is mass percent, do not have among the embodiment clear and definite all by prior art, the method that provides as CN 1257136C (200410035783.3) and CN 1246264C (200410024049.7).
Embodiment 1: controlled-release fertilizer dedicated to soilless culture of foliage plants, and it is as follows that raw material is formed mass parts:
9% reclaims 50 parts in thermoplastic resin membrane wrapping ammonium nitrate
7% reclaims 70 parts in thermoplastic resin membrane wrapping ammonium sulfate
8% reclaims 140 parts in thermoplastic resin membrane wrapping saltpetre
7% reclaims 80 parts of thermoplastic resin membrane wrapping diammonium phosphate
7% reclaims 100 parts in thermoplastic resin membrane wrapping nitrocalcite
8% reclaims 80 parts in thermoplastic resin membrane wrapping sal epsom
7% reclaims 30 parts of thermoplastic resin membrane wrapping compound trace element fertilizers
40 parts in urea undercoat 4% modified epoxy resin integument ammonium nitrate
60 parts in urea undercoat 6% modified epoxy resin integument ammonium sulfate
70 parts of urea undercoat 4% modified epoxy resin integument diammonium phosphate
120 parts in urea undercoat 5% modified epoxy resin integument saltpetre
80 parts in urea undercoat 6% modified epoxy resin integument nitrocalcite
60 parts in urea undercoat 5% modified epoxy resin integument sal epsom
20 parts of urea undercoat 5% modified epoxy resin integument compound trace element fertilizers
The preparation method of controlled-release fertilizer dedicated to soilless culture of foliage plants:
The preparation of A, compound trace element fertilizer raw material:
Get 100 kilograms in zinc sulfate, 20 kilograms in copper sulfate, 30 kilograms of boraxs, 100 kilograms in ferrous sulfate, 20 kilograms of manganous sulfates, 20 kilograms of ammonium molybdates, 46 kilograms in urea, mix the disk granulation.
B, the preparation of reclaiming the fertile raw material of thermoplastic resin membrane wrapping:
24 kilograms of recovery vinyons and 24 kilograms of recovery polystyrene foams are miscible in the mixed solvent of 400 kilograms of methylene dichloride and 1: 1 mass ratio of zellon, add diatomite, Semen Maydis powder, rubber powder with 1: 1: 1 quality than 4 kilograms in mixture, be prepared into and reclaim the thermoplastic resin membrane wrapping agent.
The particle ammonium nitrate that the cut-off footpath is 2～3 millimeters, ammonium sulfate, saltpetre, diammonium phosphate, nitrocalcite, sal epsom, little fertilizer join respectively in the rotary drum sulfuration bed for each 100 kilograms, wrap up the agent of above-mentioned recovery thermoplastic resin membrane wrapping by prior art.Make 9% recovery thermoplastic resin membrane wrapping ammonium nitrate, 7% recovery thermoplastic resin membrane wrapping ammonium sulfate, 8% recovery thermoplastic resin membrane wrapping saltpetre, 7% recovery thermoplastic resin membrane wrapping diammonium phosphate, 7% recovery thermoplastic resin membrane wrapping nitrocalcite, 8% recovery thermoplastic resin membrane wrapping sal epsom, 7% recovery thermoplastic resin membrane wrapping compound trace element fertilizer respectively.
The preparation of C, the fertile raw material of urea undercoat modified epoxy resin integument:
Epoxy resin E-44 is mixed with 9: 1 mass ratioes with polyurethane PU R, be prepared into modified epoxy.Get 40 kilograms of modified epoxies, solidifying agent T-5934 kilogram, 1.2 kilograms of thinner benzyl glycidyl ethers, 1.2 kilograms of wilkinites, mix, be mixed with the modified epoxy resin integument agent.
The particle ammonium nitrate that the cut-off footpath is 2～3 millimeters, ammonium sulfate, diammonium phosphate, saltpetre, nitrocalcite, sal epsom, compound trace element fertilizer join respectively in the rotary drum sulfuration bed for each 100 kilograms, under 50 ℃ of temperature, earlier complete fused urea liquid is sprayed on the fertiliser granulates, the mass parts that urea liquid accounts for core fertilizer is 5%.Press the modified epoxy resin integument agent of the above-mentioned preparation of prior art bag one deck again.Make urea undercoat 4% modified epoxy resin integument ammonium nitrate, urea undercoat 6% modified epoxy resin integument ammonium sulfate, urea undercoat 4% modified epoxy resin integument diammonium phosphate, urea undercoat 5% modified epoxy resin integument saltpetre, urea undercoat 6% modified epoxy resin integument nitrocalcite, urea undercoat 5% modified epoxy resin integument sal epsom, urea undercoat 5% modified epoxy resin integument compound trace element fertilizer respectively.
D, get 9% by prescription and reclaim thermoplastic resin membrane wrapping ammonium nitrate, 7% reclaims thermoplastic resin membrane wrapping ammonium sulfate, 8% reclaims thermoplastic resin membrane wrapping saltpetre, 7% reclaims the thermoplastic resin membrane wrapping diammonium phosphate, 7% reclaims thermoplastic resin membrane wrapping nitrocalcite, 8% reclaims thermoplastic resin membrane wrapping sal epsom, 7% reclaims the thermoplastic resin membrane wrapping compound trace element fertilizer, urea undercoat 4% modified epoxy resin integument ammonium nitrate, urea undercoat 6% modified epoxy resin integument ammonium sulfate, urea undercoat 4% modified epoxy resin integument diammonium phosphate, urea undercoat 5% modified epoxy resin integument saltpetre, urea undercoat 6% modified epoxy resin integument nitrocalcite, urea undercoat 5% modified epoxy resin integument sal epsom, urea undercoat 5% modified epoxy resin integument compound trace element fertilizer, all raw materials are put into stirrer to be stirred 5～10 minutes, fully mixing is sent the fertilizer that mixes into metering, wrapping machine measures, packing.
Embodiment 2: controlled-release fertilizer dedicated to soilless culture of foliage plants, and it is as follows that raw material is formed mass parts:
9% reclaims 60 parts in thermoplastic resin membrane wrapping ammonium nitrate
7% reclaims 80 parts in thermoplastic resin membrane wrapping ammonium sulfate
8% reclaims 150 parts in thermoplastic resin membrane wrapping saltpetre
7% reclaims 90 parts of thermoplastic resin membrane wrapping diammonium phosphate
7% reclaims 110 parts in thermoplastic resin membrane wrapping nitrocalcite
8% reclaims 90 parts in thermoplastic resin membrane wrapping sal epsom
7% reclaims 40 parts of thermoplastic resin membrane wrapping compound trace element fertilizers
30 parts in urea undercoat 4% modified epoxy resin integument ammonium nitrate
50 parts in urea undercoat 6% modified epoxy resin integument ammonium sulfate
60 parts of urea undercoat 4% modified epoxy resin integument diammonium phosphate
110 parts in urea undercoat 5% modified epoxy resin integument saltpetre
70 parts in urea undercoat 6% modified epoxy resin integument nitrocalcite
50 parts in urea undercoat 5% modified epoxy resin integument sal epsom
10 parts of urea undercoat 5% modified epoxy resin integument compound trace element fertilizers.
The preparation method is with embodiment 1.
Embodiment 3: controlled-release fertilizer dedicated to soilless culture of foliage plants, and it is as follows that raw material is formed mass parts:
9% reclaims 40 parts in thermoplastic resin membrane wrapping ammonium nitrate
7% reclaims 60 parts in thermoplastic resin membrane wrapping ammonium sulfate
8% reclaims 130 parts in thermoplastic resin membrane wrapping saltpetre
7% reclaims 70 parts of thermoplastic resin membrane wrapping diammonium phosphate
7% reclaims 90 parts in thermoplastic resin membrane wrapping nitrocalcite
8% reclaims 70 parts in thermoplastic resin membrane wrapping sal epsom
7% reclaims 20 parts of thermoplastic resin membrane wrapping compound trace element fertilizers
50 parts in urea undercoat 4% modified epoxy resin integument ammonium nitrate
70 parts in urea undercoat 6% modified epoxy resin integument ammonium sulfate
80 parts of urea undercoat 4% modified epoxy resin integument diammonium phosphate
130 parts in urea undercoat 5% modified epoxy resin integument saltpetre
90 parts in urea undercoat 6% modified epoxy resin integument nitrocalcite
70 parts in urea undercoat 5% modified epoxy resin integument sal epsom
30 parts of urea undercoat 5% modified epoxy resin integument compound trace element fertilizers.
The preparation method is with embodiment 1.
Embodiment 4: controlled-release fertilizer dedicated to soilless culture of foliage plants, and it is as follows that raw material is formed mass parts:
9% reclaims 40 parts in thermoplastic resin membrane wrapping ammonium nitrate
7% reclaims 80 parts in thermoplastic resin membrane wrapping ammonium sulfate
8% reclaims 130 parts in thermoplastic resin membrane wrapping saltpetre
7% reclaims 90 parts of thermoplastic resin membrane wrapping diammonium phosphate
7% reclaims 110 parts in thermoplastic resin membrane wrapping nitrocalcite
8% reclaims 70 parts in thermoplastic resin membrane wrapping sal epsom
7% reclaims 25 parts of thermoplastic resin membrane wrapping compound trace element fertilizers
50 parts in urea undercoat 4% modified epoxy resin integument ammonium nitrate
50 parts in urea undercoat 6% modified epoxy resin integument ammonium sulfate
60 parts of urea undercoat 4% modified epoxy resin integument diammonium phosphate
130 parts in urea undercoat 5% modified epoxy resin integument saltpetre
70 parts in urea undercoat 6% modified epoxy resin integument nitrocalcite
70 parts in urea undercoat 5% modified epoxy resin integument sal epsom
25 parts of urea undercoat 5% modified epoxy resin integument compound trace element fertilizers.
The preparation method is with embodiment 1.
Comparative Examples:
The common nutrient solution prescription of soilless culture: (NH
4)
2SO
4237mg/L, MgSO
47H
2O 537mg/L, Ca (NO
3)
24H
2O1260mg/L, K
2SO
4250mg/L, KH
2PO
4350mg/L, EDTA-Fe 25mg/L.
The effect of above embodiment 1～4 and Comparative Examples is as follows:
Test site: Shandong Province's Linyi City, Shandong Kingenta Bio-engineering Stock Co., Ltd. test farm.
Test period: February 2010 March in 2009.
Test flowers: golden heart bracketplant and flame nettle.
As cultivating container, cultivation matrix is a quartz sand with plastic crate.Gold heart bracketplant and these 2 kinds of flowers of flame nettle are respectively established 5 treatment group, use 4 treatment group that are respectively of embodiment 1-4 fertilizer, are control treatment with the Comparative Examples, and each treatment group cultivated area is 1 square metre.Embodiment fertilizer is identical with the total consumption of Comparative Examples fertilizer, and embodiment fertilizer is disposable evenly sneaking in the quartz sand before the flowers field planting, and Comparative Examples is made into nutritive medium and repeatedly uses in the flower growth process.Effect sees Table 1.
Table 1
Claims (4)
1. controlled-release fertilizer dedicated to soilless culture of foliage plants, it is as follows to it is characterized in that raw material is formed mass parts:
9% reclaims 40～60 parts in thermoplastic resin membrane wrapping ammonium nitrate
7% reclaims 60～80 parts in thermoplastic resin membrane wrapping ammonium sulfate
8% reclaims 130～150 parts in thermoplastic resin membrane wrapping saltpetre
7% reclaims 70～90 parts of thermoplastic resin membrane wrapping diammonium phosphate
7% reclaims 90～110 parts in thermoplastic resin membrane wrapping nitrocalcite
8% reclaims 70～90 parts in thermoplastic resin membrane wrapping sal epsom
7% reclaims 20～40 parts of thermoplastic resin membrane wrapping compound trace element fertilizers
30～50 parts in urea undercoat 4% modified epoxy resin integument ammonium nitrate
50～70 parts in urea undercoat 6% modified epoxy resin integument ammonium sulfate
60～80 parts of urea undercoat 4% modified epoxy resin integument diammonium phosphate
110～130 parts in urea undercoat 5% modified epoxy resin integument saltpetre
70～90 parts in urea undercoat 6% modified epoxy resin integument nitrocalcite
50～70 parts in urea undercoat 5% modified epoxy resin integument sal epsom
10～30 parts of urea undercoat 5% modified epoxy resin integument compound trace element fertilizers;
In the above-mentioned raw materials, described 9% recovery thermoplastic resin membrane wrapping ammonium nitrate, 7% recovery thermoplastic resin membrane wrapping ammonium sulfate, 8% reclaim thermoplastic resin membrane wrapping saltpetre, 7% and reclaim in thermoplastic resin membrane wrapping diammonium phosphate, 7% recovery thermoplastic resin membrane wrapping nitrocalcite, 8% recovery thermoplastic resin membrane wrapping sal epsom, the 7% recovery thermoplastic resin membrane wrapping compound trace element fertilizer, reclaim thermoplastic resin membrane wrapping layer quality and are respectively 9%, 7%, 8%, 7%, 7%, 8%, 7% of core fertilizer quality;
In the above-mentioned raw materials, described urea undercoat 4% modified epoxy resin integument ammonium nitrate, urea undercoat 6% modified epoxy resin integument ammonium sulfate, urea undercoat 4% modified epoxy resin integument diammonium phosphate, urea undercoat 5% modified epoxy resin integument saltpetre, urea undercoat 6% modified epoxy resin integument nitrocalcite, urea undercoat 5% modified epoxy resin integument sal epsom, in the urea undercoat 5% modified epoxy resin integument compound trace element fertilizer, the urea undercoat accounts for 5% of core fertilizer quality, and modified epoxy resin integument layer quality is respectively 4% of core fertilizer quality, 6%, 4%, 5%, 6%, 5%, 5%;
Described 7% reclaim compound trace element fertilizer in thermoplastic resin membrane wrapping compound trace element fertilizer, the urea undercoat 5% modified epoxy resin integument compound trace element fertilizer be by zinc sulfate, copper sulfate, borax, ferrous sulfate, manganous sulfate, ammonium molybdate by 1: 0.2: 0.3: 1: 0.2: 0.2 mass ratio mixes, and adds the particle fertilizer that the weighting agent of 16wt% is made again.
2. controlled-release fertilizer dedicated to soilless culture of foliage plants as claimed in claim 1 is characterized in that, it is as follows that raw material is formed mass parts:
9% reclaims 48～52 parts in thermoplastic resin membrane wrapping ammonium nitrate
7% reclaims 68～72 parts in thermoplastic resin membrane wrapping ammonium sulfate
8% reclaims 135～145 parts in thermoplastic resin membrane wrapping saltpetre
7% reclaims 78～82 parts of thermoplastic resin membrane wrapping diammonium phosphate
7% reclaims 95～105 parts in thermoplastic resin membrane wrapping nitrocalcite
8% reclaims 78～82 parts in thermoplastic resin membrane wrapping sal epsom
7% reclaims 29～31 parts of thermoplastic resin membrane wrapping compound trace element fertilizers
38～42 parts in urea undercoat 4% modified epoxy resin integument ammonium nitrate
58～62 parts in urea undercoat 6% modified epoxy resin integument ammonium sulfate
68～72 parts of urea undercoat 4% modified epoxy resin integument diammonium phosphate
115～125 parts in urea undercoat 5% modified epoxy resin integument saltpetre
78～82 parts in urea undercoat 6% modified epoxy resin integument nitrocalcite
58～62 parts in urea undercoat 5% modified epoxy resin integument sal epsom
19～21 parts of urea undercoat 5% modified epoxy resin integument compound trace element fertilizers.
3. controlled-release fertilizer dedicated to soilless culture of foliage plants as claimed in claim 1 or 2 is characterized in that, the coating agent that described recovery thermoplastic resin membrane wrapping layer uses is to make by the following method:
24 parts of recovery vinyons and 24 parts of recovery polystyrene foams are miscible in the mixed solvent of 400 parts of methylene dichloride and 1: 1 mass ratio of zellon, add diatomite, Semen Maydis powder, rubber part with 4 parts in the mixture of 1: 1: 1 mass ratio, be prepared into and reclaim the thermoplastic resin membrane wrapping agent.
4. controlled-release fertilizer dedicated to soilless culture of foliage plants as claimed in claim 1 or 2 is characterized in that, the coating agent that described modified epoxy resin integument layer uses prepares by the following method:
Resins, epoxy is mixed with into modified epoxy with urethane with 9: 1 mass ratioes; Get 40 kilograms of modified epoxies, solidifying agent T-5934 kilogram, 1.2 kilograms of thinner benzyl glycidyl ethers and 1.2 kilograms of mixing of wilkinite, make the modified epoxy resin integument agent.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922861A (en) * | 2014-05-05 | 2014-07-16 | 浙江省农业科学院 | Waxberry full-rate slow release fertilizer |
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| CN101239862A (en) * | 2008-03-17 | 2008-08-13 | 山东金正大生态工程股份有限公司 | Special-purpose control-release fertilizer for potted plant flower pineapple and preparation method thereof |
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| JPH0859788A (en) * | 1994-08-24 | 1996-03-05 | Central Glass Co Ltd | Coating material for fertilizer and coated granular fertilizer |
| CN1569773A (en) * | 2004-04-27 | 2005-01-26 | 山东农业大学 | Modified epoxy resin coated slow-release fertilizer with spray coating urea as bottom coat |
| CN101186539A (en) * | 2007-12-14 | 2008-05-28 | 山东金正大生态工程股份有限公司 | Special-purpose controlled-release fertilizer coated with sulfur and resin for celery cabbage and preparation method thereof |
| CN101234928A (en) * | 2008-02-26 | 2008-08-06 | 山东金正大生态工程股份有限公司 | Special control-release fertilizer for sulfur and resin coated red pepper and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922861A (en) * | 2014-05-05 | 2014-07-16 | 浙江省农业科学院 | Waxberry full-rate slow release fertilizer |
| CN103922861B (en) * | 2014-05-05 | 2015-10-07 | 浙江省农业科学院 | A kind of red bayberry full price slow-release fertilizer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101857499B (en) | 2011-05-11 |
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