CN102351602B - Synchronous nutrition fertilizers, preparation methods thereof and applications thereof - Google Patents
Synchronous nutrition fertilizers, preparation methods thereof and applications thereof Download PDFInfo
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- CN102351602B CN102351602B CN201110200693.5A CN201110200693A CN102351602B CN 102351602 B CN102351602 B CN 102351602B CN 201110200693 A CN201110200693 A CN 201110200693A CN 102351602 B CN102351602 B CN 102351602B
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Abstract
The invention discloses synchronous nutrition fertilizers, preparation methods thereof and applications thereof. The synchronous nutrition fertilizers comprise four formulas consisting of a high nitrogen formula, a high nitrogen potassium formula, a high potassium formula and an equalization formula, and the synchronous nutrition fertilizers of the four formulas respectively comprise a base fertilizer and a resin coating controlled release component adapted to the base fertilizer. The synchronous nutrition fertilizers of the invention can be applied to the one-time fertilizing of short-growth period field crops or the less-time afterfertilizing of long-growth period or perennial economic crops. The preparation methods of the invention not only allow the nutrient proportion of the fertilizers to satisfy demands of crops, but also allow the speed, the quantity, the proportion of nutrition elements of nutrients in the fertilizers to be controlled to basically fit the demands of nitrogen, phosphor and potassium of the crops with various growth periods. An organic cooperation of the fertilizers of the four base formulas of high nitrogen, high nitrogen potassium, high potassium, and equalization with the resin coating controlled release component is provided in the invention to solve a present limitation that one formula fertilizer only corresponds with the nutrition demands of one or one type crop.
Description
Technical field
Invention belongs to fertilizer production technology field, is specifically related to a kind of technology of preparing of formula fertilizer, particularly a kind of synchronous nutrient fertilizer and preparation method thereof.
Background technology
Up to the present, still not about the basically identical synchronous nutrient fertilizer systematic study report of fertilizer speed, fertilizer quantity (nitrogen phosphoris and potassium fertilizer ratio) and crop demand.According to available data report, international, domestic relevant fertilizer mainly contains release and release control fertilizer and taking common fertilizer as the large kind of basic formula fertilizer two.Situation and the weak point of this two classes fertilizer are as follows:
(1) regular convention formula fertilizer
Regular convention formula fertilizer refers to taking soil testing and field test as basis; according to crop regulation of fertilizer requirement, fertilizer provision from soil performance and fertilizer effect; taking various simple substance granular chemical fertilizers and (or) composite fertilizer as raw material, the fertilizer that is suitable for specific region, specific crop that adopts blending or granulation process to make.The appearance of regular convention formula fertilizer, part has solved the fertilizer nutrient proportioning and the crop nutrition content demand imbalance that in China's agriculture production, exist throughout the year, and peasant blindly uses a series of problems such as balanced type Nitrogen, Phosphorus and Potassium.But due to the defect of such fertilizer guiding theory of design, be mostly regular convention formula hypertrophy is according to the nutritional needs in crop all one's life and Rules of Nutrition Design and manufacture, be adapted to the special formula fertilizer in all one's life, cause fertilizer efficiency and three Major Nutrient stages of current regular convention formula fertilizer to be misfitted, therefore cannot take on the important task of balance fertilizing carrier.
The subject matter of its existence is: regular convention formula fertilizer forms taking various simple substance granular chemical fertilizers and (or) composite fertilizer as preparation of raw material; it is water-soluble chemical fertilizer; after being manured into soil, nutrient supply speed is fast; easily run off with rainfall or irrigation; not only the utilization ratio of fertilizer is low, and causes serious farmland quality degeneration and environmental problem.And this class special formula fertilizer need to repeatedly apply fertilizer and could meet the target crop needs in the time of infertility.Especially, in the price of labour power surging today, applying of the regular convention formula fertilizer that need to repeatedly apply fertilizer is subject to certain limitation unavoidably, improves utilization rate of fertilizer and reduces energy consumption, reduces CO nor meet China
2the state basic policy of discharge.
(2) release and release control fertilizer
Release and release control fertilizer is coated with resin composite fertilizer or resin coated urea.The nutrient supply speed of release and release control fertilizer only depends on the temperature humidity of thickness and the soil of coating.General membrane wrapping thickness is larger, and fertilizer speed is less; The soil moisture is higher, and fertilizer speed is faster.In film thickness one timing, nutrient releasing speed and temperature are proportionate.Therefore the fertilizer speed of this coated fertilizer can be by controlling the thickness of coating manual control.But mainly there is following problem in this resin coated controlled release fertilizer material:
Although the resin coated controlled release fertilizer material supply speed of nutrient and the physicochemical property of quantity soil, soil microbial activities be without direct relation, and only there is direct relation with the soil moisture.But under certain edaphic condition, no matter in any period of plant growth, no matter which type of nitrogen phosphoris and potassium fertilizer ratio of crop demand, release and release control fertilizer discharges or the constant airspeed of nutrient of supply is constant, the constant rate of supply nitrogen phosphorus potassium, in other words in fact fertilizer speed and quantity cannot regulate, be that fertilizer quantity and speed are asynchronous with crop demand, distinct issues are to supply available nutrient deficiency in the early stage of plant growth, cause tiller bad thereby affect growing of whole breeding time.Meanwhile, the manufacturing process complexity of the release and release control fertilizer that production fertilizer quantity and nutrients ratio are synchronizeed with crop, working condition is strict, and fertilizer cost is higher, is 5～6 times of Common compound fertilizer.So use release and release control fertilizer in agriculture production, by facing, cost is high, in fact fertilizer nutrient release rate is difficult to the dual restriction consistent with crop demand with supply.
The inventor is 201010207513.1 at number of patent application, the one fertile preparation method of controlled release BB that grows tobacco is provided in the patent application that denomination of invention is " grow tobacco controlled-release formula fertilizer and its preparation method and application ", and relating generally to and being reacted into membranous type resin coating material is raw material is manufactured the dedicated release-controlled BB fertilizer of tobacco commercial run in conjunction with the nutritive property of tobacco.But this patented technology only can solve the simplification fertilizer practice of this special crop of tobacco targetedly.Described controlled release formulation fertilizer can not adapt to each stage in crop three Major Nutrient stages of all one's life, and is only adapted to certain stage, in fact can't solve the problem that fertilizer supply nutrient is synchronizeed with crop demand.
Summary of the invention
The present invention is directed to the not enough of existing formula fertilizer technology and only can be applicable to single limitation of planting crop, set up a kind of synchronous nutrient fertilizer, described synchronous nutrient fertilizer can be widely towards most farm crop such as fruit tree such as the field crops such as paddy rice, wheat, vegetables and banana, pineapple, oranges and tangerines.
The invention provides a kind of synchronous nutrient fertilizer, prepare according to the law of nutritive absorption of most of target crop and conventional water-soluble chemical fertilizer, ensure that the nutritive element ratio such as supply nutrient speed, nutrient supply quantity and nitrogen, phosphorus, potassium, calcium, magnesium, sulphur, zinc, iron, copper, boron, molybdenum, manganese and the demand in three Major Nutrient stages of crop of synchronous nutrient fertilizer is substantially identical.Described synchronous nutrient fertilizer can be controlled according to the nutritive property of different target crop each different stepss in vegetative period the synchronous nutrient fertilizer of the nutritive element ratios such as nutrient releasing speed, supply quantity, supply nitrogen, phosphorus, potassium, calcium, magnesium, sulphur, zinc, iron, copper, boron, molybdenum, manganese.
Object of the present invention is achieved by the following technical programs:
A kind of synchronous nutrient fertilizer is provided, comprises the synchronous nutrient fertilizer of high nitrogen, high nitrogen potassium, high potassium or balanced four kinds of formulas; The synchronous nutrient nutriment in a fertilizer of four kinds of formulas do not comprise base fertilizer and with the suitable resin coated controlled release component of base fertilizer;
The synchronous nutrient fertilizer of described high nitrogen formula comprises high nitrogen type base fertilizer and suitable resin coated controlled release component with it; Described high nitrogen type base fertilizer comprises the high-nitrogen compound fertilizer of urea nitrogen, nitric nitrogen, ammonium nitrogen, orthophosphoric acid salt, potassium sulfate or Repone K or nitrogen, phosphorus, potassium simple substance granulated fertilizer, and the nutrients ratio formula of described high nitrogen synchronous nutrient base fertilizer is that 2.8:1:1.8(refers to N:P
2o
5: K
2the mass ratio of O); Described resin coated controlled release component comprises 3%, 4% and 5% resin coated urea, and 5% and 6% coated with resin Repone K.
Preferably, the synchronous nutrient fertilizer of described high nitrogen formula comprises following each component:
3% resin coated urea (44.5-0-0): 2～5 mass parts;
4% resin coated urea (444-0-0): 5～10 mass parts;
5% resin coated urea (43.5-0-0): 2～5 mass parts;
4% coated with resin Repone K (0-0-57): 2～10 mass parts;
6% coated with resin Repone K (0-0-58): 1～5 mass parts;
Composite fertilizer (15-15-15): 0～30 mass parts;
Urea (46-0-0): 10～40 mass parts;
Diammonium phosphate (16-48-0): 0～20 mass parts;
Repone K (0-0-60): 0～20 mass parts;
Potassium sulfate (0-0-50): 0～20 mass parts;
Complex state trace element fertilizer (trace element >=2%): 0～1 mass parts;
The routine that numerical value in each component bracket is fertilizer above indicates, i.e. the mass percentage content of N, P, K (in nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide).In said components, the nutrient supply speed of synchronous nutrient fertilizer is to control by membrane wrapping thickness (mass percent that accounts for core core fertilizer according to coated fertilizer represents), is respectively the film-coated controlled release fertilizer of 30～40 days (d), 60～70d, 80～90d and 120～130d as above-mentioned 3%, 4%, 5% and 6% coated with resin fertilizer just refers to nutrient supply phase or fertilizer efficiency period.
The synchronous nutrient fertilizer of described high nitrogen potassium formula comprises high nitrogen potassium type base fertilizer and suitable resin coated controlled release component with it; Described high nitrogen potassium type base fertilizer comprises the high K composite fertilizer of urea nitrogen, nitric nitrogen, ammonium nitrogen, orthophosphoric acid salt, potassium sulfate or Repone K or nitrogen, phosphorus, potassium simple substance granulated fertilizer, and the nutrients ratio formula of the fertile base fertilizer of described high nitrogen potassium synchronous nutrient is that 3:1:5(refers to N:P
2o
5: K
2the mass ratio of O); Described resin coated controlled release component comprises 3%, 4% and 5% resin coated urea, and 5% and 6% coated with resin potassium sulfate or coated with resin Repone K.
Preferably, the synchronous nutrient fertilizer of described high nitrogen potassium formula comprises following each component:
3% resin coated urea (45-0-0): 2～100 mass parts;
4% resin coated urea (43-0-0): 5～10 mass parts;
5% resin coated urea (43-0-0): 0～10 mass parts;
5% is reacted into membranous type coating potassium sulfate (0-0-48): 0～25 mass parts;
6% is reacted into membranous type coating potassium sulfate (0-0-47): 0～30 mass parts;
5% is reacted into membranous type coating Repone K (0-0-58): 0～25 mass parts;
6% is reacted into membranous type coating Repone K (0-0-57): 0～30 mass parts;
Composite fertilizer (15-15-15): 0～15 mass parts;
Urea (46-0-0): 10～30 mass parts;
Diammonium phosphate (16-48-0): 0～15 mass parts;
Repone K (0-0-60): 0～35 mass parts;
Potassium sulfate (0-0-50): 0～35 mass parts;
Complex state trace element fertilizer (trace element >=2%): 0～1 mass parts.
Numerical value in each component bracket is the routine mark of nutrient content in fertilizer above, i.e. the mass percentage content of N, P, K (in nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide).In said components, the nutrient supply speed of synchronous nutrient fertilizer is to control by membrane wrapping thickness (mass percent that accounts for core core fertilizer according to coated fertilizer represents), as above-mentioned 3%, 4%, 5%, 6% coated with resin fertilizer just refers to that nutrient supply phase or fertilizer efficiency period are respectively the release and release control fertilizer of 30～40d, 50～60d, 80～90d, 120～130d.
The synchronous nutrient fertilizer of described high potassium formula comprises high potassium type base fertilizer and suitable resin coated controlled release component with it; Described high potassium type base fertilizer comprises the high K composite fertilizer of urea nitrogen, nitric nitrogen, ammonium nitrogen, orthophosphoric acid salt, potassium sulfate or Repone K or nitrogen, phosphorus, potassium simple substance granulated fertilizer, and nutrients ratio formula is that 3:1:6(refers to N:P
2o5:K
2the mass ratio of O); Described resin coated controlled release component comprises 3% resin coated urea, 4% coated with resin Repone K, 4% coated with resin potassium sulfate, 5% resin coated urea, 6% coated with resin Repone K and 6% coated with resin potassium sulfate.
Preferably, the synchronous nutrient fertilizer of described high potassium formula comprises following each component:
3% resin coated urea (44.5-0-0): 0～10 mass parts;
4% resin coated urea (44-0-0): 5～10 mass parts;
5% resin coated urea (43.5-0-0): 0～10 mass parts;
5% coated with resin Repone K (0-0-57): 0～5 mass parts;
6% coated with resin Repone K (0-0-56.5): 0～10 mass parts;
Urea (46-0-0): 10～20 mass parts;
Two ammoniums (16-48-0): 0～15 mass parts;
Repone K (0-0-60): 30～50 mass parts;
Potassium sulfate (0-0-50): 0～50 mass parts;
Composite fertilizer (15-15-15): 0～15 mass parts;
Complex state trace element fertilizer (trace element >=2%): 0～1 mass parts.
Numerical value in each component bracket is the routine mark of nutrient content in fertilizer above, i.e. the mass percentage content of N, P, K (in nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide).In said components, the nutrient supply speed of synchronous nutrient fertilizer is by membrane wrapping thickness control, the mass percent that membrane wrapping thickness accounts for core core fertilizer according to coated fertilizer represents, as above-mentioned 3%, 4%, 5%, 6% coated with resin fertilizer just refers to that nutrient supply phase or fertilizer efficiency period are respectively the release and release control fertilizer of 30～40d, 50～60d, 80～90d, 120～130d.
The synchronous nutrient fertilizer of described balanced formula comprises balanced type base fertilizer and suitable resin coated controlled release component with it; Described balanced type base fertilizer comprises the high K composite fertilizer of urea nitrogen, nitric nitrogen, ammonium nitrogen, orthophosphoric acid salt, potassium sulfate or nitrogen, phosphorus, potassium simple substance granulated fertilizer, and nutrients ratio formula is that 1:1:1(refers to N:P
2o
5: K
2the mass ratio of O); Described resin coated controlled release component comprises 3%, 4%, 5% resin coated urea and 5%, 6% coated with resin Repone K; Or comprise 3%, 4%, 5% resin coated urea and 5%, 6% coated with resin potassium sulfate.
Preferably, the synchronous nutrient fertilizer of described balanced formula comprises following each component:
3% resin coated urea (44.5-0-0): 0～10 mass parts;
4% resin coated urea (44-0-0): 5～10 mass parts;
5% resin coated urea (43.5-0-0): 0～10 mass parts;
5% coated with resin Repone K (0-0-57): 0～5 mass parts;
6% coated with resin Repone K (0-0-56.5): 0～5 mass parts;
Urea (46-0-0): 0～15 mass parts;
Two ammoniums (16-48-0): 0～10 mass parts;
Repone K (0-0-60): 0～20 mass parts
Potassium sulfate (0-0-50): 0～30 mass parts;
Composite fertilizer (15-15-15): 0～15 mass parts;
Complex state trace element fertilizer (trace element >=2%): 0～1 mass parts.
Numerical value in each component bracket is the routine mark of nutrient content in fertilizer above, i.e. the mass percentage content of N, P, K (in nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide).In said components, the nutrient supply speed of synchronous nutrient fertilizer is to control by membrane wrapping thickness (mass percent that accounts for core core fertilizer according to coated fertilizer represents), as above-mentioned 3%, 4%, 5%, 6% coated with resin fertilizer just refers to that nutrient supply phase or fertilizer efficiency period are respectively the release and release control fertilizer of 30～40d, 50～60d, 80～90d, 120～130d.
Resin coated controlled release fertilizer raw material in above-mentioned all raw materials adopts commercially available currently available products, wherein: 5% coated with resin potassium sulfate refers to that coating layer quality is 5% of total mass, and for example product type is CRF-SOP-3M(0-0-47.5); 6% coated with resin potassium sulfate refers to that coating layer quality is 6% of total mass, and for example product type is CRF-SOP-3M(0-0-47).5% coated with resin Repone K refers to that coating layer quality is 4% of total mass, and for example product type is CRF-MOP-3M(0-0-57); 6% coated with resin Repone K refers to that coating layer quality is 6% of total mass, and for example product type is CRF-MOP-4M(0-0-56.5).3% resin coated urea refers to that coating layer quality is 3% of total mass, and for example product type is CRF-PCU-1M(44.5-0-0); 4% resin coated urea refers to that coating layer quality is 4% of total mass, and for example product type is CRF-PCU-2M(44-0-0); 6% resin coated urea refers to that coating layer quality is 6% of total mass, and for example product type is CRF-PCU-3M(43-0-0).
The preparation method of described synchronous nutrient fertilizer is according to formula, coated fertilizer close above-mentioned particle diameter, non-coated granular fertilizer to be put into single bag metering blender to stir and fully mix and pack manufacture.
The present invention sums up through long-term a large amount of experimental study and creationary analysis, according to the common ground of various crops nutrient demand within breeding time, by synchronous nutrient nutriment in a fertilizer for four kinds of synchronous nutrients formula base fertilizers, then according to the nutrient demand at each growing stage to target crop, taking described four kinds of formula base fertilizers as raw material, preparation conforms with the special synchronous nutrition fertilizer of target crop demand, the fertilizer efficiency period of described synchronous nutrient fertilizer was controlled at about 2～3 months, realize the single-dose application requirement of the field crop shorter to breeding time, realize topdressing for few time of or perennial cash crop long for breeding time.
Compared with prior art, beneficial effect of the present invention is as follows:
(1) technical scheme provided by the invention changes the technology set of existing release and release control fertilizer, has significantly increased the intension of release and release control fertilizer.Prior art is the release that is only confined to control nutrient in fertilizer about the design of synchronous nutrient fertilizer, simple its aspect that extends time for fertilizer, the present invention is extended to the theory of release and release control fertilizer the time for fertilizer that not only delays fertilizer, but it is substantially identical to control the demand of the nutritive element such as nitrogen, phosphorus, potassium of the release of nutrient in fertilizer or the ratio of supply rate, supply quantity, supply nitrogen, phosphorus, potassium and middle trace element and crop each breeding time.
(2) the present invention has creatively proposed the technical thought of new formula fertilizer, ensures that synchronous nutrient fertilizer is more suitable for plant growth.Prior art is often confined to the npk nutrient ratio of base manure (base fertilizer) agrees with mutually with the demand percentage in crop prometaphase about formula fertilizer, because fertilizer efficiency period is short, often needs, according to crop growth period, the difference of nutrient demand is imposed to fertilizer.And synchronous nutrient fertilizer has not only been accomplished to conform with crop demand by nutrients ratio can also to control the demands such as the ratio of the nutritive elements such as the release of nutrient in fertilizer or supply rate, supply quantity, supply nitrogen, phosphorus, potassium and the nitrogen of crop each breeding time, phosphorus, potassium substantially identical simultaneously.
(3) the present invention has proposed the technical scheme of the fertile base fertilizer of synchronous nutrient first.According to the summary to all types of crop nutrition content demand rules and analysis, high nitrogen, high nitrogen potassium, high potassium, balanced four large basic components fertilizer thoughts have been proposed, and coordinate with the organic of resin coated controlled release component by four basic components fertilizer, solve the only corresponding a kind of or class crop limitation of nutritional needs throughout one's life of current a kind of formula fertilizer.In production practice, agricultural technology extension department can adjust and recombinate basic components fertilizer of the present invention according to the kind of endemic species plant, climatic characteristic, soil fertility, form the special synchronous nutrition fertilizer that is applicable to local crop each Major Nutrient stage in all one's life, thereby with the breakthrough of the fat existing formula fertilizer correspondence of synchronous nutrient, the problem such as productivity, manure resources waste of avoiding the corresponding a kind of crop of a kind of formula fertilizer to cause.
(4) reduce fertilizer application frequency, greatly save artificial.The fertilizer efficiency period of synchronous nutrient fertilizer of the present invention generally, about three months, meets short field crop single-dose application in vegetative period, can realize grow vegetative period or perennial cash crop (as: fruit tree) few inferior topdressing in all one's life.Greatly reduce fertilizer application frequency, saved fertilising cost of labor, improved economic benefit, had broad application prospects.
(5) production process cleanliness without any pollution
Film-coated controlled release fertilizer of the present invention belongs to and is reacted into membranous type coating controlled-release fertilizer taking vegetables oil as main raw material, and film-coated controlled release fertilizer manufacturing processed is without solvent, cleanliness without any pollution.Simultaneously coated fertilizer is taking vegetables oil and solidifying agent as main raw, and in soil, easily degraded can not cause secondary pollution.
Brief description of the drawings
The affect result of Fig. 1 synchronous nutrient fertilizer on Hainan Le Dong embodiment and reference examples banana production;
The affect result of Fig. 2 synchronous nutrient fertilizer on Beihai Fisheries Base Guangxi Province embodiment and reference examples banana production;
The affect result of Fig. 3 synchronous nutrient fertilizer on Period In Maoming embodiment and reference examples banana production;
The affect result of Fig. 4 synchronous nutrient fertilizer on Yunnan Ban Na embodiment and reference examples banana production.
Embodiment
Further describe the present invention below in conjunction with specific embodiment.For convenience of describing, in the embodiment of the present invention, select Shikefeng Chemical Co Ltd, Shandong and Shaanxi Pu Lete Controlled Release Fertilizer company limited to produce the corresponding product of selling, but therefore do not limit the scope of the invention.Resin coated controlled release fertilizer raw material adopts the commercially available product taking vegetables oil as main coated fertilizer.The method using in embodiment if no special instructions, is ordinary method; The material using if no special instructions, is the material that can obtain from commercial channels.
Embodiment
embodiment 1the preparation of high N series controlled release formulation
Take each component by following mass content: mass parts
3% resin coated urea (44.5-0-0): 2 mass parts
4% resin coated urea (44-0-0): 6 mass parts
5% resin coated urea (43.5-0-0): 3 mass parts
5% coated with resin Repone K (0-0-57): 3 mass parts
6% coated with resin Repone K (0-0-56.5): 3 mass parts
Urea (46-0-0): 32 mass parts
Two ammoniums (16-48-0): 17 mass parts
Repone K (0-0-60): 19 mass parts
Trace element in zinc boron magnesium: 2 mass parts
Filler: 12.5 mass parts
Amount to 100 mass parts.
The nutrient proportioning of above-mentioned controlled-release formula fertilizer, i.e. nitrogen (N), phosphorus (P in component
2o
5), potassium (K
2o) mass ratio control is: the analysis mode of 1:0.4:0.7 or nitrogen phosphorus potassium is 22-8-15.
The controlled release nutrients proportioning control of above-mentioned controlled-release formula fertilizer is: water-soluble nitrogen: fertilizer efficiency period 30d: fertilizer efficiency period 60: nitrogen=1:0.06:0.19:0.09 of fertilizer efficiency period 90 d, water-soluble potassium: the potassium of fertilizer efficiency period 90d: potassium=1:0.15:0.15 of fertilizer efficiency period 120d.Ensureing has more than 20% controlled release nitrogen in nitrogenous fertilizer, has more than 20% controlled release potassium in potash fertilizer.
Each component materials after weighing measurement is added in the fertile mixer of BB, and stir 3～5 minutes, it is fully mixed, then discharging be transferred to autometering packaging machine packaging final prod.
The selected material of the present invention requires: 1. particulate state and good fluidity; 2. particle diameter is within the scope of 3～5 millimeters, and even and various materials must be able to match; 3. material moisture≤1.5%; 4. more than amount of nutrients should be able to reach the nutrient content index having provided above.
embodiment 2the preparation of the high potassium series of middle nitrogen controlled-release formula fertilizer
Take each component by following mass content: mass parts
3% resin coated urea (44.5-0-0): 2 mass parts
4% resin coated urea (44-0-0): 6 mass parts
5% resin coated urea (43.5-0-0): 2.5 mass parts
5% coated with resin Repone K (0-0-57): 4 mass parts
6% coated with resin Repone K (0-0-56.5): 4.5 mass parts
Urea (46-0-0): 19 mass parts
Two ammoniums (16-48-0): 10.5 mass parts
Repone K (0-0-60): 33.5 mass parts
Trace element in zinc boron magnesium: 2 mass parts
Filler: 16.5 mass parts
Amount to 100 mass parts.
The nutrient proportioning of the high potassium controlled-release formula fertilizer of above-mentioned middle nitrogen, i.e. nitrogen (N), phosphorus (P in component
2o
5), potassium (K
2o) mass ratio control is: the analysis mode of 1:0.33:1.67 or nitrogen phosphorus potassium is 15-5-25.
The controlled release nutrients proportioning control of the high potassium controlled-release formula fertilizer of above-mentioned middle nitrogen is: water-soluble nitrogen: fertilizer efficiency period 30d: fertilizer efficiency period 60d: nitrogen=1:0.10:0.29:0.12 of fertilizer efficiency period 90 d, water-soluble potassium: the potassium of fertilizer efficiency period 90d: potassium=1:0.113:0.126 of fertilizer efficiency period 120d.Ensureing has more than 30% controlled release nitrogen in nitrogenous fertilizer, has more than 20% controlled release potassium in potash fertilizer.
Each component materials after weighing measurement is added in the fertile mixer of BB, and stir 3～5 minutes, it is fully mixed, then packing cost invention product.
The selected material of the present invention requires: 1. particulate state and good fluidity; 2. particle diameter is within the scope of 3～5 millimeters, and even and various materials must be able to match; 3. material moisture≤1.5%; 4. amount of nutrients should be able to reach provided above divide figureofmerit containing nutrition more than.
embodiment 3the preparation of high potassium series controlled-release formula fertilizer
Take each component by following mass content: mass parts
3% resin coated urea (44.5-0-0): 2 mass parts
4% resin coated urea (44-0-0): 3 mass parts
5% coated with resin Repone K (0-0-57): 8 mass parts
Urea (46-0-0): 13 mass parts
Two ammoniums (16-48-0): 10.5 mass parts
Repone K (0-0-60): 42.5 mass parts
Trace element in zinc boron magnesium: 2 mass parts
Filler: 19 mass parts
Amount to 100 mass parts.
The nutrient proportioning of above-mentioned controlled-release formula fertilizer, i.e. nitrogen (N), phosphorus (P in component
2o
5), potassium (K
2o) mass ratio control is: the analysis mode of 1:0.5:3 or nitrogen phosphorus potassium is 10-5-30.
The controlled release nutrients proportioning control of above-mentioned controlled-release formula fertilizer is: water-soluble nitrogen: fertilizer efficiency period 30d: nitrogen=1:0.14:0.21 of fertilizer efficiency period 50d, water-soluble potassium: potassium=1:0.18 of fertilizer efficiency period 90d.Ensureing has more than 22% controlled release nitrogen in nitrogenous fertilizer, has more than 15% controlled release potassium in potash fertilizer.
Each component materials after weighing measurement is added in the fertile mixer of BB, and stir 3～5 minutes, it is fully mixed, then packing cost invention product.
The selected material of the present invention requires: 1. particulate state and good fluidity; 2. particle diameter is within the scope of 3～5 millimeters, and even and various materials must be able to match; 3. material moisture≤1.5%; 4. amount of nutrients should be able to reach provided above divide figureofmerit containing nutrition more than.
embodiment 4the preparation of balanced serial controlled-release formula fertilizer
Take each component by following mass content: mass parts
3% resin coated urea (44.5-0-0): 3 mass parts
4% resin coated urea (44-0-0): 3 mass parts
5% resin coated urea (44-0-0): 3 mass parts
5% coated with resin Repone K (0-0-57): 3 mass parts
6% coated with resin Repone K (0-0-56.5): 3 mass parts
Urea (46-0-0): 13 mass parts
Two ammoniums (16-48-0): 31.5 mass parts
Repone K (0-0-60): 19.5 mass parts
Trace element in zinc boron magnesium: 2 mass parts
Filler: 19 mass parts
Amount to 100 mass parts.
The nutrient proportioning of above-mentioned controlled-release formula fertilizer, i.e. nitrogen (N), phosphorus (P in component
2o
5), potassium (K
2o) mass ratio control is: the analysis mode of 1:1:1 or nitrogen phosphorus potassium is 15-15-15.
The controlled release nutrients proportioning control of above-mentioned controlled-release formula fertilizer is: water-soluble nitrogen: fertilizer efficiency period 30d: fertilizer efficiency period 50d: nitrogen=1:0.12:0.12:0.12 of fertilizer efficiency period 60d, water-soluble potassium: the potassium of fertilizer efficiency period 90d: potassium=1:0.15:0.15 of fertilizer efficiency period 120d.Ensureing has more than 26% controlled release nitrogen in nitrogenous fertilizer, has more than 22% controlled release potassium in potash fertilizer.
Each component materials after weighing measurement is added in the fertile mixer of BB, and stir 3～5 minutes, it is fully mixed, then packing cost invention product.
The selected material of the present invention requires: 1. particulate state and good fluidity; 2. particle diameter is within the scope of 3～5 millimeters, and even and various materials must be able to match; 3. material moisture≤1.5%; 4. amount of nutrients should be able to reach provided above divide figureofmerit containing nutrition more than.
embodiment 5the application example of controlled-release formula fertilizer
The applicant since two thousand eight, in Guangdong, Guangxi, Hainan, Fujian, Yunnan etc. economize the producing regions such as multiple bananas, has carried out the field demonstration test of above-mentioned synchronous nutrient fertilizer and has applied.The research experiment result of multiple years shows that it uses respectively balanced type, high nitrogen type, the high potassium type of middle nitrogen, high potassium type controlled-release formula fertilizer at the fruit tree base manure such as banana, pineapple, sugarcane, granulated sugar tangerine, lichee, longan, mango, seedling stage, growth animated period, fruit development, the crop that can coincide is well the nutrient demand in three Major Nutrient stages throughout one's life, realize synchronous nutrient, obtain highly efficient and productive and precocious effect.Experimental result can not be enumerated one by one in the present embodiment, the cultivation of plants experiment of selecting banana and these two kinds of growing nutrient demands of tobacco to differ far away illustrates the present invention as an example, but does not therefore limit the scope of the invention.
Experiment showed, in banana and tobacco cultivation, use synchronous nutrient fertilizer of the present invention, greatly simplified fertilizer practice, it is artificial 70% that saving is topdressed, and banana precocity 20～30 days, only topdresses 4 vegetative period, break ground few, do not hinder root, significantly reduce soil-borne disease and propagate and occur.
(1) banana cultivation experiments
1. the base manure of banana transplanting time
Test site: the ground such as Le Dong Jianfengling town, Hainan Province, east overseas Chinese farm, Lingao, white sand, Beihai Fisheries Base Guangxi Province, Nanning, west, Yunnan version, Fujian.
Test period: 2008～2011 years
Banana variety: Brazilian Banana
For trying soil: silty loam, loam, clay loam
Base manure scheme: embodiment fertilizer sample and two processing of comparative example are chosen in this test.Comparative example is common water soluble fertilizer (banana peasant is accustomed to fertile), and nutrients ratio is 1:1:1, and 100g chemical fertilizer and 500～1000g fertilizer are used in every strain.The present embodiment is according to the principle that waits fertilizer cost, and Fertilizer application amount is than the corresponding minimizing of comparative example (approximately having reduced 30%～50%).In the time that transplanting, uses in banana the harmonious controlled-release formula fertilizer of 50g control release urea or 100g.Comparative example adopts local conventional water soluble fertilizer management method, within every 6～7 days before topdressing for the first time, also sprays one time Liquid Fertilizer, and embodiment only sprays clear water at the same time.
banana topdresses seedling stage
Test site: the ground such as Le Dong Jianfengling town, Hainan Province, east overseas Chinese farm, Lingao, white sand, Beihai Fisheries Base Guangxi Province, Nanning, west, Yunnan version, Fujian.
Test period: 2008～2011 years
Banana variety: Brazilian Banana
For trying soil: silty loam, loam, clay loam
The scheme of topdressing seedling stage: embodiment fertilizer sample and two processing of comparative example are chosen in this test.Comparative example is common water soluble fertilizer (banana peasant be accustomed to fertile), and nutrients ratio is 1:0.5:1, after transplanting first 3 months, and every strain banana monthly imposes 2～3 times, uses 0.05～0.10kg at every turn, subtotal 0.35～0.5kg; Embodiment is according to the principle that waits fertilizer cost, and Fertilizer application amount is than the corresponding minimizing of comparative example (approximately having reduced 35%～55%).Embodiment nourishes and grows early stage (7～8 leaves) banana, and the dedicated release-controlled formula fertilizer 0.225kg of high nitrogen series is used in every strain.In comparative example and embodiment contemporaneity, the number of times that topdresses of comparative example is than many 5～8 times of embodiment.Comparative example and the embodiment Banana Growth in is in the same period grown and be there is no statistical difference.Test-results is in shown in Table 1-1～table 1-4.
The impact of the high nitrogen controlled-release formula fertilizer of table 1-1 on Hainan Le Dong embodiment and reference examples banana seedling growth
The impact of the high nitrogen controlled-release formula fertilizer of table 1-2 on Beihai Fisheries Base Guangxi Province embodiment and reference examples banana seedling growth
The impact of the high nitrogen controlled-release formula fertilizer of table 1-3 on Period In Maoming embodiment and reference examples banana seedling growth
The impact of the high nitrogen controlled-release formula fertilizer of table 1-4 on Yunnan Ban Na embodiment and reference examples banana seedling growth
Result shows, compares with comparative example, uses high nitrogen type controlled-release formula fertilizer of the present invention to impose 1 time seedling stage at banana, imposes 6～9 compared with this with comparative example, the not significant impact of stem girth, plant height, leaf area and the number of blade on vigorous period banana.Illustrate at banana and use high nitrogen controlled-release formula fertilizer seedling stage, simplified the technology of conventional fertilizer application, in first 2～3 months seedling stages after banana is transplanted, only need impose 1 time controlled-release formula fertilizer, compared with and Routine Management has been saved the labor force who imposes greatly.In addition, the chemical fertilizer total amount of using the processing of high nitrogen controlled-release formula fertilizer seedling stage has reduced by 35～55% compared with conventional processing, has both saved banana peasant's fertilizer investment, has saved again national resources, has reduced the risk that causes environmental pollution because excessively using chemical fertilizer.
the vigorous vegetative phase topdresses
Test site: the ground such as Le Dong Jianfengling town, Hainan Province, east overseas Chinese farm, Lingao, white sand, Beihai Fisheries Base Guangxi Province, Nanning, west, Yunnan version, Fujian.
Test period: 2008～2011 years
Banana variety: Brazilian Banana
For trying soil: silty loam, loam, clay loam
The scheme of topdressing of vigorous vegetative phase: embodiment fertilizer sample and two processing of comparative example are chosen in this test.Comparative example is common water soluble fertilizer (banana peasant is accustomed to fertile), and nutrients ratio is 1:0.3:2, transplants latter 4th month to 5th month, and every strain banana monthly imposes 2～3 times, uses 0.15～0.2kg at every turn, subtotal 0.60～0.80kg; Embodiment is according to the principle that waits fertilizer cost, and Fertilizer application amount is than the corresponding minimizing of comparative example (approximately having reduced 20%～40%).Embodiment is in the vigorous vegetative growth phase of banana (15～18 leaves), and dedicated release-controlled formula fertilizer 0. 50kg of high nitrogen series is used in every strain.In comparative example and embodiment contemporaneity, the number of times that topdresses of comparative example is than many 3～5 times of embodiment.Comparative example and the embodiment Banana Growth in is in the same period grown and be there is no statistical difference.Test-results is in shown in Table 2-1～table 2-4.
The impact of the high nitrogen controlled-release formula fertilizer of table 2-1 on Hainan Le Dong embodiment and reference examples banana seedling growth
The impact of the high nitrogen controlled-release formula fertilizer of table 2-2 on Beihai Fisheries Base Guangxi Province embodiment and reference examples banana seedling growth
The impact of the high nitrogen controlled-release formula fertilizer of table 2-3 on Period In Maoming embodiment and reference examples banana seedling growth
The impact of the high nitrogen controlled-release formula fertilizer of table 2-4 on Yunnan Ban Na embodiment and reference examples banana seedling growth
Result shows, compare with comparative example, use the high potassium type of middle nitrogen of the present invention controlled-release formula fertilizer at banana nourishing body vigorous period and impose 1 time, impose compared with 4～6 times with comparative example, the not significant impact of stem girth, plant height, leaf area and the number of blade on pregnant flower bud phase banana.The high potassium controlled-release formula fertilizer of nitrogen in banana seedlings vigorous period only imposes 1 time is described, not only simplify the technology of conventional fertilizer application, greatly saved the labor force who imposes, and the chemical fertilizer total amount that banana seedlings vigorous period is used the processing of the high potassium controlled-release formula fertilizer of middle nitrogen has reduced by 20～40% compared with conventional processing, both saved banana peasant's fertilizer investment, save again national resources, reduced the risk that causes environmental pollution because excessively using chemical fertilizer.
the pregnant flower bud phase topdresses
Test site: the ground such as Le Dong Jianfengling town, Hainan Province, east overseas Chinese farm, Lingao, white sand, Beihai Fisheries Base Guangxi Province, Nanning, west, Yunnan version, Fujian.
Test period: 2008～2011 years
Banana variety: Brazilian Banana
For trying soil: silty loam, loam, clay loam
The scheme of topdressing of pregnant flower bud phase: embodiment fertilizer sample and two processing of comparative example are chosen in this test.Comparative example is common water soluble fertilizer (banana peasant is accustomed to fertile), and nutrients ratio is 1:0.3:2.5, transplants latter 6th month to 7th month, and every strain banana monthly imposes 2～3 times, uses 0.25 ~ 0.35kg at every turn, subtotal 0.50～0.70kg; Embodiment is only in the pregnant flower bud later stage or take out and impose a high potassium controlled release formulation of nitrogen (15-5-25) flower bud early stage (25～28 leaves), and 0.39kg is used in every strain, and Fertilizer application amount is than the corresponding minimizing of comparative example (approximately having reduced 24%～45%).In contemporaneity, the number of times that topdresses of comparative example is than many 1～2 time of embodiment.Comparative example and the embodiment Banana Growth in is in the same period grown and be there is no statistical difference.Test-results is in shown in Table 3-1～3-4 table.
The impact of the high nitrogen controlled-release formula fertilizer of table 3-1 on Hainan Le Dong embodiment and reference examples banana seedling growth
The impact of the high nitrogen controlled-release formula fertilizer of table 3-2 on Beihai Fisheries Base Guangxi Province embodiment and reference examples banana seedling growth
The impact of the high nitrogen controlled-release formula fertilizer of table 3-3 on Period In Maoming embodiment and reference examples banana seedling growth
The impact of the high nitrogen controlled-release formula fertilizer of table 3-4 on Yunnan Ban Na embodiment and reference examples banana seedling growth
Result shows, compares with comparative example, uses the high potassium type of middle nitrogen of the present invention controlled-release formula fertilizer impose 1 time in the pregnant flower bud of the banana later stage, imposes compared with 2 times the not significant impact of stem girth, plant height, leaf area and the number of blade on banana with comparative example.The high potassium controlled-release formula fertilizer of nitrogen in the pregnant flower bud of the banana later stage only imposes 1 time is described, not only simplify the technology of conventional fertilizer application, greatly saved the labor force who imposes, and the chemical fertilizer total amount that the pregnant flower bud later stage of banana is used the processing of the high potassium controlled-release formula fertilizer of middle nitrogen has reduced by 22～45% compared with conventional processing, both saved banana peasant's fertilizer investment, save again national resources, reduced the risk that causes environmental pollution because excessively using chemical fertilizer.
the young fruit period phase topdresses
Test site: the ground such as Le Dong Jianfengling town, Hainan Province, east overseas Chinese farm, Lingao, white sand, Beihai Fisheries Base Guangxi Province, Nanning, west, Yunnan version, Fujian.
Test period: 2008～2011 years
Banana variety: Brazilian Banana
For trying soil: silty loam, loam, clay loam
The scheme of topdressing of pregnant flower bud phase: embodiment fertilizer sample and two processing of comparative example are chosen in this test.Comparative example is common water soluble fertilizer (banana peasant is accustomed to fertile), and nutrients ratio is 1:0.3:3, transplants latter 7th month to 8th month, and every strain banana monthly imposes 2 times, uses 0.10～0.20kg at every turn, subtotal 0.25～0.40kg; Embodiment only imposes once high potassium controlled release formulation (15-5-30) in the shaft phase, and 0.15kg is used in every strain, and Fertilizer application amount is than the corresponding minimizing of comparative example (approximately having reduced 40%～60%).In contemporaneity, the number of times that topdresses of comparative example is than many 2～4 times of embodiment.
impose banana throughout one's life the impact on fruit ear output of 4 controlled-release formula fertilizers
Comparative example and embodiment are in banana whole vegetative period, topdress according to above-mentioned nutrient management implementation, although only impose 4 fertilizer and comparative example imposes 14～21 times taking out flower bud early stage embodiment, Banana Growth economical character is had no significant effect to (without statistical difference), but synchronous nutrient fertilizer (embodiment) is processed in every fringe output of banana harvesting time and is obviously greater than comparative example.Test-results is shown in shown in accompanying drawing 1～4.
Result shows, compare with comparative example, transplant its synchronous nutrient fertilizer being formed by balanced type controlled-release formula fertilizer, high nitrogen type controlled-release formula fertilizer, middle nitrogen high potassium type controlled-release formula fertilizer and high potassium type controlled-release formula fertilizer in using the present invention to shaft at banana, and respectively in seedling stage, pregnant flower bud phase, take out before flower bud, young fruit period imposes respectively 1 time, monthly impose compared with 2～3 times with comparative example, the output that can significantly increase banana, units increased in production is 12%～19% on average.Illustrate at synchronous nutrient fertilizer in the situation that can simplifying fertilising, again can increasing both production and income.Synchronous nutrient fertilizer is the fertilizer of light letter fertilising and high-yield and high-efficiency fertilising.
(2) tobacco cultivation experiment
1. the application effect of synchronous nutrient fertilizer on tobacco
Test site: Nanxiong City of Guangdong Province; Test period: 2008～2010 years
Tobacco bred: K326; For trying soil: purple soil is grown and next rice soil
Testing program: 5 embodiment and two processing of 1 comparative example are established in this test.Comparative example is common fertilizer special for tobacco, and nutrients ratio is 1:0.6:1.3, every mu of 50 kilograms of fertilizer amounts; Embodiment 1～5 selects balanced type and the high potassium type controlled-release formula fertilizer of above-mentioned synchronous nutrient fertilizer, and according to etc. the principle fertilising of fertilizer cost, every mu of 40 kilograms of fertilizer amounts.Embodiment 1～5 transplants and applies as base manure using balanced type controlled-release formula fertilizer (account for total fertile amount 40%) for front 1～2 day in cigarette strain, impose in group's phase to prosperous long-term centre high potassium type controlled-release formula fertilizer (account for total fertile measure 60%); In comparative example, 30% fertilizer is to be that base manure applies transplanting previous crops, and 40% and 30% is respectively in group's phase and prosperously imposes for a long time, and the mode of topdressing is that spread fertilizer over the fields on earth's surface.Test-results is shown in Table 4.
The impact of table 4 synchronous nutrient fertilizer on yield of flue-cured tobacco and potassium content
| Process | Yield of flue-cured tobacco (kg/ mu) | Stimulation ratio (%) | Flue-cured tobacco potassium content (%) | Potassium content rate of increase (%) |
| Comparative example | 216 | 2.21 | ||
| Embodiment 1 | 217.4 | 0.65 | 2.44 | 10.41 |
| Embodiment 2 | 241.5 | 11.81 | 2.66 | 20.36 |
| Embodiment 3 | 245.4 | 13.61 | 2.98 | 34.84 |
| Embodiment 4 | 226.1 | 4.68 | 2.55 | 15.38 |
| Embodiment 5 | 249.8 | 15.65 | 3.2 | 44.80 |
Result shows, compares with comparative example, and using the equilibrium of synchronous nutrient fertilizer of the present invention and high potassium type controlled-release formula fertilizer has all increased the output of tobacco leaf to a certain extent.Wherein the effect of increasing production of embodiment 5, embodiment 3 and embodiment 2 is the most remarkable, and every mu increases respectively 33.80 kilograms of flue-cured tobaccos, 29. 4 kilograms and 25. 5 kilograms, and stimulation ratio is up to 15.65%, 13.61% and 11.81%.Meanwhile, use synchronous nutrient controlled-release formula fertilizer and also significantly improved the potassium content in flue-cured tobacco, the potassium content of embodiment 1,2,3,4,5 respectively comparative example obviously increases.Therefore, the combined administration of synchronous nutrient fertilizer has promoted the absorption of cigarette strain to potassium, has obviously improved the quality of flue-cured tobacco.Use controlled-release formula fertilizer in producing and applying, to realize tobacco simultaneously and simplify fertilising, reduced the input of labor cost.In addition, use input that synchronous nutrient fertilizer reduced fertilizer nutrient, saved national resources, reduced the risk that causes environmental pollution because excessively using chemical fertilizer.
Claims (3)
1. a synchronous nutrient fertilizer, is characterized in that comprising the synchronous nutrient fertilizer of high nitrogen, the high potassium of middle nitrogen, high potassium and balanced four kinds of formulas;
The preparation of the controlled release formulation of high nitrogen synchronous nutrient fertilizer
Take each component by following mass content: mass parts
3% resin coated urea 44.5-0-0:2 mass parts
4% resin coated urea 44-0-0:6 mass parts
5% resin coated urea 43.5-0-0:3 mass parts
5% coated with resin Repone K 0-0-57:3 mass parts
6% coated with resin Repone K 0-0-56.5:3 mass parts
Urea 46-0-0:32 mass parts
Two ammonium 16-48-0:17 mass parts
Repone K 0-0-60:19 mass parts
Trace element in zinc boron magnesium: 2 mass parts
Filler: 12.5 mass parts;
The nutrient proportioning of above-mentioned controlled-release formula fertilizer, i.e. nitrogen N, phosphorus P in component
2o
5, potassium K
2the control of O mass ratio is: the analysis mode of 1:0.4:0.7 or nitrogen phosphorus potassium is 22-8-15;
The controlled release nutrients proportioning control of above-mentioned controlled-release formula fertilizer is: water-soluble nitrogen: fertilizer efficiency period 30d: fertilizer efficiency period 60d: nitrogen=1:0.06:0.19:0.09 of fertilizer efficiency period 90 d, water-soluble potassium: the potassium of fertilizer efficiency period 90d: potassium=1:0.15:0.15 of fertilizer efficiency period 120d;
The preparation of the controlled-release formula fertilizer of the high potassium of middle nitrogen:
Take each component by following mass content: mass parts
3% resin coated urea 44.5-0-0:2 mass parts
4% resin coated urea 44-0-0:6 mass parts
5% resin coated urea 43.5-0-0:2.5 mass parts
5% coated with resin Repone K 0-0-57:4 mass parts
6% coated with resin Repone K 0-0-56.5:4.5 mass parts
Urea 46-0-0:19 mass parts
Two ammonium 16-48-0:10.5 mass parts
Repone K 0-0-60:33.5 mass parts
Trace element in zinc boron magnesium: 2 mass parts
Filler: 16.5 mass parts;
The nutrient proportioning of the high potassium controlled-release formula fertilizer of above-mentioned middle nitrogen, i.e. nitrogen N, phosphorus P in component
2o
5, potassium K
2the control of O mass ratio is: the analysis mode of 1:0.33:1.67 or nitrogen phosphorus potassium is 15-5-25;
The controlled release nutrients proportioning control of the high potassium controlled-release formula fertilizer of above-mentioned middle nitrogen is: water-soluble nitrogen: fertilizer efficiency period 30d: fertilizer efficiency period 60d: nitrogen=1:0.10:0.29:0.12 of fertilizer efficiency period 90 d, water-soluble potassium: the potassium of fertilizer efficiency period 90d: potassium=1:0.113:0.126 of fertilizer efficiency period 120d;
The preparation of the controlled-release formula fertilizer of high potassium:
Take each component by following mass content: mass parts
3% resin coated urea 44.5-0-0:2 mass parts
4% resin coated urea 44-0-0:3 mass parts
5% coated with resin Repone K 0-0-57:8 mass parts
Urea 46-0-0: 13 mass parts
Two ammonium 16-48-0:10.5 mass parts
Repone K 0-0-60:42.5 mass parts
Trace element in zinc boron magnesium: 2 mass parts
Filler: 19 mass parts
Amount to 100 mass parts;
The nutrient proportioning of above-mentioned controlled-release formula fertilizer, i.e. nitrogen N, phosphorus P in component
2o
5, potassium K
2the control of O mass ratio is: the analysis mode of 1:0.5:3 or nitrogen phosphorus potassium is 10-5-30;
The controlled release nutrients proportioning control of above-mentioned controlled-release formula fertilizer is: water-soluble nitrogen: fertilizer efficiency period 30d: nitrogen=1:0.14:0.21 of fertilizer efficiency period 50d, water-soluble potassium: potassium=1:0.18 of fertilizer efficiency period 90d;
The preparation of balanced controlled-release formula fertilizer:
Take each component by following mass content: mass parts
3% resin coated urea 44.5-0-0:3 mass parts
4% resin coated urea 44-0-0:3 mass parts
5% resin coated urea 44-0-0:3 mass parts
5% coated with resin Repone K 0-0-57:3 mass parts
6% coated with resin Repone K 0-0-56.5:3 mass parts
Urea 46-0-0: 13 mass parts
Two ammonium 16-48-0:31.5 mass parts
Repone K 0-0-60:19.5 mass parts
Trace element in zinc boron magnesium: 2 mass parts
Filler: 19 mass parts
Amount to 100 mass parts;
The nutrient proportioning of above-mentioned controlled-release formula fertilizer, i.e. nitrogen N, phosphorus P in component
2o
5, potassium K
2the control of O mass ratio is: the analysis mode of 1:1:1 or nitrogen phosphorus potassium is 15-15-15;
The controlled release nutrients proportioning control of above-mentioned controlled-release formula fertilizer is: water-soluble nitrogen: fertilizer efficiency period 30d: fertilizer efficiency period 50d: nitrogen=1:0.12:0.12:0.12 of fertilizer efficiency period 60d, water-soluble potassium: the potassium of fertilizer efficiency period 90d: potassium=1:0.15:0.15 of fertilizer efficiency period 120d.
2. the preparation method of synchronous nutrient fertilizer described in claim 1, it is characterized in that according to the formula of each group of synchronous nutrient fertilizer, coated fertilizer close particle diameter, non-coated granular fertilizer being inserted in single bag metering blender and being stirred and fully mix rear packaging and get final product.
3. the application of synchronous nutrient fertilizer described in claim 1, is characterized in that being applied to the single fertilization of the field crop shorter to breeding time or the inferior aspect of topdressing less of or perennial cash crop long to breeding time.
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