CN108083884A - A kind of organic fertilizer and its subtract the application in applying synergy in rice - Google Patents
A kind of organic fertilizer and its subtract the application in applying synergy in rice Download PDFInfo
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- CN108083884A CN108083884A CN201711125809.7A CN201711125809A CN108083884A CN 108083884 A CN108083884 A CN 108083884A CN 201711125809 A CN201711125809 A CN 201711125809A CN 108083884 A CN108083884 A CN 108083884A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Environmental Sciences (AREA)
- Fertilizers (AREA)
Abstract
The content of the invention is the present invention is directed problems such as the middle and lower reach of Yangtze River (exemplified by the single harvest rice growing area of Hubei Province Shayang County) season rice growing area applying quantity of chemical fertilizer are big, fertilizer utilization efficiency is low, provide a kind of chemical fertilizer one season rice subtract application in applying synergy, it is easy to implement the method, easy to operate, using effect is good.In the present invention Fertilizer in Rice fertilizer amount press with purity nitrogen, phosphorus pentoxide, potassium oxide total calculation of fertilization amount, fertilizer urea dosage and nitrogen fertilizer potentiating agent dosage are calculated according to chemical fertilizer total amount, phosphorus element activator level is calculated according to rice field area.The main advantages of the present invention being embodied in reduce chemical fertilizer application and pass through application of organic fertilizers to improve soil quality, technique effect, which is embodied in, to be improved nutrientuse efficiency and increases rice yield.
Description
Technical field：
The invention belongs to agricultural fertilizer technical field, be more particularly to a kind of chemical fertilizer and its rice subtract apply in synergy should
With.
Technical background：
China's chemical fertilizer application total amount and mean intensity are at the forefront in the world, the ecological pollution that thus triggers, Health cost
It is very serious with Quality Safety Problems of Agricultural Products, have become the weight for restricting agricultural sustainable development and the promotion of grain integration capability
Want factor.Implementation chemical fertilizer, which subtracts, applies Synergistic technique, around " raising chemical fertilizer utilization ratio reduces chemical dosage and coordination environmental economy society
Three benefits of meeting are with growth " it is target, structure chemical fertilizer, which subtracts, applies Synergistic technique evaluation index system and appraisal procedure, subtracts for chemical fertilizer and applies
Application of the Synergistic technique in Rice Production is assessed, screening can preferential promotional technique, promotion, which subtracts, to be applied Synergistic technique and pushes away comprehensively
Extensively, for solve China's chemical fertilizer subtract apply Synergistic technique application assessment management bottleneck problem and realize sustainable development technology branch is provided
Support.
China's rice cultivation area is mainly distributed on the provinces such as Jiangsu, Zhejiang, Hubei, the Anhui of the Yangtze river basin, and integrated distribution exists
28 ° -35 ° of plains region.One season rice growing pattern can make full use of sunlight-heat reaources, cost-effective, the advantages that increasing production and improying productivity,
And land used is combined with increasing soil fertility.The middle and lower reach of Yangtze River one season rice growing area to pursue high yield, often unreasonably applies chemical fertilizer,
This not only causes utilization rate of fertilizer low, and serious harm is also caused to environment.In recent years, it is reasonable based on the fertilising optimized the environment
Change, chemical fertilizer, which subtracts, applies the hot spot that synergy research has been increasingly becoming numerous scholar's researchs.The research of Zhou Jiangming etc. shows organic fertilizer nitrogen
When replacing fertilizer nitrogen is 20%, Nitrogen in Rice cumulant highest, beneficial to the absorption of nitrogen；Stone column etc. is in nitrogen fertilizer potentiating agent to rice
The influence research of yield and plant recovery of nutrient shows that nitrogen fertilizer potentiating agent can increase rice nutrient content and accumulation, improves fertilizer
Utilization rate.A large amount of scholar research both at home and abroad shows that Organicchemical fertilizers technology and fertilizer synergist, activator are applied
Rice good quality and high output, soil fertility improve and plant recovery of nutrient improves etc. achieves noticeable achievement, but numerous skills acquired by the studies above
Art is more application of the single technology on rice.The important cropping pattern in one season rice growing In Middle And Lower Reaches of Changjiang River, and face
Product progressively expands, and a season rice growing area has applying quantity of chemical fertilizer is big, fertilizer utilization efficiency is low etc., therefore, finds one
Kind chemical fertilizer, which subtracts, applies synergy fertilizer practice, is to reduce chemical fertilizer application and improve a season rice growing area fertilizer utilization efficiency, promotes a season
Rice growing area high yield, low consumption, the sustainable needs of agroecological environment, the present invention using Hubei Province Shayang County single harvest rice growing area as
Template is studied, propose targetedly chemical fertilizer formula and subtracts the application in applying synergy in rice.
The content of the invention：
(1) prior arts deficiency：The present invention is directed Hubei Province Shayang County single harvest rice growing area applying quantity of chemical fertilizer it is big,
The problems such as fertilizer utilization efficiency is low, the purpose of the invention is to provide a kind of chemical fertilizer and its one season rice subtract and apply synergy
Using easy to implement the method, easy to operate, using effect is good.Its major advantage, which is embodied in, can reduce chemical fertilizer application and pass through application
For organic fertilizer to improve soil quality, technique effect, which is embodied in, improves nutrientuse efficiency and increase rice yield.
(2) in order to realize above-mentioned purpose, the present invention uses following technical scheme：
A kind of organic fertilizer and its subtract the application in applying synergy in rice, which is characterized in that according to the parts by weight of following raw material
Array into：28-40 parts of nitrogenous fertilizer, 12-20 parts of potash fertilizer, 55-100 parts of phosphate fertilizer, 10-20 parts of animal wastes, 6-10 parts of bentonite, talcum
12-20 parts of powder, 4-10 parts of wheat bran, 16-25 parts of humic acid, 24-35 parts of boric acid, 14-25 parts of polyglutamic acid, 18-32 parts of sodium carbonate,
40-65 parts of rapeseed dregs, 30-60 parts of plant ash, 40-70 parts of soya-bean cake, 35-50 parts of castor cake, 1-6 parts of fertilizer synergist, EDTA chelas
Close 0.5-1.5 parts of zinc, 0.3-0.8 parts of EDTA Chelated Manganeses, 1.4-2.8 parts of sodium metasilicate, 1.6-2.6 parts of biological bacteria；Subtract in rice and apply
Application in synergy, step are：
Fertilization type and dosage：Fertilizer in Rice fertilizer amount, by the nitrogenous fertilizer 100-200kghm in terms of purity nitrogen2, phosphorus pentoxide meter phosphorus
Fertile 50-90kghm2, potassium oxide meter potash fertilizer 40-110kghm2Total dose, according to chemical fertilizer nitrogen pool calculate fertilizer urea
Dosage and nitrogen fertilizer potentiating agent dosage；Phosphorus element activator level is gone out according to paddy field cultivation areal calculation；Calculate having containing 33% total nitrogen
Machine fertilizer dosage, and calculate the phosphorus potassium total amount contained in organic fertilizer；Using applying the 85% of nitrogen total amount, organic fertilizer contains 33% is subtracted
Total nitrogen weighs fertilizer nitrogen, is then converted to amount of urea, according to applicating ratio base of the nitrogen in rice basal fertilizer, tillering fertilizer, ear manuer
Fertilizer: tillering fertilizer: ear manuer=3-6: 1-4: 1-5 calculates the Nitrogen Amount of base manure, tillering fertilizer, ear manuer respectively, with the nitrogen in base manure
Element subtracts the nitrogen in organic fertilizer, and the base manure fertilizer nitrogen weighed is then converted to the base manure amount of urea weighed, while claims successively
The nitrogen amount of tillering fertilizer and ear manuer is taken, and is converted into amount of urea；Using applying the 85% of phosphorus total amount, the phosphorus that organic fertilizer contains is subtracted
Total amount weighs chemical fertilizer phosphorus, is then converted to calcium superphosphate dosage；Using potassium total amount is applied, the potassium total amount that organic fertilizer contains is subtracted, is weighed
Chemical fertilizer potassium, is then converted to potassium chloride dosage；Nitrogen fertilizer potentiating agent is the 7-19 ‰ of total Nitrogen Amount, and phosphorus element activator amount of application is
100-250kg·hm2；The phase application amount that fertilizer type is applied in step A is weighed respectively, by organic fertilizer, phosphate fertilizer, potash fertilizer, nitrogenous fertilizer
Synergist, phosphorus element activator are made base manure and are disposably uniformly applied, then rice field is even flat；Phosphorus, potash fertilizer make base manure and disposably apply, nitrogen
Fertilizer makees base manure, tillering fertilizer, ear manuer application respectively, nitrogenous fertilizer base manure: tillering fertilizer: ear manuer=2-5: 1-4: 1-5,3-9 after rice transplanting
It applies tillering fertilizer, applies ear manuer within 28-55 days before Rice Heading；It does not apply fertilizer in full heading time, pustulation period, the stage of yellow ripeness, maturity period；Institute
The rice basal fertilizer stated is specially organic fertilizer, urea, calcium superphosphate, potassium chloride, nitrogen fertilizer potentiating agent, phosphorus element activator one kind therein
Or two to six kinds of arbitrary mixing；The rice tillering fertilizer and rice ear manuer are nitrogenous fertilizer urea.
The fertilizer is characterized in that, N, P2O5And K2Mass percentage total O is specially 33.5~40.5%；Phosphate fertilizer
Middle P2O5Content is 10.5~16.5%；Fertilizer synergist is activator for phosphor element of soil, including 12~24 micro- lifes of parts by weight phosphorus decomposing
Object, 35~70 parts by weight carriers and 2~6 parts by weight protective agents, the protective agent are in bone meal, gelatin, citric acid and amino acid
One or more of mixtures.
It is 2~6: 1~4: 1~4 mixing that carrier described in activator for phosphor element of soil, which is careless carbon, wheat bran and cake powder according to weight ratio,
The mixture that forms or careless carbon, straw powder and cake powder are 2~5: 1~5: 1~4 mixtures mixed according to weight ratio.Soil
Earth phosphorus element activator is characterized in that the phosphate solubilizing microorganism as phosphorus decomposing bacillus megaterium, and amino acid is polyglutamic acid；The soil
Earth phosphorus element activator field applicating ratio is 75~125kg/ mus, with base manure compounding application.
By the weighing and application to above-mentioned fertilizer, we will obtain a fertilizer nitrogen subtract apply 15%-25%, chemical fertilizer phosphorus subtracts
Apply 15%-25%, rice yield obtains the result improved to a certain extent.By abovementioned technology, be particularly suitable for one season rice
Cultivation selects hybrid rice variety to begin sowing in good time nursery, water-saving irrigation, during fertilising using fertilizer practice described in claim simultaneously
Uniformly application, it is anti-in time cure the disease, worm, crop smothering etc..
The present invention is largely applied for Hubei Province Shayang County single harvest rice growing area one season rice chemical fertilizer, so as to cause fertilizer utilization
The problems such as rate is low, nutrient loss, by the basis of rice conventional fertilizer application organic fertilizer nitrogen being used to substitute 25%-35% fertilizer nitrogens
Using and subtracting on this basis apply 15%-25% and routinely apply chemical fertilizer total nitrogen and 20% and conventional apply chemical fertilizer total phosphorus and add nitrogen
Fertile synergist and phosphorus element activator technology.By the application to the present invention, the dosage of chemical fertilizer is not only reduced, and improves water
Rice yield and nutrientuse efficiency；The present invention has merged that nutrient is planned strategies for, chemical fertilizer organic fertilizer substitutes, fertilizer synergist and activator are applied
With monotechnicses are waited, before breaching the characteristics of monotechnics application, achieve the effect that " 1+1 ＞ 2 ".It is provided by the invention to apply
Fertilizer technology provides technical support for rice high yield, low consumption, synergy cultivation.
(3) is compared with prior art, the present invention advantageous effect of the present invention：
1. excellent effect：The technology can significantly improve rice yield and npk nutrient utilization ratio.2. easy easily behaviour
Make：The technical step is simple and convenient to operate, and general peasant can master a skill main points.It is 3. applied widely：The technology is very
It is suitble to widely popularize in rice one season rice growing area.It is 4. economical and practical：This method reduce applying quantity of chemical fertilizer, (nitrogen amount of application can drop
2~4kg/ mus low, phosphorus amount of application can reduce by 0.6~1.8kg/ mus), it is raw materials used simple, it is economical and practical.
Specific embodiment：
A kind of organic fertilizer and its subtract the application in applying synergy in rice.Chemical fertilizer is formed according to the parts by weight of following raw material：
30 parts of nitrogenous fertilizer, 18 parts of potash fertilizer, 60 parts of phosphate fertilizer, 15 parts of animal wastes, 8 parts of bentonite, 16 parts of talcum powder, 7 parts of wheat bran, humic acid 18
Part, 30 parts of boric acid, 18 parts of polyglutamic acid, 22 parts of sodium carbonate, 50 parts of rapeseed dregs, 40 parts of plant ash, 50 parts of soya-bean cake, castor cake 40
Part, 4 parts of fertilizer synergist, 1 part of EDTA chelated zincs, 0.5 part of EDTA Chelated Manganeses, 2 parts of sodium metasilicate, 2 parts of biological bacteria；Subtract in rice and apply
Application in synergy, step are：
Fertilization type and dosage：Fertilizer in Rice fertilizer amount, by the nitrogenous fertilizer 150kghm in terms of purity nitrogen2, phosphorus pentoxide meter phosphate fertilizer
60kg·hm2, potassium oxide meter potash fertilizer 80kghm2Total dose, fertilizer urea dosage and nitrogenous fertilizer are calculated according to chemical fertilizer nitrogen pool
Synergist dosage；Phosphorus element activator level is gone out according to paddy field cultivation areal calculation；The Rate of Organic Fertilizer containing 33% total nitrogen is calculated, and
Calculate the phosphorus potassium total amount contained in organic fertilizer；Using applying the 85% of nitrogen total amount, 33% total nitrogen that organic fertilizer contains, weighing are subtracted
Fertile nitrogen, is then converted to amount of urea, according to applicating ratio base manure of the nitrogen in rice basal fertilizer, tillering fertilizer, ear manuer: tillering fertilizer:
Ear manuer=4: 2: 3, the Nitrogen Amount of base manure, tillering fertilizer, ear manuer is calculated respectively, is subtracted with the nitrogen in base manure in organic fertilizer
Nitrogen, the base manure fertilizer nitrogen weighed are then converted to the base manure amount of urea weighed, while weigh tillering fertilizer and ear manuer successively
Nitrogen amount, and it is converted into amount of urea；Using applying the 85% of phosphorus total amount, the phosphorus total amount that organic fertilizer contains is subtracted, weighs chemical fertilizer phosphorus,
It is then converted to calcium superphosphate dosage；Using potassium total amount is applied, the potassium total amount that organic fertilizer contains is subtracted, chemical fertilizer potassium is weighed, is then converted to
Potassium chloride dosage；Nitrogen fertilizer potentiating agent is the 15 ‰ of total Nitrogen Amount, and phosphorus element activator amount of application is 150kghm2It weighs respectively
The phase application amount of fertilizer type is applied in step A, organic fertilizer, phosphate fertilizer, potash fertilizer, nitrogen fertilizer potentiating agent, phosphorus element activator are made into base manure
Disposable uniformly application, then rice field is even flat；Phosphorus, potash fertilizer make base manure and disposably apply, and nitrogenous fertilizer makees base manure, tillering fertilizer, fringe respectively
Fertilizer application, nitrogenous fertilizer base manure: tillering fertilizer: ear manuer=4: 2: 3, it applies tillering fertilizer within 6 days after rice transplanting, applies within 30 days before Rice Heading
Ear manuer；It does not apply fertilizer in full heading time, pustulation period, the stage of yellow ripeness, maturity period；The rice basal fertilizer is specially organic fertilizer, urea, crosses phosphorus
Sour calcium, potassium chloride, nitrogen fertilizer potentiating agent, phosphorus element activator be therein a kind of or two to six kinds of arbitrary mixing；The rice point
Fetilizer for tillering and rice ear manuer are nitrogenous fertilizer urea.
The fertilizer is characterized in that, N, P2O5And K2Mass percentage total O is specially 36%；P in phosphate fertilizer2O5Content
For 15%；Fertilizer synergist is activator for phosphor element of soil, including 18 parts by weight phosphate solubilizing microorganisms, 50 parts by weight carriers and 4 weight
Part protective agent, the protective agent are the mixture of one or more of bone meal, gelatin, citric acid and amino acid.
Carrier described in activator for phosphor element of soil be careless carbon, wheat bran and cake powder according to weight ratio be 4: 3: 3 mix it is mixed
It is 3: 3: 4 mixtures mixed that object or careless carbon, straw powder and cake powder, which are closed, according to weight ratio.Activator for phosphor element of soil feature
It is the phosphate solubilizing microorganism for phosphorus decomposing bacillus megaterium, amino acid is polyglutamic acid；The activator for phosphor element of soil field
Applicating ratio is 100kg/ mus, with base manure compounding application.
By the weighing and application to above-mentioned fertilizer, we, which will obtain a fertilizer nitrogen and subtract to apply 20%, chemical fertilizer phosphorus and subtract, applies
20%th, rice yield obtains the result improved to a certain extent.By abovementioned technology, be particularly suitable for one season rice growing, choosing
It selects hybrid rice variety to begin sowing in good time nursery, water-saving irrigation, be applied during fertilising using fertilizer practice described in claim and uniformly
With, it is anti-in time cure the disease, worm, crop smothering etc..
Claims (9)
1. a kind of organic fertilizer and its subtract the application in applying synergy in rice, which is characterized in that according to the parts by weight of following raw material
Composition：28-40 parts of nitrogenous fertilizer, 12-20 parts of potash fertilizer, 55-100 parts of phosphate fertilizer, 10-20 parts of animal wastes, 6-10 parts of bentonite, talcum powder
12-20 parts, 4-10 parts of wheat bran, 16-25 parts of humic acid, 24-35 parts of boric acid, 14-25 parts of polyglutamic acid, 18-32 parts of sodium carbonate, dish
40-65 parts of the seed dregs of rice, 30-60 parts of plant ash, 40-70 parts of soya-bean cake, 35-50 parts of castor cake, 1-6 parts of fertilizer synergist, EDTA chelatings
0.5-1.5 parts of zinc, 0.3-0.8 parts of EDTA Chelated Manganeses, 1.4-2.8 parts of sodium metasilicate, 1.6-2.6 parts of biological bacteria；Subtract in rice and apply increasing
Application in effect, step are：
Fertilization type and dosage：Fertilizer in Rice fertilizer amount, by the nitrogenous fertilizer 100-200kghm in terms of purity nitrogen2, phosphorus pentoxide meter phosphate fertilizer 50-
90kg·hm2, potassium oxide meter potash fertilizer 40-110kghm2Total dose, according to chemical fertilizer nitrogen pool calculate fertilizer urea dosage and
Nitrogen fertilizer potentiating agent dosage；Phosphorus element activator level is gone out according to paddy field cultivation areal calculation；The organic fertilizer containing 33% total nitrogen is calculated to use
Amount, and calculate the phosphorus potassium total amount contained in organic fertilizer；Using applying the 85% of nitrogen total amount, 33% total nitrogen that organic fertilizer contains is subtracted,
Fertilizer nitrogen is weighed, is then converted to amount of urea, according to applicating ratio base manure of the nitrogen in rice basal fertilizer, tillering fertilizer, ear manuer: point
Fetilizer for tillering: ear manuer=3-6: 1-4: 1-5 calculates the Nitrogen Amount of base manure, tillering fertilizer, ear manuer respectively, is subtracted with the nitrogen in base manure
The nitrogen in organic fertilizer is removed, the base manure fertilizer nitrogen weighed is then converted to the base manure amount of urea weighed, while weighs successively point
The nitrogen amount of fetilizer for tillering and ear manuer, and it is converted into amount of urea；Using applying the 85% of phosphorus total amount, it is total to subtract the phosphorus that organic fertilizer contains
Amount, weighs chemical fertilizer phosphorus, is then converted to calcium superphosphate dosage；Using potassium total amount is applied, the potassium total amount that organic fertilizer contains, weighing are subtracted
Fertile potassium, is then converted to potassium chloride dosage；Nitrogen fertilizer potentiating agent is the 7-19 ‰ of total Nitrogen Amount, and phosphorus element activator amount of application is 100-
250kg·hm2；The phase application amount that fertilizer type is applied in step A is weighed respectively, by organic fertilizer, phosphate fertilizer, potash fertilizer, nitrogenous fertilizer synergy
Agent, phosphorus element activator are made base manure and are disposably uniformly applied, then rice field is even flat；Phosphorus, potash fertilizer make base manure and disposably apply, nitrogenous fertilizer point
Do not make base manure, tillering fertilizer, ear manuer application, nitrogenous fertilizer base manure: tillering fertilizer: ear manuer=2-5: 1-4: 1-5 is applied after rice transplanting for 3-9 days
With tillering fertilizer, ear manuer is applied within 28-55 days before Rice Heading；It does not apply fertilizer in full heading time, pustulation period, the stage of yellow ripeness, maturity period；Described
Rice basal fertilizer is specially organic fertilizer, urea, calcium superphosphate, potassium chloride, nitrogen fertilizer potentiating agent, phosphorus element activator one kind therein or two
To six kinds of arbitrary mixing；The rice tillering fertilizer and rice ear manuer are nitrogenous fertilizer urea.
2. fertilizer according to claim 1, which is characterized in that N, P2O5And K2Mass percentage total O is specially 33.5
~40.5%.
3. fertilizer according to claim 1, which is characterized in that P in the phosphate fertilizer2O5Content is 10.5~16.5%.
4. fertilizer according to claim 1, it is characterised in that：The fertilizer synergist is activator for phosphor element of soil, including
12~24 parts by weight phosphate solubilizing microorganisms, 35~70 parts by weight carriers and 2~6 parts by weight protective agents, the protective agent are bone meal, bright
The mixture of one or more of glue, citric acid and amino acid.
5. activator for phosphor element of soil according to claim 4, which is characterized in that the carrier is careless carbon, wheat bran and cake powder
It is 2~6: 1~4: 1~4 mixtures mixed according to weight ratio.
6. activator for phosphor element of soil according to claim 4, which is characterized in that the carrier is careless carbon, straw powder and cake
Powder is 2~5: 1~5: 1~4 mixtures mixed according to weight ratio.
7. activator for phosphor element of soil according to claim 4, which is characterized in that the phosphate solubilizing microorganism is the huge bud of phosphorus decomposing
Spore bacillus.
8. activator for phosphor element of soil according to claim 4, which is characterized in that the amino acid is polyglutamic acid.
9. activator for phosphor element of soil according to claim 4, which is characterized in that the activator for phosphor element of soil field apply than
Example is 75~125kg/ mus, with base manure compounding application.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848839A (en) * | 2018-08-06 | 2018-11-23 | 江西省农业科学院土壤肥料与资源环境研究所 | It is a kind of reduce rice field nitrogen and phosphorus loss fertilizing method and its application |
| CN111869392A (en) * | 2020-09-01 | 2020-11-03 | 黑龙江省农业科学院耕作栽培研究所 | Fertilizing method for high-quality rice in cold region |
| CN112042351A (en) * | 2020-08-21 | 2020-12-08 | 普罗丰禾(武汉)科技有限公司 | Nitrogen-saving high-yield fertilization method for rice |
| CN112151126A (en) * | 2020-09-29 | 2020-12-29 | 湖北省农业科学院植保土肥研究所 | Calculation method for quantitatively replacing chemical fertilizer with organic fertilizer |
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| CN106397059A (en) * | 2016-11-29 | 2017-02-15 | 宋杨明 | Rice fertilizer with high utilization rate and preparation method thereof |
| CN106883074A (en) * | 2017-03-24 | 2017-06-23 | 合肥慧谷农业科技有限公司 | A kind of paddy rice fertilizer and preparation method thereof |
| CN107162852A (en) * | 2017-06-10 | 2017-09-15 | 吉林省农业科学院 | A kind of activator for phosphor element of soil and its preparation method and application |
| CN107253876A (en) * | 2017-06-29 | 2017-10-17 | 安徽联邦农业科技有限公司 | A kind of organic paddy rice fertilizer |
| CN107266200A (en) * | 2017-07-20 | 2017-10-20 | 湖南省土壤肥料研究所 | A kind of chemical fertilizer subtracts the application in applying synergy in paddy rice |
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| CN106397059A (en) * | 2016-11-29 | 2017-02-15 | 宋杨明 | Rice fertilizer with high utilization rate and preparation method thereof |
| CN106883074A (en) * | 2017-03-24 | 2017-06-23 | 合肥慧谷农业科技有限公司 | A kind of paddy rice fertilizer and preparation method thereof |
| CN107162852A (en) * | 2017-06-10 | 2017-09-15 | 吉林省农业科学院 | A kind of activator for phosphor element of soil and its preparation method and application |
| CN107253876A (en) * | 2017-06-29 | 2017-10-17 | 安徽联邦农业科技有限公司 | A kind of organic paddy rice fertilizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848839A (en) * | 2018-08-06 | 2018-11-23 | 江西省农业科学院土壤肥料与资源环境研究所 | It is a kind of reduce rice field nitrogen and phosphorus loss fertilizing method and its application |
| CN112042351A (en) * | 2020-08-21 | 2020-12-08 | 普罗丰禾(武汉)科技有限公司 | Nitrogen-saving high-yield fertilization method for rice |
| CN111869392A (en) * | 2020-09-01 | 2020-11-03 | 黑龙江省农业科学院耕作栽培研究所 | Fertilizing method for high-quality rice in cold region |
| CN111869392B (en) * | 2020-09-01 | 2022-07-19 | 黑龙江省农业科学院耕作栽培研究所 | Fertilizing method for rice in cold region |
| CN112151126A (en) * | 2020-09-29 | 2020-12-29 | 湖北省农业科学院植保土肥研究所 | Calculation method for quantitatively replacing chemical fertilizer with organic fertilizer |
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Application publication date: 20180529 |