CN1486962A - Rice fertilizer synergist - Google Patents
Rice fertilizer synergist Download PDFInfo
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- CN1486962A CN1486962A CNA031247148A CN03124714A CN1486962A CN 1486962 A CN1486962 A CN 1486962A CN A031247148 A CNA031247148 A CN A031247148A CN 03124714 A CN03124714 A CN 03124714A CN 1486962 A CN1486962 A CN 1486962A
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Abstract
The rice fertilizer synergist for each tone of fertilizer consists of RE 0.5-4.0 kg, borax 0.5-5.0 kg, hydroquinol 0.5-3.5 ke, cyanoguanidine 0.5-2.5 kg and silicon fertilizer 5.0-35.0 kg. It is solid powdered matter, water soluble, smell-less, safe and suitable for various varieties of rice, and has no toxic side effect and environmental pollution. It can raise the fertilizer utilization greatly and rice yield.
Description
Technical field
The present invention is a kind of paddy rice formulated fertilizer synergist, is used for the big area Rice Production, comprises that early rice, semilate rice and late rice produce, and improves rice plant root system absorptive character, increases the paddy rice photosynthetic rate, improves rice yield.
Background technology
Fertilizer and fertilising remain the important factor of the present agriculture production of China, chemical fertilizer accounts for 30%～40% to the production-increasing function of farm crop, but utilization rate of fertilizer is also lower, nitrogen about 30～35%, phosphorus is 10～20%, and potassium is about 35～50%, and diazonium, light phosphorus, ignores the phenomenon ubiquity of potassium, this not only has a strong impact on and has restricted the yield potential of crop, has also aggravated the loss and the environmental pollution of nitrogenous fertilizer.Therefore, improving utilization rate of fertilizer is extremely important to agriculture production and China's Economic development.
Paddy rice rational application of fertilizers technology is a kind of novel fertilizer application technology that grows up on balance corresponding fertilization technical foundation, and promptly according to the requirement of rice high yield cultivation, it is fertile to make prescription according to paddy rice regulation of fertilizer requirement and soil fertility condition and nutrition status of the plant etc.Popularization and application that prescription is fertile can be alleviated diazonium, light phosphorus to a certain extent, ignore the phenomenon of potassium, have improved utilization rate of fertilizer.But because its production cost is higher, cause on the high sidely, exist and promote difficult problem, further enlarge market, just need on the basis that does not reduce fertilizer efficiency, reduce production costs, reduce and drop into, thereby reduction price.
Therefore, how to improve fertilizer utilization ratio, become current urgent problem.Fertilizer synergist is a kind of chemical reagent that can make crop yield, improve quality, is a new increasing production and practising economy modern technique.The development work that China agricultural science and technology worker has extensively carried out fertilizer synergist, as: the New-type wide-spectrum nitrogenous fertilizer long-acting synergist of Shenyang Inst. of Applied Ecology, Chinese Academy of Sciences's development " fertile grand " is the inhibition of collection urase, inhibiting nitrification, ammonia is stable and plant growth substance is the durable potentiating agent for nitrogen fertilizer of one.Becoming nitrogenous fertilizer repeatedly uses to base once and executes, in the crop whole growth phase, can topdress, prolong the fertilizer effectiveness phase, make the fertile feature of confession of nitrogenous fertilizer and crop be tending towards synchronous to the absorbing rule of nutrition, reach plant growth in earlier stage do not overgrow in overfertilization, mid-term, the later stage do not take off fertilizer, promote plant growth, improve crop yield.Amount of increase in production is 7.2%～19.8% on corn for it, and paddy rice is on average increased production about 10%.The new-type fertilizer synergistic agent (IFC) of Yangzhou University and clay fertilizer station, Zhengjiang City joint research and development can promote the crop root growth, strengthens the balance absorption of crop to various nutrients, and certain yield increasing effect is arranged.Test-results shows: use a certain amount of IFC and can promote that hybridisation rice grows, increase colony's stem tiller number, improve the stem tiller percentage of earbearing tiller, enlarge the canopy leaf area, increase canopy leaf chlorophyll content and improve rate of photosynthisis, thereby improve the photosensitizing substance turnout, improve economic yield and economic coefficient.
Though the development of synergistic agent has obtained certain progress, but still have defective, effect of increasing production is still not remarkable.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can increase substantially utilization rate of fertilizer and increase rice yield, reach fat-reducing synergic paddy rice formulated fertilizer synergist.
The object of the present invention is achieved like this: use being used of urease inhibitor and nitrification inhibitor, and the application of rare earth, the particularly application of slowly-releasing, controlled-release technology, for increasing substantially utilization rate of fertilizer and increasing rice yield, reaching fat-reducing synergic purpose provides technical guarantee.
Component in contained weight kilogram in one ton of prescription fertilizer is as follows:
Rare earth 0.5～4.0
Borax 0.5～5.0
Quinhydrones 0.5～3.5
Dyhard RU 100 0.5～2.5
Siliceous fertilizer 5.0～35.0
Preferred component in contained weight kilogram in one ton of prescription fertilizer is as follows:
Rare earth 0.5～2.0
Borax 0.5～3.0
Quinhydrones 0.5～1.5
Dyhard RU 100 0.5～1.5
Siliceous fertilizer 10.0～20.0
Best composition in contained weight kilogram in one ton of prescription fertilizer is as follows:
Rare earth 1.0
Borax 2.0
Quinhydrones 1.0
Dyhard RU 100 1.0
Siliceous fertilizer 15
Rare earth nitrate can use humic acid rare earth, amino-acid rare earth or sulfuric acid rare earth to replace in the component of the present invention, and various RE composite can be used separately, also can compoundly use.Rare earth has the effect of raising crop to the receptivity of nutritive element in synergistic agent, behind the rice application rare earth, can promote the absorption of P, K, and the function that has therefore strengthened blade is avoided early ageing; Improve enzymic activity, enhance metabolism.Using rare earth can make and do that nitrate reductase activity strengthens in the object, the timely conversion of sorbefacient nitric nitrogen, in addition, rare earth has also improved the activity of making enzymes such as Vitamin C oxidase, polyphenoloxidase, peroxidase, desaturase in the object, improves chlorophyll content, strengthens photosynthesis, promote that photosynthate turns round to fructification, improve the crop economy proterties, improved the resistance of crop, thereby increase rice yield.
Borax can suppress the effect of urase to a certain extent in the component of the present invention, simultaneously, can replenish the demand of paddy rice to boron.Borax can replace with Sodium Tetraborate in the component.
Quinhydrones suppresses hydrolysis of urea as the effect of urease inhibitor inhibition urase in the component of the present invention, reduces the effect of ammonia loss by volatilization.
Dyhard RU 100 is as nitrification inhibitor in the component of the present invention.The loss approach of nitrogenous fertilizer mainly contains nitrification and denitrification, drip washing and runoff and ammonia volatilization.The nitrification of ammonium not only can produce small amount of N
2O, and formed nitric nitrogen also is easy to lose by denitrification and drip washing.Therefore, concerning ammonium fertilizer and can form the nitrogenous fertilizer of ammonium, delaying or suppress the carrying out of its nitrification, is to reduce the loss, and increases operation rate and reduces one of important channel of environmental influence.Dyhard RU 100 is the more a kind of nitrification inhibitor of Recent study, compares with other nitrification inhibitors, and DCD has advantages such as better water solubility and degraded thoroughness.
Siliceous fertilizer available ca magnesium siliceous fertilizer or silicomanganese are fertile in the component of the present invention replaces.Silicon can produce good physiological effect to paddy rice, makes the rice plant stalwartness, improves the ability of disease and insect resistance, traces it to its cause, and silicon can be deposited in the lignified cell walls as the polyuronide structure with the derivative of class ester type.
The present invention is simple for use, adds in per ton 2% ratio when the fertile making of prescription, and the making synergistic formula fertilizer uses and gets final product, and can reduce fertilizer amount as one sees fit during use.
The increasing production of rice effect that obtains with the present invention can significantly promote the growth of root system between 7.0%～12.7%, the utmost point significantly improves root system volume, total absorption area and enlivens absorption area, but little to the root system effect of vigor.The present invention has certain influence to rice plant lower blade photosynthetic performance, can promote that chlorophyll content increases slightly, photosynthetic rate increases, simultaneously, the present invention also can improve the stomatal conductance and the transpiration rate for the treatment of water rice plants, improve nutrient at the intravital transport condition of plant, increase the power that root system absorbs nutrient.The present invention can improve the tillering ability of rice plant, increases the dry-matter accumulation amount.The present invention who reduces fertilizer amount 10% and 20% handles than fertile the processing slightly of prescription and increases production.
The present invention is the solid powdery material, and is soluble in water, and free from extraneous odour is safe in utilization, has no side effect, and the life-time service environmentally safe is applicable to all kinds Rice Production.
Manufacturing process of the present invention is as follows:
Each component is measured respectively, is pulverized by proportioning, is delivered to mixing in the mixing equipment through transfer equipment, in 2% the ratio and fertile each the component mixing of filling a prescription, is sent to the tablets press granulating and forming then, carries out packing again.
Embodiment
Illustrate below, but the present invention does not limit to and following example.
Embodiment 1: the preparation of Powdered paddy rice formulated fertilizer synergist (to produce 1000 tons of synergistic formula fertilizer consumptions) takes by weighing rare earth nitrate 1000Kg, borax 2000Kg (borax effective constituent 〉=90%), quinhydrones 1000Kg (containing quinhydrones effective constituent 〉=95%), Dyhard RU 100 1000Kg, siliceous fertilizer 15 000Kg (contain SiO
2Effective constituent 〉=25%).Separated pulverizing, mixing mixes granulation, packing with fertile each component of prescription then.
The using method of Powdered paddy rice formulated fertilizer synergist:
With the fertile using method of conventional formulation, synergistic formula fertilizer was than fertile 20% consumption that reduces of conventional rice prescription when suggestion was used, and base is executed, and does not execute other fertilizer later on.
The result of use of Powdered paddy rice formulated fertilizer synergist:
Calendar year 2001, early rice field experiment result showed, synergistic formula fertilizer is handled volume increase 7.0%, reduced the synergistic formula fertilizer of fertilizer amount 20% and handled slightly volume increase, and thousand seed weight is little with real grain number difference.
The paddy rice formulated fertilizer synergist is to the influence of No. 31 economic characters of Xian early of calendar year 2001 early rice Hunan
Date is handled the real grain of effective fringe grain number per spike number thousand seed weight theoretical yield actual output
10
4·hm
-2 g Kg·hm
-2 Kg·hm
-2
(1) 381.0 91.9 70.1 27.0 7210 6825
Calendar year 2001
Early rice (2) 393.0 86.8 70.5 27.0 7,476 7356
(3) 364.0 85.0 70.0 26.8 6838 6875
Annotate: (1) prescription is fertile to be handled; (2) synergistic formula fertilizer is handled; (3) 80% synergistic formula fertilizers are handled;
The result of use of Powdered paddy rice formulated fertilizer synergist:
The potted plant result of semilate rice showed in 2002, synergistic agent is all little to rice plant plant height, effective fringe influence, the sterile grain rate of handling C is higher, reach 12% ± 6.1, and D, E processing sterile grain rate is lower, is 6.7% ± 2.38,6.9% ± 0.49, and the fertile treatments B of filling a prescription is 8% ± 1.2, it is the highest not have fertile district's processing A sterile grain rate, reaches 15.1% ± 9.It is more bigger than the fertile treatments B of prescription to handle the C weight of thousand grain.Synergistic formula fertilizer is handled C than the fertile treatments B volume increase 8.6% of prescription, but no difference of science of statistics; The processing D, the E that reduce fertilizer amount 10%, 20% slightly increase production than the fertile C of processing of prescription, also do not reach the significant difference level; The processing F that reduces fertilizer amount 30% is than handling the C underproduction 18.9%, and and handle between C, D, E, B and have utmost point significant difference, and difference is not remarkable between C, D, E, the B; Difference is extremely remarkable between the fertile district of each fertilizer treatment and nothing.
The paddy rice formulated fertilizer synergist is trained the influence of two excellent 93 economic characters to pot experiment semilate rice
Handle the real grain of the effective fringe fringe of plant height number sterile grain rate thousand seed weight grain output significant difference
(cm) individual. strain
-1(%) (g) (g. strain
-1) (0.01)
A 97.4 4.9 148.8±25.6 15.1±9.0 20.5±0.8 15.0±2.3 C
B 104.8 8.5 154.8±28.8 8.0±1.2 22.1±0.4 29.1±3.1 A
C 106.8 8.9 159.8±35.5 12.0±6.1 22.2±0.8 31.6±3.9 A
D 106.0 7.6 160.2±13.5 6.7±2.4 21.3±0.4 29.4±3.3 A
E 105.8 7.8 156.4±10.2 6.9±0.5 21.5±0.3 29.2±2.8 A
F 102.2 7.0 144.2±23.9 11.7±1.5 22.4±2.4 23.6±2.9 B
Annotate: A: do not have fertile district B: the fertile district of prescription C: synergistic formula fertilizer district D: reduce fertilizer amount 10% synergistic formula fertilizer district E: reduce fertilizer amount 20% synergistic formula fertilizer district F: reduce fertilizer amount 30% synergistic formula fertilizer district
The result of use of Powdered paddy rice formulated fertilizer synergist:
Calendar year 2001, the late rice experimental result showed, synergistic agent is handled effective fringe to be increased, and grain number per spike increases, and synergistic agent is handled than the fertile volume increase 13.6% of handling of filling a prescription, and reduced the synergistic formula fertilizer processing volume increase 5.8% of fertilizer amount 20%.
The paddy rice formulated fertilizer synergist is to the influence of excellent 198 economic characters of calendar year 2001 late rice gold
Date is handled the real grain of effective fringe grain number per spike number thousand seed weight theoretical yield actual output
10
4·hm
-2 g Kg·hm
-2 Kg·hm
-2
312.3 112.3 ± 15.5 88.5 ± 3.2 25.6 ± 0.6 7075 ± 67 6938 ± 425 calendar year 2001s of I
Late rice II 327.7 125.0 ± 8.6 93.9 ± 5.0 26.3 ± 0.4 8093 ± 58 7885 ± 460
III 316.5 119.1±24.7?92.7±1.8 25.5±0.4 7482±71 7342±330
Annotate: the I prescription is fertile to be handled; The II synergistic formula fertilizer is handled; III reduces the synergistic formula fertilizer of fertilizer amount 20% to be handled
The result of use of Powdered paddy rice formulated fertilizer synergist:
The early rice experimental result showed in 2002, and synergistic agent can increase the effective fringe of paddy rice, increased the real grain of fringe number, increase paddy thousand seed weight, thereby increase rice yield, synergistic agent are handled than the fertile processing volume increase 20.4% of prescription, reduce the synergistic agent of fertilizer amount 20% and handle volume increase 8.1%.
The paddy rice formulated fertilizer synergist was to the early rice Hunan influence of No. 31 economic characters of Xian early in 2002
Date is handled the real grain of effective fringe grain number per spike number thousand seed weight theoretical yield actual output
10
4·hm
-2 g Kg·hm
-2 Kg·hm
-2
① 187.5 54.8 45.1 22.94±0.75 1940 1869±137
2002
② 397.6 78.3 56.7 22.86±0.23 5153 5007±251
Early rice
③ 429.6 86.5 62.9 23.26±0.71 6285 6026±167
④ 411.3 81.9 58.4 23.03±0.34 5532 5413±158
Annotate: 1. do not have fertile district; 2. prescription is fertile handles; 3. synergistic formula fertilizer is handled; 4. 80% synergistic formula fertilizer is handled
The result of use of Powdered paddy rice formulated fertilizer synergist:
The surplus red field experiment result of late rice showed in 2002, and synergistic formula fertilizer is handled volume increase 12.7%, reaches the significant difference level.Thousand seed weight increases slightly, and setting percentage increases.Reduce the processing of fertilizer amount 20% and compare with fertile processing of prescription, effectively fringe increases, and grain number per spike increases, volume increase 4.1%.
The paddy rice formulated fertilizer synergist is to the influence of the surplus right ascension Ji of late rice proterties in 2002
Date is handled the real grain of effective fringe grain number per spike number thousand seed weight theoretical yield actual output
10
4·hm
-2 g Kg·hm
-2 Kg·hm
-2
① 442.8 72.8 55.1 21.83±0.75 5326 4515±435
2002
② 572.4 78.2 64.8 20.7±0.1 7682 7438±315
Late rice
③ 564.4 98.7 67.0 21.5±0.7 8423 8385±600
④ 604.8 80.4 62.8 20.7±0.1 7847 7742±660
Annotate: 1. do not have fertile district; 2. prescription is fertile handles; 3. synergistic formula fertilizer is handled; 4. 80% synergistic formula fertilizer is handled
Embodiment 2: the preparation of Powdered paddy rice formulated fertilizer synergist (to produce 1000 tons of synergistic formula fertilizer consumptions)
Take by weighing rare earth nitrate 500Kg, borax 500Kg (borax effective constituent 〉=90%), quinhydrones 500Kg (containing quinhydrones effective constituent 〉=95%), Dyhard RU 100 500Kg, siliceous fertilizer 5000Kg (contains SiO
2Effective constituent 〉=25%).Separated pulverizing, mixing mixes granulation, packing with fertile each component of prescription then.
To the influence of No. 31 economic characters of Xian early of calendar year 2001 early rice Hunan
Handle the real grain of effective fringe grain number per spike number thousand seed weight theoretical yield actual output
10
4·hm
-2 g Kg·hm
-2 Kg·hm
-2
Contrast 179.5 42.6 56.4 16.5 3,568 3208
Prescription fertile 393.0 86.8 70.5 27.0 7,476 6895
Embodiment 3: the preparation of Powdered paddy rice formulated fertilizer synergist (to produce 1000 tons of synergistic formula fertilizer consumptions)
Take by weighing rare earth nitrate 2000Kg, borax 2200Kg (borax effective constituent 〉=90%), quinhydrones 2500Kg (containing quinhydrones effective constituent 〉=95%), Dyhard RU 100 1500Kg, siliceous fertilizer 25000Kg (contains SiO
2Effective constituent 〉=25%).Separated pulverizing, mixing mixes granulation, packing with fertile each component of prescription then.
Prescription is fertile in the influence of No. 31 economic characters of Xian early of calendar year 2001 early rice Hunan
Handle the real grain of effective fringe grain number per spike number thousand seed weight theoretical yield actual output
10
4·hm
-2 g Kg·hm
-2 Kg·hm
-2
Contrast 179.5 42.6 56.4 16.5 3,568 3208
Prescription fertile 383.0 86.3 70.5 27.1 7,325 7160
Embodiment 4: the preparation of Powdered paddy rice formulated fertilizer synergist (to produce 1000 tons of synergistic formula fertilizer consumptions)
Take by weighing rare earth nitrate 2500Kg, borax 3000Kg (borax effective constituent 〉=90%), quinhydrones 3200Kg (containing quinhydrones effective constituent 〉=95%), Dyhard RU 100 2000Kg, siliceous fertilizer 30 000Kg (contain SiO
2Effective constituent 〉=25%).Separated pulverizing, mixing mixes granulation, packing with fertile each component of prescription then.
Prescription is fertile in the influence of No. 31 economic characters of Xian early of calendar year 2001 early rice Hunan
Handle the real grain of effective fringe grain number per spike number thousand seed weight theoretical yield actual output
10
4·hm
-2 g Kg·hm
-2 Kg·hm
-2
Contrast 179.5 42.6 56.4 16.5 3,568 3208
Prescription fertile 393.0 86.8 70.5 27.0 7,476 7356
Embodiment 5: the preparation of Powdered paddy rice formulated fertilizer synergist (to produce 1000 tons of synergistic formula fertilizer consumptions)
Take by weighing rare earth nitrate 4000Kg, borax 5000Kg (borax effective constituent 〉=90%), quinhydrones 3500Kg (containing quinhydrones effective constituent 〉=95%), Dyhard RU 100 2500Kg, siliceous fertilizer 35000Kg (contains SiO
2Effective constituent 〉=25%).Separated pulverizing, mixing mixes granulation, packing with fertile each component of prescription then.
Fill a prescription fertile D to the influence of No. 31 economic characters of Xian early of calendar year 2001 early rice Hunan
Handle the real grain of effective fringe grain number per spike number thousand seed weight theoretical yield actual output
10
4hm
-2 g Kg·hm
-2 Kg·hm
-2
Contrast 179.5 42.6 56.4 16.5 3,568 3208
Prescription fertile 383.5 86.8 70.5 27.0 7,476 7210
Claims (6)
1, a kind of paddy rice formulated fertilizer synergist, as follows in the component of contained weight kilogram in one ton of prescription fertilizer:
Rare earth 0.5～4.0
Borax 0.5～5.0
Quinhydrones 0.5～3.5
Dyhard RU 100 0.5～2.5
Siliceous fertilizer 5.0～35.0
2, according to the described a kind of paddy rice formulated fertilizer synergist of claim 1, it is characterized in that: fertile with one ton of prescription
In the preferred component of contained weight kilogram meter as follows:
Rare earth 0.5～2.0
Borax 0.5～3.0
Quinhydrones 0.5～1.5
Dyhard RU 100 0.5～1.5
Siliceous fertilizer 10.0～20.0
3, according to the described a kind of paddy rice formulated fertilizer synergist of claim 1, it is characterized in that: the best composition in contained weight kilogram in one ton of prescription fertilizer is as follows:
Rare earth 1.0
Borax 2.0
Quinhydrones 1.0
Dyhard RU 100 1.0
Siliceous fertilizer 15
4, according to claim 1,2 or 3 described a kind of paddy rice formulated fertilizer synergists, it is characterized in that: described rare earth is one of rare earth nitrate, humic acid rare earth, amino-acid rare earth, sulfuric acid rare earth or combination.
5, according to claim 1,2 or 3 described a kind of paddy rice formulated fertilizer synergists, it is characterized in that: siliceous fertilizer available ca magnesium siliceous fertilizer or silicomanganese are fertile in the described component replaces.
6, according to claim 1,2 or 3 described a kind of paddy rice formulated fertilizer synergists, it is characterized in that: described borax can replace with Sodium Tetraborate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031247148A CN1486962A (en) | 2003-08-05 | 2003-08-05 | Rice fertilizer synergist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031247148A CN1486962A (en) | 2003-08-05 | 2003-08-05 | Rice fertilizer synergist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1486962A true CN1486962A (en) | 2004-04-07 |
Family
ID=34152932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031247148A Pending CN1486962A (en) | 2003-08-05 | 2003-08-05 | Rice fertilizer synergist |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653491A (en) * | 2011-03-04 | 2012-09-05 | 施可丰化工股份有限公司 | Application of composite synergist into Southern double cropping rice |
| CN102816018A (en) * | 2012-07-31 | 2012-12-12 | 马鞍山科邦生态肥有限公司 | Special fertilizer for early rice as well as preparation method thereof |
| CN104335749A (en) * | 2013-11-28 | 2015-02-11 | 华中农业大学 | Method for reducing ammonia volatilization in soil urea of dry direct seeding rice by using urease inhibitor |
| CN105565943A (en) * | 2014-10-10 | 2016-05-11 | 王连营 | Chinese herb fertilizer synergist and preparation method thereof |
| CN105669332A (en) * | 2016-01-15 | 2016-06-15 | 江西省农业科学院土壤肥料与资源环境研究所 | Paddy field nitrogen fertilizer synergist and application method thereof |
| CN110372459A (en) * | 2019-09-03 | 2019-10-25 | 沈阳美华农业有限公司 | A kind of environment-protection nano carbon rare earth fertilizer and preparation method thereof |
| CN110663333A (en) * | 2019-10-30 | 2020-01-10 | 浙江大学 | Fertilizer-saving and fertilizing method for Jiangxi double cropping rice based on silicon element synergistic effect |
-
2003
- 2003-08-05 CN CNA031247148A patent/CN1486962A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653491A (en) * | 2011-03-04 | 2012-09-05 | 施可丰化工股份有限公司 | Application of composite synergist into Southern double cropping rice |
| CN102816018A (en) * | 2012-07-31 | 2012-12-12 | 马鞍山科邦生态肥有限公司 | Special fertilizer for early rice as well as preparation method thereof |
| CN102816018B (en) * | 2012-07-31 | 2014-05-14 | 马鞍山科邦生态肥有限公司 | Special fertilizer for early rice as well as preparation method thereof |
| CN104335749A (en) * | 2013-11-28 | 2015-02-11 | 华中农业大学 | Method for reducing ammonia volatilization in soil urea of dry direct seeding rice by using urease inhibitor |
| CN105565943A (en) * | 2014-10-10 | 2016-05-11 | 王连营 | Chinese herb fertilizer synergist and preparation method thereof |
| CN105669332A (en) * | 2016-01-15 | 2016-06-15 | 江西省农业科学院土壤肥料与资源环境研究所 | Paddy field nitrogen fertilizer synergist and application method thereof |
| CN110372459A (en) * | 2019-09-03 | 2019-10-25 | 沈阳美华农业有限公司 | A kind of environment-protection nano carbon rare earth fertilizer and preparation method thereof |
| CN110663333A (en) * | 2019-10-30 | 2020-01-10 | 浙江大学 | Fertilizer-saving and fertilizing method for Jiangxi double cropping rice based on silicon element synergistic effect |
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