CN108191493A - It is a kind of suitable for the slow-release fertilizer specially for wheat of yellowish soil and application - Google Patents

It is a kind of suitable for the slow-release fertilizer specially for wheat of yellowish soil and application Download PDF

Info

Publication number
CN108191493A
CN108191493A CN201810106995.8A CN201810106995A CN108191493A CN 108191493 A CN108191493 A CN 108191493A CN 201810106995 A CN201810106995 A CN 201810106995A CN 108191493 A CN108191493 A CN 108191493A
Authority
CN
China
Prior art keywords
wheat
pure
fertilizer
slow
formula
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810106995.8A
Other languages
Chinese (zh)
Inventor
孙学成
胡承孝
谭启玲
何灵芝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huazhong Agricultural University
Original Assignee
Huazhong Agricultural University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huazhong Agricultural University filed Critical Huazhong Agricultural University
Priority to CN201810106995.8A priority Critical patent/CN108191493A/en
Publication of CN108191493A publication Critical patent/CN108191493A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B7/00Fertilisers based essentially on alkali or ammonium orthophosphates
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilising, sowing or planting

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental Sciences (AREA)
  • Fertilizers (AREA)

Abstract

The present invention provides a kind of suitable for the slow-release fertilizer specially for wheat of yellowish soil and application, and weight percent of the effective element in terms of pure nutrient in the formula fertilizer is:Nitrogen:24‑26;Phosphorus pentoxide:10‑12;Potassium oxide:8‑10;Pure boron 0.05;Pure zinc:2‑3;Pure molybdenum:0.04‑0.06.The present invention not only allows for wheat uptake characters, also contemplate the rich scarce feature of wheat main producing region yellowish soil trace element, the elements such as appropriate boron, zinc, the molybdenum easily lacked supplemented with yellowish soil, it is with strong points, trace element abuse and intoxicating phenomenon is prevented to occur, simultaneously because formula realizes wheat time of infertility single fertilization using slow-release urea, it saves labor, is conducive to peasant's increasing both production and income.

Description

It is a kind of suitable for the slow-release fertilizer specially for wheat of yellowish soil and application
Technical field
The invention belongs to fertilizer to prepare with utilizing technical field, and in particular to a kind of slow-release wheat suitable for yellowish soil Special fertilizer and application.
Background technology
Wheat is the important cereal crops in China, and sown area and total yield are only second to rice and occupy second, in agricultural It is occupied an important position in production.It is the key that wheat increase yield synergy to apply fertilizers scientifically, and there are nitrogen phosphorus etc. during wheat fertilizing at present The problems such as using excess and serious disproportion, trace element addition blindness, top dressing often, this fertilizer application mode is not only easily led Environmental pollution and utilization rate of fertilizer is caused to decline, more manpower and materials costs is also expended, causes peasant economy decline in benefits.Exploitation Saving of labor saves the high fertilizer of sheet, utilization ratio, while it is to realize the good task of top priority of improving yield of wheat to simplify wheat fertilizing program.
China has a vast territory, and it is very extensive that wheat preferably plants range.At present, under China has been formd in Huang-Huai-Hai, the Changjiang river The 5 barley and wheat advantage production districts such as trip, southwest, northeast and northwest, the fertilizer specially for wheat currently used in production mainly have following several Class:One kind is wheat base fertilizer, base manure and the top dressing researched and developed according to the regulation of fertilizer requirement and growth phase of wheat, such as patent of invention Wheat nutrition set disclosed in spring wheat base fertilizer special fertilizer, patent of invention CN201010184175 etc. disclosed in CN201210267581 Meal fertilizer, this kind of fertilizer specially for wheat subsequently also wants top dressing 1-2 times other than application base manure, bothersome laborious, in face of agriculture increasingly in short supply Village labour, more and more inadaptable production need;Two classes are the wheats according to wheat regulation of fertilizer requirement and the preparation of dispensing release characteristics Special slow/controlled release composite fertilizer, as CN201110379195 disclose a kind of chitosan, sulfur coating wheat special controlled release fertilizer and its Preparation method although the Controlled Release Fertilizer nutrients release matches with wheat absorbing rule, and contains trace element chelated iron, non-root It is prepared according to specific soil types, the shortages problem such as some region trace element molybdenum, zinc, copper can not be corrected;For another example CN201210574371 announce wheat special slow release durable composite fertilizer preparation method, trace mineral supplement include iron, The components such as manganese, boron, copper, zinc and molybdenum, and not all soil is required for supplementing this 6 kinds of trace elements, blindly adds micro member Element easily causes the waste that poisoning symptom and manure resources occurs in wheat.Therefore, fertilizer specially for wheat formula will not only consider that wheat needs Fertile rule, it is also contemplated that the rich scarce feature of the especially middle trace element of the rich scarce feature of the nutrient of soil type, basic herein The needs of above passing through sustained-release and controlled release means, meeting the wheat time of infertility to nutrient is the direction of wheat fertilizing development from now on.
Yellowish soil is one of China middle and lower reach of Yangtze River and Huang-Huai-Hai area of wheat In The Soils and is that China is widely distributed Zonal soil, area is distributed mainly on the In The Low Mountain-hill Region of riverine two sides, including Hubei, lake up to 10,000,000 hectares The ground such as south, Jiangxi, Anhui, Jiangsu and Shan Nan, Southwest Henan, soil parent material be mainly Quaternary Period upper Pleistocene series yellowish-brown lam, The sedentary products such as sand shale, granite, granite gneiss, basalt.Hong Song etc. (2000) have studied Hubei, Hunan, Anhui and The content of trace element in 4 province such as Jiangsu, 129 pedotheques, the results showed that the Liable elements such as B, Zn, Mo in yellowish soil Content is low, generally less than the critical value of agricultural land soil B, Zn, Mo, illustrates that scarce B, Zn and Mo are extremely widespread on yellowish soil.In recent years, On yellowish soil the elements such as B, Zn, Mo shortage cause wheat yield, the report of quality decline be continuously increased (Hu Chengxiao etc., 1999;King Fortune China etc., 1990).In consideration of it, it is necessary to research and develop a kind of fertilizer specially for wheat suitable for yellowish soil.
Invention content
Soil types, the rich scarce feature of nutrient and the fertilizer of wheat main producing region are less considered for current fertilizer specially for wheat Rule, trace element addition blindly, top dressing often take a lot of work the problems such as laborious, the present invention provides a kind of suitable for yellowish soil Slow-release fertilizer specially for wheat preparation method and application, specific technical solution are as follows:
A kind of slow-release fertilizer specially for wheat being used for suitable for yellowish soil, the effective element in the formula fertilizer is with pure nutrient The weight percent of meter is:Nitrogen:24-26;Phosphorus pentoxide:10-12;Potassium oxide:8-10;Pure boron 0.05;Pure zinc:2-3;It is pure Molybdenum:0.04-0.06;Urea used is sulfur-coated urea in the formula, has slow-release function;Phosphorus pentoxide in the formula It is made of monoammonium phosphate or Diammonium phosphate (DAP) or calcium magnesium phosphate one or more therein;Pure B, Zn and Mo are respectively in the formula Borax, zinc sulfate and ammonium molybdate.
As preference:Weight percent of the effective element in terms of pure nutrient in the formula fertilizer be:Nitrogen:26;Five oxygen Change two phosphorus:10;Potassium oxide:10;Pure boron 0.05;Pure zinc:2;Pure molybdenum:0.05;Above-mentioned formula is converted into commodity chemical fertilizer or commodity system The quantity of goods produced of agent is selected from following substance (often producing 1 ton of special fertilizer meter):
Sulfur-coated urea 617kg
Monoammonium phosphate 161kg
Potassium chloride 167kg
Borax 5kg
White vitriol 9kg
Ammonium molybdate 1kg
Bentonite:40kg
Each raw material is put into togerther in blender and stirs 5- by slow-release fertilizer specially for wheat preparation method of the present invention 10 minutes, then the fertilizer mixed is measured, packed to obtain the final product by abundant mixing.
Fertilizer specially for wheat prepared by the present invention is applied on the ground wheat main producing region yellowish soil such as Henan, Hubei, uses per acre 50kg is measured, as base manure one-time use, is compared with local farmers habits fertilization, wheat yield averagely increases by 7.25%, nitrogen phosphorus The total input amount of potassium nutrition declines 16.4%.
The present invention has the positive effect that compared with prior art:
1. the present invention not only allows for wheat uptake characters, it is also contemplated that the rich of wheat main producing region yellowish soil trace element lacks The elements such as feature, appropriate boron, zinc, the molybdenum easily lacked supplemented with yellowish soil, it is with strong points, be conducive to increasing both production and income, prevent Trace element abuse and intoxicating phenomenon occur;
2. having used sulfur-coated urea in inventive formulation, there is sustained releasing character, meet Wheat During Later Period of Growth to nitrogen Demand, realize the entire breeding time single fertilization of wheat, simplify fertilization program, save labor, advantageously reduce cost of labor;
3. locality habits fertilization of the invention is compared, N P and K total nutrient input amount declines 16.4%-20%, yield volume increase width It spends for 2.05%-22.74%, realizes chemical fertilizer " decrement synergy " target of country's proposition, meet industry development demand.
Specific embodiment
Embodiment 1
First, wheat main producing region Investigation of Soil Nutrient
In Hubei when wheats main producing regions such as sun, Xiangyang, typical yellowish soil is selected to sample, reference《Soil Analysis in Agricultural Chemistry》 (Bao Shidan is edited, Chinese agriculture publishing house, in December, 2000 third edition) carries out analysis test, obtains when sun, Xiangyang testing site Physiochemical properties of soil (table 1).As it can be seen from table 1 effective molybdenum, effective boron and effective Zn content belong to lack on yellowish soil The range that weary and potentiality lacks.
Table 1:The basic physicochemical character of wheat main producing region representativeness yellowish soil
The habits fertilization precipitation basic condition of 4 wheat belts is investigated simultaneously, including commonly using supporting for fertilizer specially for wheat Divide content, top dressing number and top dressing dosage etc. calculate the total input amount of the nutrients such as the time of infertility N, P, K.By inquiry clearly, 2 Often use fertilizer specially for wheat N-P in a wheat belt2O5-K2O nutrient contents are 25-15-5, and dosage is 50kg per acre, and the later stage imposes urine It is 10kg/ mus plain.
2nd, prepared by slow-release fertilizer specially for wheat
According to survey area yellowish soil nutrient situation and wheat regulation of fertilizer requirement, according to the principle of " decrement synergy ", synthesis is examined Consider the especially micro- Condition of abundance or deficiency of fertilizer provision from soil feature, it is as follows to design fertilizer specially for wheat formula:Nitrogen:26;Five oxidations Two phosphorus:10;Potassium oxide:10;Pure boron 0.05;Pure zinc:2;Pure molybdenum:0.05.Formula is converted into the reality of commodity chemical fertilizer or commercial preparation Object amount is selected from following substance (often producing 1 ton of special fertilizer meter):
Sulfur-coated urea 617kg
Monoammonium phosphate 161kg
Potassium chloride 167kg
Borax 5kg
White vitriol 9kg
Ammonium molybdate 1kg
Bentonite 40kg
Each raw material is put into togerther in blender and is stirred 5-10 minutes, abundant mixing, the fertilizer that then will be mixed It measures, pack up to slow-release Special formula fertilizer for wheat.
3rd, field comparison test
Slow-release fertilizer specially for wheat is studied in Hubei when the application on the ground yellowish soil such as sun, Xiangyang by field plot trial Effect sets 2 processing of habits fertilization and slow-release special fertilizer, each handles 3 repetitions, each cell 40m2.Habits fertilization Fertilizer applications:Use N-P2O5-K2O nutrient contents are that the fertilizer specially for wheat of 25-15-5 makees base manure, per acre using 50kg, later stage Impose 10kg/ mus of urea;Slow-release special fertilizer fertilizer applications of the present invention:Make base manure using special fertilizer 50kg per acre, the later stage does not exist Impose chemical fertilizer.
Table 2:Habits fertilization precipitation amount comparison (unit pure with slow-release fertilizer specially for wheat:kg)
4th, test result analysis
Fertilising is carried out according to above-mentioned testing program, the agronomic conditions such as other sowing, irrigation, prevention and control of plant diseases, pest control unify according to Various regions peasant habit carries out, and maturity period harvest wheat surveys each cell production and species test, result of the test is shown in Table 3.Use slow-release Fertilizer specially for wheat is being respectively 22.74% and 2.05% when the volume increase ratio on the ground such as sun and Xiangyang.
Influence of the 3 slow-release fertilizer specially for wheat of table to wheat yield and its Components
It is always put into from NPK nutrients, compared with local habits fertilization, uses the slow-release fertilizer specially for wheat nitrogen phosphorus of the present invention Potassium total nutrient input amount declines 16.4%.Additionally, due to slow-release urea has been used in inventive formulation, the wheat later stage does not need to Nitrogen Top Dressing, entire breeding time single fertilization meet the technical need to save labor in production.
Embodiment 2
First, wheat main producing region Investigation of Soil Nutrient
The wheats main producing region such as civil rights, Nanyang in Henan selects typical yellowish soil to sample, reference《Soil Analysis in Agricultural Chemistry》 (Bao Shidan is edited, Chinese agriculture publishing house, in December, 2000 third edition) carries out analysis test, acquires civil rights, the experiment of 2, Nanyang Point physiochemical properties of soil (table 4).From table 4, it can be seen that available N and P is relatively low on yellowish soil, Available Mo In Soil, effective boron The range lacked and potentiality lacks is belonged to effective Zn content.
The 4 basic physicochemical character of wheat main producing region representativeness yellowish soil of table
The habits fertilization precipitation basic condition of 2 wheat belts is investigated simultaneously, including commonly using supporting for fertilizer specially for wheat Divide content, top dressing number and top dressing dosage etc. calculate the total input amount of the nutrients such as the time of infertility N, P, K.By inquiry clearly, 2 Often use fertilizer specially for wheat N-P in a wheat belt2O5-K2O nutrient contents are 25-15-5, and dosage is 50kg per acre, and the later stage imposes urine It is 10kg/ mus plain.
2nd, prepared by slow-release fertilizer specially for wheat
According to survey area yellowish soil nutrient situation and wheat regulation of fertilizer requirement, according to the principle of " decrement synergy ", synthesis is examined Consider the especially micro- Condition of abundance or deficiency of fertilizer provision from soil feature, it is as follows to design fertilizer specially for wheat formula:Nitrogen:24;Five oxidations Two phosphorus:10;Potassium oxide:10;Pure boron 0.05;Pure zinc:2;Pure molybdenum:0.05.Formula is converted into the reality of commodity chemical fertilizer or commercial preparation Object amount is selected from following substance (often producing 1 ton of special fertilizer meter):
Sulfur-coated urea 566kg
Monoammonium phosphate 161kg
Potassium chloride 167kg
Borax 5kg
White vitriol 9kg
Ammonium molybdate 1kg
Bentonite:91kg
Each raw material is put into togerther in blender and is stirred 5-10 minutes, abundant mixing, the fertilizer that then will be mixed It measures, pack up to slow-release Special formula fertilizer for wheat.
3rd, field comparison test
Slow-release fertilizer specially for wheat is studied in Henan civil rights, Nanyang and Hubei when sun, Xiangyang etc. by field plot trial Application effect on ground yellowish soil sets 2 processing of habits fertilization and slow-release special fertilizer, each handles 3 repetitions, Mei Ge little Area 40m2.The fertilizer applications of habits fertilization:Use N-P2O5-K2O nutrient contents are that the fertilizer specially for wheat of 25-15-5 makees base manure, often Mu applies 50kg, and the later stage imposes 10kg/ mus of urea;Slow-release special fertilizer fertilizer applications of the present invention:Special fertilizer 50kg is applied per acre Make base manure, the later stage is not imposing chemical fertilizer.
Table 5:Habits fertilization precipitation amount comparison (unit pure with slow-release fertilizer specially for wheat:kg)
4th, test result analysis
Fertilising is carried out according to above-mentioned testing program, the agronomic conditions such as other sowing, irrigation, prevention and control of plant diseases, pest control unify according to Various regions peasant habit carries out, and maturity period harvest wheat surveys each cell production and species test, result of the test is shown in Table 3.Use slow-release Fertilizer specially for wheat is respectively 6.54% and 4.39% in the volume increase ratio of Nanyang and civil rights.
Influence of the 6 slow-release fertilizer specially for wheat of table to wheat yield and its Components
It is always put into from NPK nutrients, compared with local habits fertilization, uses the slow-release fertilizer specially for wheat nitrogen phosphorus of the present invention Potassium total nutrient input amount declines 20.0%.Additionally, due to slow-release urea has been used in inventive formulation, the wheat later stage does not need to Nitrogen Top Dressing, entire breeding time single fertilization meet the technical need to save labor in production.
It should be understood that the part that this specification does not elaborate belongs to the prior art.It is it should be understood that above-mentioned Description for preferred embodiment is more detailed, therefore can not be considered the limitation to scope of patent protection of the present invention, this The those of ordinary skill in field is under the enlightenment of the present invention, in the case where not departing from the ambit that the claims in the present invention are protected, Replacement or deformation can also be made, is each fallen within protection scope of the present invention, the range that is claimed of the invention should be with appended Subject to claim.

Claims (3)

1. a kind of slow-release fertilizer specially for wheat being used for suitable for yellowish soil, it is characterised in that:Effective member in the formula fertilizer Weight percent of the element in terms of pure nutrient be:Nitrogen:24-26;Phosphorus pentoxide: 10-12;Potassium oxide:8-10;Pure boron 0.05; Pure zinc:2-3;Pure molybdenum:0.04-0.06.
2. formula fertilizer as described in claim 1, it is characterised in that:Weight of the effective element in terms of pure nutrient in the formula fertilizer Measuring percentage is:Nitrogen: 26;Phosphorus pentoxide:10;Potassium oxide:10;Pure boron 0.05;Pure zinc:2;Pure molybdenum:0.05.
3. formula fertilizer as described in claim 1, it is characterised in that:Urea used is sulfur-coated urea in the formula, is had slow Release function;Phosphorus pentoxide is by monoammonium phosphate or Diammonium phosphate (DAP) or calcium magnesium phosphate one or more of groups therein in the formula Into;Pure B, Zn and Mo are respectively borax, zinc sulfate and ammonium molybdate in the formula.
CN201810106995.8A 2018-02-02 2018-02-02 It is a kind of suitable for the slow-release fertilizer specially for wheat of yellowish soil and application Pending CN108191493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810106995.8A CN108191493A (en) 2018-02-02 2018-02-02 It is a kind of suitable for the slow-release fertilizer specially for wheat of yellowish soil and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810106995.8A CN108191493A (en) 2018-02-02 2018-02-02 It is a kind of suitable for the slow-release fertilizer specially for wheat of yellowish soil and application

Publications (1)

Publication Number Publication Date
CN108191493A true CN108191493A (en) 2018-06-22

Family

ID=62592093

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810106995.8A Pending CN108191493A (en) 2018-02-02 2018-02-02 It is a kind of suitable for the slow-release fertilizer specially for wheat of yellowish soil and application

Country Status (1)

Country Link
CN (1) CN108191493A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1253928A (en) * 1998-11-16 2000-05-24 淮阴市土壤肥料技术指导站 Multiple trace element formula fertilizer
CN101182260A (en) * 2007-10-31 2008-05-21 山东金正大生态工程股份有限公司 Special controlled-release fertilizer for sulfur, resin film coated wheat and manufacturing method therefor
CN101628836A (en) * 2009-07-30 2010-01-20 安徽省农业科学院土壤肥料研究所 Special fertilizer for weak gluten wheat
CN101792356A (en) * 2010-03-31 2010-08-04 山东金正大生态工程股份有限公司 Synchronous nutrient wheat special controlled release fertilizer and preparation method thereof
CN101967068A (en) * 2009-07-28 2011-02-09 王爱菊 Whole-effect compound wheat fertilizer and preparation method
CN102795929A (en) * 2012-07-27 2012-11-28 山东农大肥业科技有限公司 Polymer-sulfur double coated humic acid sustained and controlled-release fertilizer dedicated for wheat
CN102850132A (en) * 2012-09-24 2013-01-02 菏泽金正大生态工程有限公司 Preparation method of mechanically fertilized controlled-release fertilizer special for winter wheat
CN106938954A (en) * 2017-04-14 2017-07-11 安徽省农业科学院土壤肥料研究所 A kind of wheat efficient formula fertilizer suitable for Soil Development in Huaibei Plain low yield Shajiang black soil

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1253928A (en) * 1998-11-16 2000-05-24 淮阴市土壤肥料技术指导站 Multiple trace element formula fertilizer
CN101182260A (en) * 2007-10-31 2008-05-21 山东金正大生态工程股份有限公司 Special controlled-release fertilizer for sulfur, resin film coated wheat and manufacturing method therefor
CN101967068A (en) * 2009-07-28 2011-02-09 王爱菊 Whole-effect compound wheat fertilizer and preparation method
CN101628836A (en) * 2009-07-30 2010-01-20 安徽省农业科学院土壤肥料研究所 Special fertilizer for weak gluten wheat
CN101792356A (en) * 2010-03-31 2010-08-04 山东金正大生态工程股份有限公司 Synchronous nutrient wheat special controlled release fertilizer and preparation method thereof
CN102795929A (en) * 2012-07-27 2012-11-28 山东农大肥业科技有限公司 Polymer-sulfur double coated humic acid sustained and controlled-release fertilizer dedicated for wheat
CN102850132A (en) * 2012-09-24 2013-01-02 菏泽金正大生态工程有限公司 Preparation method of mechanically fertilized controlled-release fertilizer special for winter wheat
CN106938954A (en) * 2017-04-14 2017-07-11 安徽省农业科学院土壤肥料研究所 A kind of wheat efficient formula fertilizer suitable for Soil Development in Huaibei Plain low yield Shajiang black soil

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
洪松等: "长江中下游黄棕壤中若干元素的环境地球化学特征", 《地理科学》 *

Similar Documents

Publication Publication Date Title
Yang et al. Performance of matrix-based slow-release urea in reducing nitrogen loss and improving maize yields and profits
CN101693638B (en) Preparation method and application method of tomato special fertilizer
Shukla et al. Importance of micronutrients in Indian agriculture
CN102120711B (en) Dual enzymes and double-enzyme serial fertilizer as well as application thereof in agriculture
CN102731220B (en) Citrus fertilizer for special purpose and its preparation method
CN103804097A (en) Fertilizer containing anti-plant virus fertilizer additive
CN106242826A (en) A kind of drought resisting, all nutrition type Semen Maydis long-acting special fertilizer and preparation method thereof
CN106977278A (en) Potassium polyphosphate sugarcane slow-release fertilizer and its production method
CN104108973A (en) Special formula fertilizer for chillies and application method of formula fertilizer
CN101628836B (en) Special fertilizer for weak gluten wheat
CN102816010A (en) Seed nursing fertilizer, method for preparing same and application of nursing fertilizer
CN101172905A (en) Fertilizer special for cole
CN102503620A (en) Nitryl sulfuric organic and inorganic mixed and compound fertilizer
CN106748222A (en) A kind of microorganism slow release fertilizer
CN106966777A (en) A kind of environment-friendly type slow-release bio compoiste fertilizer and preparation method thereof
CN104072210B (en) Trace element fertilizer and its preparation method and application in a kind of multipurpose
CN106938954A (en) A kind of wheat efficient formula fertilizer suitable for Soil Development in Huaibei Plain low yield Shajiang black soil
CN110683903A (en) Water-soluble fertilizer special for flowering cabbage and preparation method thereof
CN109627127A (en) Millet special-purpose control-release fertilizer
CN104829396A (en) Humic acid controlled release blended fertilizer dedicated for corn
CN108191493A (en) It is a kind of suitable for the slow-release fertilizer specially for wheat of yellowish soil and application
CN107721472A (en) A kind of enzyme liquid body phosphorus decomposing agent of bioactivation containing potassium fulvate and preparation method thereof
CN101844952B (en) Formula and production method of humic acid liquid fertilizer
CN105777334A (en) Fertilizer special for urea-ammonium nitrate liquid spray and drop irrigation crops and preparation method thereof
CN102850108A (en) Special fertilizer for watermelons, and preparation method and application thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180622