CN102391051A - Wheat special fertilizer - Google Patents
Wheat special fertilizer Download PDFInfo
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- CN102391051A CN102391051A CN2011102909903A CN201110290990A CN102391051A CN 102391051 A CN102391051 A CN 102391051A CN 2011102909903 A CN2011102909903 A CN 2011102909903A CN 201110290990 A CN201110290990 A CN 201110290990A CN 102391051 A CN102391051 A CN 102391051A
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Abstract
The invention relates to a wheat special fertilizer. The wheat special fertilizer is a compound fertilizer or complex fertilizer containing nitrogen, phosphorus and potassium, wherein the weight ratio of N to P2O5 to K2O is (22-26): (18-20): (4-6). The wheat special fertilizer provided by the invention is reasonable in formula and has complete nutrients, a soil nutrient condition in North Henan is comprehensively considered, proportions of nutrient elements and raw materials of the fertilizer are selected, a ratio of nitrogen to phosphorus to potassium in the fertilizer is reasonable, nutrient releasing rate accords with wheat nutrient demanding rule in a wheat growing region in the North Henan, pertinency is high, operation is convenient, utilization rate of the fertilizer can be improved, application amount of the fertilizer can be reduced (application cost per Mu can be greatly reduced), yield can be increased, and crop quality can be improved; the wheat special fertilizer provided by the invention is applicable to a wheat producing area in North Henan, can be taken as a base fertilizer and can be applied in one step, once fertilizing on one batch of crops can be realized, and labour and time can be saved.
Description
Technical field
The present invention relates to a kind of fertilizer, be specifically related to a kind of fertilizer specially for wheat that is applicable to Henan Bei Xiaomaizhongzhiqu.
Background technology
Wheat is China's important crops, and its sown area and gross output are only second to paddy rice and occupy second, in agriculture prodn, occupies critical role.In recent years, a large amount of blindly fertilisings cause the fertilizer waste; Nitrogen, phosphorus, potassium applicating ratio are seriously lacked of proper care; Cause the soil salt accumulation, cause environmental pollution, and superfluous nutrient often gets into water body and atmosphere through modes such as volatilization, leaching loss, denitrifications in soil; Both cause utilization rate of fertilizer to descend, caused the eutrophication of groundwater pollution and rivers and lakes again.The farm investment cost increases, and the agricultural produce benefit is slow.
It is reported that the utilization ratio of China's nitrogenous fertilizer is about 30%～50%, the utilization ratio of phosphate fertilizer is about 10%～15%, and the utilization ratio of potash fertilizer is about 30%～60%.It is many-sided causing the low reason of chemical fertilizer utilization ratio, wherein one of reason: different farm crop need different nutrients, and the Different Nutrition stage is different to nutrient demand, and presents certain rule.The base fertilizer of farm crop such as wheat, corn, cotton, different with the ratio of the nitrogen that topdresses, phosphorus, potassium, the dressing time of wheat, the quantity of topdressing and traditional fertilising custom and fertilising quantity, fertilization time and method are also inequality.Innovation along with science and technology applies fertilizers scientifically, and reducing dose is the trend of the times of China's agricultural fertilizer.
The agricultural sciences fertilising forward dedicated type of China, organic-inorganic compound mixed fertilizer, bio-feritlizer direction develop.In recent years, the fertilization compositions based on earth measurement activity that carries out in the whole nation has driven the apply fertilizer transformation of idea of peasant, for advancing and development tailored version fertilizer has been created good condition.But also there is following problem demanding prompt solution from the current situation of the agricultural fertilising of China: at first; The agricultural fertilizer great majority serve as main like nitrogen-phosphorus-potassium 15-15-15 with universal prescription still; Nitrogen, phosphorus, potassium as much; It is impossible that farm crop are used nitrogen phosphorus potassium identical, causes certain nutrient deficiency, certain nutrient waste.Potash fertilizer lacked originally in the world, caused potash fertilizer nervous more.Secondly, peasant's nitrogenous fertilizer that applies fertilizer is too much, the prosperous length in crops, and cotton does not sit peach, and fruit tree is the result not, and melon and fruit is sweetless, and the farm crop serious lodging causes to yield poorly poor quality.Its three peasants dose is bigger than normal, uses that every mu in wheat base fertilizer is used 50kg or topdress urea 30kg or carbon ammonium 50kg, causes the farm investment cost to increase, and phosphorus ore produces serious waste of resources.The fertilizer of supplying on the market; Do not consider nutrient supplying capability, utilization rate of fertilizer, the feature of npk nutrient and the regulation of fertilizer requirement of farm crop of soil; Often simply according to every quantity of producing the required nitrogen of 100kg output, phosphorus, potassium nutrition; Perhaps make the identical versatility fertilizer of nitrogen phosphorus potassium; Mainly have in mind on the ratio of the overall control of nutrient and Different Nutrients like 16-16-16, and the nutrition absorption of fertilizer characteristic, soil nutrient supply proterties and the crop of Different Nutrients is dynamically considered seldom, thereby cause the loss and the waste of nutrient.Crop yield is low, poor quality.
Summary of the invention
The technical problem that the present invention will solve provides a fertilizer special for wheat; This fertilizer specially for wheat has been taken all factors into consideration north, Henan soil nutrient situation; Its nitrogen, phosphorus, potassium reasonable ratio and nutrient release rate meet the wheat regulation of fertilizer requirement of Henan Bei Xiaomaizhongzhiqu; Can improve utilization rate of fertilizer, reduce fertilizer amount, promote wheat increase yield.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
One fertilizer special for wheat, for the composite fertilizer or the compound of nitrogenous, phosphorus, potassium are fertile, N: P in this composite fertilizer or the compound fertilizer
2O
5: K
2The weight ratio of O is 22～26: 18～20: 4～6.
Nitrogen accounts for leading function in the wheat physiological function, it is the staple that constitutes cellular plasm, also is constituent and chlorophyll, hormone, nucleic acid plurality of enzymes, the multivitamin moity of enzyme, also directly affects the yield and quality of wheat; Phosphorus is extremely important to forming the powerful root system of wheat, and the supply of the plain nutrition of phosphorus has become the limiting factor that wheat yield improves again in many areas; The plain supply of competent phosphorus helps wheat and early sends out living morning, and it is full that organ of multiplication is grown; Promote root growth and tiller, promote full seed and precocity.Potassium improves disease-resistant wheat, drought resisting and freeze proof function to promoting the formation and the conversion of glucide, makes the wheat cane sturdy tough and tensile, resistant to lodging, and is ripe and good effect arranged to the wheat Huang Cheng that normally falls.
Every part of fertilizer specially for wheat also contains 0.05～0.20 part of SEPIGEL 305.SEPIGEL 305 (being called for short PAM) is polymerized by acrylamide monomer, is a kind of water-soluble linear macromolecule material, has water retention property.Use the transpiration rate that SEPIGEL 305 can reduce wheat leaf blade, improve its photosynthesis characteristics, improve WUEL, the enhancing crop drought resistance.
The preferred N of said fertilizer specially for wheat: P
2O
5: K
2The O weight ratio is 20: 16: 5.
Every part of fertilizer specially for wheat contains 0.10～0.30 part of stopping composition.
Above-mentioned stopping composition can in stone flour, wilkinite, the zeyssatite, ammonium sulfate, sal epsom, sal epsom, calcium sulfate, fused(calcium magnesium)phosphate, secondary calcium phosphate at least a.
Said fertilizer specially for wheat is a nitrogenous source with at least a in urea, ammonium sulfate, ammonium chloride, monoammonium phosphate, the diammonium phosphate.
Said fertilizer specially for wheat is the phosphorus source with at least a in monoammonium phosphate, diammonium phosphate, superphosphate of lime, double superhosphate, secondary calcium phosphate, the fused(calcium magnesium)phosphate.
Said fertilizer specially for wheat is the potassium source with at least a in vitriolate of tartar, the Repone K.
Above-mentioned fertilizer specially for wheat can carry out granulation, particulate materials such as granular feedstock of buying such as monoammonium phosphate, diammonium phosphate, granular urea, Repone K according to the selection situation of raw material; With powdered such as superphosphate of lime, ammonium sulfate, zinc sulfate cause granular, with the granulous raw material; Get in the fertilizer mixing machine according to prescription; After mixing 10～15min, metering, packing, get final product finished product.
In weight part, every part of fertilizer specially for wheat contains 0.08～0.20 part of attapulgite, and this attapulgite granularity is 160～300 orders, and carries out modification with 30KHz～40KHz ultrasonic irradiation 2～4min and handle, and to improve its specific surface area, strengthens absorption property.Attapulgite after ultrasonically-modified has special fibrous texture, characteristics such as positively charged ion replacement property, adsorptivity, water-retentivity, cohesiveness preferably, and the materialization property that can improve the soil improves the hydrothermal condition of soil.Above-mentioned attapulgite addition can make the release of fertilizer nutrient in soil and the speed synchronization of required absorption nutrient of wheat growth phase; In effective constituents such as fertilising ability in early stage absorbed portion N, P, K;, later stage soil effective concentration separates again when descending; Prolong and improve utilization rate of active components, the activity of improving the soil; Attapulgite also plays water conservation, regulates the effect of pH value in soil, and can be wheat and certain trace element is provided, the growth of promotion wheat.
The present invention has actively useful effect:
1. fertilizer specially for wheat can prevent the wheat seedling that contracts in earlier stage; Strengthen the accumulation of photosynthesis and nutritive substance, promote sugar part and proteinic metabolism in the plant body, can satisfy the nutrient supply of its each growth phase; Can make wheat seeding early tiller, early take root, root system development is healthy and strong, improve the survive the winter cold hardiness of phase of seedling; Can also promote the formation of fringe initial body, increase wheat number and Xiao Hua number, and improve the percentage of earbearing tiller; No matter executing at low-yield land still is that the high-yield field can both increase production (average every mu can be increased production wheat 30～50kg, increases by 60～100 yuan of economic benefits).
2. prescription is reasonable, and nutrient is complete, has taken all factors into consideration north, Henan soil nutrient situation; Carry out the raw-material selection of nutrient element proportioning and fertilizer, its nitrogen, phosphorus, potassium reasonable ratio meet the wheat regulation of fertilizer requirement of Henan Bei Xiaomaizhongzhiqu; With strong points; Easy to operate, can improve utilization rate of fertilizer, reduce rate of fertilizer (can practice thrift about 40～50 yuan for every mu), increase output, improve wheat quality.
3. be applicable to the Yu Bei wheat belt, can do that base fertilizer is disposable to apply, realize that one batch of crop executes disposable fertilizer, saving of work and time.
Embodiment
Further set forth the present invention below in conjunction with specific embodiment.Do not have method or the step that specifies or set forth among the following embodiment, be ordinary method or step; Raw materials used and reagent does not have special instruction, is commercially available.
Embodiment 1 one fertilizer special for wheat are with urea (N46%), monoammonium phosphate (N10%-P
2O
550%) vitriolate of tartar (K,,
2O 50%), attapulgite, SEPIGEL 305 and stopping composition raw materials such as (calcium sulfate) process the potassium sulfate type high tower compound fertilizer (N-P of National standard GB15063-2001 " composite fertilizer (compound manure) " by following preparation method
2O
5-K
2O) 20-16-5 (and containing attapulgite 8%, SEPIGEL 305 7%):
(1) urea is got in the urea melting groove after metering is fused into urine, send into the one-level tempering tank then;
(2) vitriolate of tartar, monoammonium phosphate, the stopping composition of metering are sent into the one-level tempering tank and mix, mixed slurry overflows to the secondary tempering tank naturally;
(3) attapulgite after will measuring, SEPIGEL 305 add the secondary tempering tank, process mixed slurry;
(4) secondary groove mixed slurry overflows to rotation differential type tablets press, forms compound fertilizer granules through spraying at the bottom of naturally cooling drops to tower after the granulation;
(5) compound fertilizer granules gets product through sieving, cool off, prevent to pack after caking is handled at the bottom of the tower.
In the two Anxiang Che Zhaocun Wang's farmlands covered by contract of Neihuang County, carried out manure trial in 2010 with above-mentioned fertilizer specially for wheat; Use this fertilizer specially for wheat 35kg for every mu; With habitual fertilizing method (executing 28kg diammonium phosphate, 50kg bicarbonate of ammonia work for every mu) contrast (both field management measures are identical), phase wheat growth of cereal crop seedlings colony 860,000 comparisons of surviving the winter are according to increasing by 15.2 ten thousand, and every mu of mature spike number improves 7.1 ten thousand; Thousand seed weight increases 8.9g; The wheat per mu yield on average increases 46.3kg, and raising the output, the effect of increasing income is obvious, simultaneously the growing way situation from the field; Nutrient release rate meets the wheat regulation of fertilizer requirement of Henan Bei Xiaomaizhongzhiqu, and the slow/controlled release effect of the attapulgite fertilizer specially for wheat that is added is obvious.
Embodiment 2 one fertilizer special for wheat, basic identical with embodiment 1, difference is, only with urea (N46%), monoammonium phosphate (N10%-P
2O
550%) vitriolate of tartar (K,
2O 50%), stopping composition etc. is raw material, do not add attapulgite, SEPIGEL 305 and process composite fertilizer (N-P
2O
5-K
2O) 20-16-5.
In the color farmland covered by contract of the high manager in Ruzhou, tafelberg, carried out manure trial in 2009 with above-mentioned fertilizer specially for wheat; Use this fertilizer specially for wheat 40kg for every mu; With habitual fertilizing method (executing 25kg diammonium phosphate, 50kg bicarbonate of ammonia work for every mu) contrast (both field management measures are identical), phase wheat growth of cereal crop seedlings colony 820,000 comparisons of surviving the winter are according to increasing by 11.4 ten thousand, and every mu of mature spike number improves 6.2 ten thousand; Thousand seed weight increases 8.6g, and the wheat per mu yield on average increases 42.6kg.
Change each the concrete numerical parameter in the foregoing description, or material composition be equal to replacement, can form a plurality of concrete embodiment, be common variation range of the present invention, detail no longer one by one at this.
Claims (9)
1. a fertilizer special for wheat for the composite fertilizer or the compound of nitrogenous, phosphorus, potassium are fertile, is characterized in that N: P in this composite fertilizer or the compound fertilizer
2O
5: K
2The weight ratio of O is 22～26: 18～20: 4～6.
2. fertilizer specially for wheat according to claim 1 is characterized in that, in weight part, every part of composite fertilizer or compound fertilizer also contain 0.05～0.20 part of SEPIGEL 305.
3. fertilizer specially for wheat according to claim 2 is characterized in that, said N: P
2O
5: K
2The weight ratio of O is 24: 20: 4.
4. according to any described fertilizer specially for wheat of claim of claim 1～3, it is characterized in that every part of composite fertilizer or compound fertilizer contain 0.10～0.30 part of stopping composition.
5. fertilizer specially for wheat according to claim 4 is characterized in that, said stopping composition is at least a in sal epsom, sal epsom, calcium sulfate, fused(calcium magnesium)phosphate, secondary calcium phosphate, stone flour, wilkinite, the zeyssatite.
6. fertilizer specially for wheat according to claim 5 is characterized in that, said fertilizer specially for wheat is a nitrogenous source with at least a in urea, ammonium sulfate, ammonium chloride, monoammonium phosphate, the diammonium phosphate.
7. fertilizer specially for wheat according to claim 6 is characterized in that, said fertilizer specially for wheat is the phosphorus source with at least a in monoammonium phosphate, diammonium phosphate, superphosphate of lime, double superhosphate, the fused(calcium magnesium)phosphate.
8. fertilizer specially for wheat according to claim 6 is characterized in that, said fertilizer specially for wheat is the potassium source with at least a in vitriolate of tartar, the Repone K.
9. fertilizer specially for wheat according to claim 1 is characterized in that, in weight part, every part of composite fertilizer or compound fertilizer contain 0.08～0.20 part of attapulgite, and this attapulgite granularity is 160～300 orders, and through 30KHz～40KHz ultrasonic irradiation 2～4min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102909903A CN102391051A (en) | 2011-09-29 | 2011-09-29 | Wheat special fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102909903A CN102391051A (en) | 2011-09-29 | 2011-09-29 | Wheat special fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102391051A true CN102391051A (en) | 2012-03-28 |
Family
ID=45858460
Family Applications (1)
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|---|---|---|---|
| CN2011102909903A Pending CN102391051A (en) | 2011-09-29 | 2011-09-29 | Wheat special fertilizer |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332978A (en) * | 2013-06-08 | 2013-10-02 | 招远市农业技术推广中心 | Winter wheat formula seed fertilizer as well as application method thereof |
| CN103396191A (en) * | 2013-08-03 | 2013-11-20 | 临汾市力澜生物科技有限公司 | Composite fertilizer suitable for wheat in dry land |
| CN103570413A (en) * | 2012-07-28 | 2014-02-12 | 文平兰 | Special formula fertilizer for wheat |
| CN103601549A (en) * | 2013-10-31 | 2014-02-26 | 界首市聚丰家庭农场 | Wheat composite fertilizer suitable for Huaibei Plain |
| CN103819265A (en) * | 2014-01-26 | 2014-05-28 | 微港生物科技江苏有限公司 | Special wheat calcium fertilizer and preparation method thereof, and wheat cultivation method |
| CN103936476A (en) * | 2014-03-07 | 2014-07-23 | 刘业成 | Special wheat efficient fertilizer and preparation method thereof |
| CN104311182A (en) * | 2014-09-19 | 2015-01-28 | 贵州大学 | Method for preparing nutritional fertilizer for wheat |
| CN104311202A (en) * | 2014-11-16 | 2015-01-28 | 刘健 | Compound fertilizer applied to wheat |
| CN104355889A (en) * | 2014-11-18 | 2015-02-18 | 刘健 | Compound fertilizer |
| CN104355756A (en) * | 2014-11-18 | 2015-02-18 | 刘健 | Formulated fertilizer |
| CN104355755A (en) * | 2014-11-17 | 2015-02-18 | 淮北市三丰肥业有限公司 | Blended formulated fertilizer for wheat |
| CN104355890A (en) * | 2014-11-18 | 2015-02-18 | 刘健 | Blended formulated fertilizer applied to wheat |
| CN104355888A (en) * | 2014-11-18 | 2015-02-18 | 刘健 | Formulated fertilizer for wheat |
| CN104628464A (en) * | 2015-01-16 | 2015-05-20 | 宝鸡科尔夫肥业科技有限公司 | Special fertilizer for wheat soil testing formula applied to northwest district and preparation method of special fertilizer |
| CN105085086A (en) * | 2015-09-22 | 2015-11-25 | 界首市俊荣种植专业合作社 | High-yield wheat fertilizer |
| CN105712806A (en) * | 2016-04-28 | 2016-06-29 | 青岛农业大学 | Special water retaining fertilizer for winter wheat |
| CN106256806A (en) * | 2016-08-25 | 2016-12-28 | 湖北鄂东肥业有限公司 | A kind of improving yield of wheat compound fertilizer special and preparation method thereof |
| CN106396820A (en) * | 2015-07-27 | 2017-02-15 | 山东鲁红生物科技有限公司 | Special base fertilizer formula fertilizer for wheat |
| CN106748561A (en) * | 2017-03-16 | 2017-05-31 | 湖北鄂中生态工程股份有限公司 | A kind of wheat tillering fertilizer and its preparation method and application |
| CN107573120A (en) * | 2017-09-14 | 2018-01-12 | 宿州市埇桥区苗安乡农业技术推广站 | A kind of wheat fertilizer |
| CN110407651A (en) * | 2019-09-05 | 2019-11-05 | 西北农林科技大学 | A kind of nutrition efficient wheat breed special fertilizer and its application method |
| CN111868014A (en) * | 2018-02-09 | 2020-10-30 | 瑞南科技私人有限公司 | Intelligent release type nitrogenous fertilizer granule |
| CN111868015A (en) * | 2018-02-09 | 2020-10-30 | 瑞南科技私人有限公司 | Intelligent release type potash fertilizer particle |
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Cited By (29)
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| CN103570413A (en) * | 2012-07-28 | 2014-02-12 | 文平兰 | Special formula fertilizer for wheat |
| CN103332978A (en) * | 2013-06-08 | 2013-10-02 | 招远市农业技术推广中心 | Winter wheat formula seed fertilizer as well as application method thereof |
| CN103396191A (en) * | 2013-08-03 | 2013-11-20 | 临汾市力澜生物科技有限公司 | Composite fertilizer suitable for wheat in dry land |
| CN103601549A (en) * | 2013-10-31 | 2014-02-26 | 界首市聚丰家庭农场 | Wheat composite fertilizer suitable for Huaibei Plain |
| CN103819265A (en) * | 2014-01-26 | 2014-05-28 | 微港生物科技江苏有限公司 | Special wheat calcium fertilizer and preparation method thereof, and wheat cultivation method |
| CN103819265B (en) * | 2014-01-26 | 2016-03-09 | 微港生物科技江苏有限公司 | The special calcareous fertilisers of wheat, its preparation and method of cultivated wheat |
| CN103936476A (en) * | 2014-03-07 | 2014-07-23 | 刘业成 | Special wheat efficient fertilizer and preparation method thereof |
| CN104311182A (en) * | 2014-09-19 | 2015-01-28 | 贵州大学 | Method for preparing nutritional fertilizer for wheat |
| CN104311182B (en) * | 2014-09-19 | 2016-09-28 | 贵州大学 | A kind of method preparing Semen Tritici aestivi nutrition fertilizer |
| CN104311202A (en) * | 2014-11-16 | 2015-01-28 | 刘健 | Compound fertilizer applied to wheat |
| CN104355755A (en) * | 2014-11-17 | 2015-02-18 | 淮北市三丰肥业有限公司 | Blended formulated fertilizer for wheat |
| CN104355889A (en) * | 2014-11-18 | 2015-02-18 | 刘健 | Compound fertilizer |
| CN104355888A (en) * | 2014-11-18 | 2015-02-18 | 刘健 | Formulated fertilizer for wheat |
| CN104355890A (en) * | 2014-11-18 | 2015-02-18 | 刘健 | Blended formulated fertilizer applied to wheat |
| CN104355756A (en) * | 2014-11-18 | 2015-02-18 | 刘健 | Formulated fertilizer |
| CN104628464A (en) * | 2015-01-16 | 2015-05-20 | 宝鸡科尔夫肥业科技有限公司 | Special fertilizer for wheat soil testing formula applied to northwest district and preparation method of special fertilizer |
| CN106396820A (en) * | 2015-07-27 | 2017-02-15 | 山东鲁红生物科技有限公司 | Special base fertilizer formula fertilizer for wheat |
| CN105085086A (en) * | 2015-09-22 | 2015-11-25 | 界首市俊荣种植专业合作社 | High-yield wheat fertilizer |
| CN105712806A (en) * | 2016-04-28 | 2016-06-29 | 青岛农业大学 | Special water retaining fertilizer for winter wheat |
| CN106256806A (en) * | 2016-08-25 | 2016-12-28 | 湖北鄂东肥业有限公司 | A kind of improving yield of wheat compound fertilizer special and preparation method thereof |
| CN106748561A (en) * | 2017-03-16 | 2017-05-31 | 湖北鄂中生态工程股份有限公司 | A kind of wheat tillering fertilizer and its preparation method and application |
| CN106748561B (en) * | 2017-03-16 | 2018-03-30 | 湖北鄂中生态工程股份有限公司 | A kind of wheat tillering fertilizer and its preparation method and application |
| CN107573120A (en) * | 2017-09-14 | 2018-01-12 | 宿州市埇桥区苗安乡农业技术推广站 | A kind of wheat fertilizer |
| CN111868014A (en) * | 2018-02-09 | 2020-10-30 | 瑞南科技私人有限公司 | Intelligent release type nitrogenous fertilizer granule |
| CN111868015A (en) * | 2018-02-09 | 2020-10-30 | 瑞南科技私人有限公司 | Intelligent release type potash fertilizer particle |
| US11649195B2 (en) | 2018-02-09 | 2023-05-16 | Rynan Technologies Pte Ltd. | Smart release nitrogen-containing fertilizer granules |
| CN111868014B (en) * | 2018-02-09 | 2023-12-08 | 瑞南科技私人有限公司 | Intelligent release type nitrogen-containing fertilizer particles |
| CN111868015B (en) * | 2018-02-09 | 2023-12-08 | 瑞南科技私人有限公司 | Intelligent release type potash fertilizer particles |
| CN110407651A (en) * | 2019-09-05 | 2019-11-05 | 西北农林科技大学 | A kind of nutrition efficient wheat breed special fertilizer and its application method |
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Application publication date: 20120328 |