CN102180728A - Anti-rice blast special rice yield-increasing fertilizer - Google Patents
Anti-rice blast special rice yield-increasing fertilizer Download PDFInfo
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Abstract
The invention discloses an anti-rice blast special rice yield-increasing fertilizer, which contains nitrogen, in terms of N, in plant nutrient elements; phosphorus, in terms of P2O5; potassium, in terms of K2O; and a chelate medium, trace element additive T, wherein the weight ratio is: N:P2O5:K2O:T=1:2:0-5.0:0.429>=T>0.0. The purpose of the anti-rice blast special rice yield-increasing fertilizer of the invention is to control rice blast, rice false smut and aplelenchiodes bessegi of rice. The beneficial effects of the invention are that the invention provides a safe and nontoxic fertilizer with pesticide functions in agriculture, initiates a precedent for controlling rice soil-borne diseases by compound fertilizers, effectively controls the invasion of rice nematodes and fungi thereof, significantly decreases the incidence of rice blast after the application of the fertilizer, provides a reduction rate of rice blast of up to above 87.5%, allows the field incidence to decrease from 98% to less than 10%; and the yield increasing effect is substantial after the application of the invention.
Description
Technical field
The present invention relates to the dedicated fertilizer of a kind of paddy rice, particularly be the anti-rice blast rice production promoting fertilizer.
Background technology
Paddy rice is one of main in the world grain product.Because the influencing paddy rice and can suffer from a kind of destructive disease of environment and growth cycle, as class diseases such as rice blast (causing), helminthosporium leaf spot, banded sclerotial blight, bacterial leaf-blight, bacterial stripe, stripe virus disease, black streak dwarf, yellow dwart, false smut, rice kernel smut, bakanae disease, Aplelenchiodes bessegi of rice, directly cause paddy rice variable color, necrosis, rotten, wilting, lopsided until causing plant death, the underproduction, total crop failure, total crop failure by fungi.For preventing the infringement of paddy rice nematode and fungi, the effective measure that adopt are crop rotations usually, apply the highly toxic pesticide control simultaneously; Except that with the fertile control of the medicine that contains highly toxic pesticide, recent, people are inquiring into the various diseases of technology prevention paddy rice such as using chitinase technology, transgenic paddy rice.But because land area is limited, the rotation of crops is restricted; When using highly toxic pesticide or containing the medicated fertilizer of highly toxic pesticide, when killing paddy rice nematode and fungi, unavoidably there is pesticide residue to exist in soil and the paddy rice, very unfavorable behind edible this agricultural products to human body; Chitinase technology still prematurity haves much room for improvement, and transgenic paddy rice food safety people still have doubt.The harm that paddy rice oxyuriasis and mycosis cause can't but be one of one of them important factor.Therefore, can prevent and treat the infringement of paddy rice nematode and fungi with fertilizer without agricultural chemicals is that people thirst for the technical problem that solves always.
Though domestic various crops general " fertilizer " have appearred, in these fertilizer because micronutrient element is without handling such as chelating one class, poor activity, after using often fertilizer damage greater than fertilizer efficiency; Though have through chelation treatment, because of the sequestrant of selecting for use improper, or because of various nutrients cooperate ratios improper, cause preventing and treating paddy rice nematode and fungi infringement, increase rice yield or improve rice quality effect undesirable.
Summary of the invention
The objective of the invention is to overcome above-mentioned technical deficiency, provide a kind of contain behind plant nutrient, the chelating in, trace element make in, trace mineral supplement fertilizer, be characterized in the purpose that combines achieve effective control paddy rice fungi and nematode infringement with the non-nutrient effect and the trophism of plant nutrient without agricultural chemicals; Simultaneously with the non-nutrient of plant nutrient with in, the micro-element nutrition effect use that combines, reach control paddy rice fungi and nematode.
The technical scheme that solves the problems of the technologies described above is:
A kind of anti-rice blast rice production promoting fertilizer, described anti-rice blast rice production promoting fertilizer contains the nitrogen in N in the plant nutrient; With P
2O
5The phosphorus of meter; With K
2The potassium of O meter; In behind the chelating, trace mineral supplement T, in the proportioning of weight part be:
N∶P
2O
5∶K
2O∶T＝1∶2∶0～5.0∶0.429≥T＞0.0。
The invention provides a kind of purposes of anti-rice blast rice production promoting fertilizer, described purposes is for being used to control rice blast, false smut and Aplelenchiodes bessegi of rice.
Beneficial effect of the present invention is: the present invention provides a kind of safety non-toxic for agricultural but fertilizer with agricultural chemicals function, started application composite fertilizer control paddy rice continuous cropping obstacle---the precedent of soil-borne disease, control the infringement of rice fungus diseases and oxyuriasis effectively, use the back rice blast rate of going down and reach more than 87.5%, paddy rice nematode sickness rate significantly descends simultaneously; It is remarkable to use increasing production of rice effect of the present invention: use 1～9 times of fertile contrast of the comparable nothing of this fertilizer or local habits fertilization (executing phosphorus two ammoniums and urea) volume increase when serious morbidity; At slight sickness rate with when not falling ill, increase production 2%～16%; Use this fertilizer and can obviously improve rice quality: rice varieties sky excellent 998 is said, compared with habits fertilization, significantly improve the quality of paddy rice, make the crude fat content of some paddy rice bring up to 23%, and protein content does not fall, the two-phase sum is greater than 62%; Simultaneously, behind this incorporation of fertilizerin the soil, soil and paddy rice there are not the residual of agricultural chemicals and pollution; And after this season fertilising, the plant nutrient that paddy rice does not absorb fully, part residues in the soil, can not produce harmful effect, can play the effect of culture fertility again; Simultaneously, the present invention do not take place rice disease the plot on, can make general paddy rice fertilizer and use.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail:
The invention provides a kind of anti-rice blast rice production promoting fertilizer, described anti-rice blast rice production promoting fertilizer contains the nitrogen in N in the plant nutrient; With P
2O
5The phosphorus of meter; With K
2The potassium of O meter; In behind the chelating, trace mineral supplement T, in the proportioning of weight part be:
N∶P
2O
5∶K
2O∶T＝1∶2∶0～5.0∶0.429≥T＞0.0。
In behind the described chelating, trace mineral supplement T for a kind of sequestrant of from EDDHA, EDPA, HEDTA, DTPA, CDTA, TEA, NTA, EGTA, selecting with in, trace element chelated back forms.
In described, trace element is from Mg, Ca, SO
4 -2, Na, Mn, B, Zn, Fe, Cu, Mo, Cl
-1In select one or more.
In described, trace element is respectively from following respective compound and obtains:
MgSO
4.7H
2O；(NH
4)
6MO
7O
24.4H
2O；CuSO
4.5H
2O；ZnSO
4.7H
2O；EDTA-Fe；
MnSO
4.5H
2O；Na
2B
4O
7.10H
2O；K
2SO
4；KH
2PO
4；NaHCO
3；C
6H
8O
7H
2O；C
12H
22O
11。
Described fertilizer contains zinc, silicon.
Described fertilizer contains chlorine and/or sodium.
The invention provides a kind of purposes of anti-rice blast rice production promoting fertilizer, described purposes is for being used to control rice blast, false smut and Aplelenchiodes bessegi of rice.
Anti-rice blast rice production promoting fertilizer of the present invention is by the nitrogen that contains the macroelement in the plant nutrient (N), phosphorus (P
2O
5), potassium (K
2O) with chelating after in, the additive (T) made of trace element carries out making after the proportioning, in order to suppress the infringement of paddy rice nematode and fungi, must use excessive nitrogen N, phosphorus P
2O
5, potassium K
2O, because the present invention uses excessive nitrogen, phosphorus, potassium, these excessive nitrogen, phosphorus, potassium are to micronutrient element generation antagonism in soil or the plant, must with in the metallic state of sequestrant with plant nutrient, trace element chelated, join in the plant again, in the micronutrient element, to solve the antagonism problem.As: potassium, boron, iron, zinc, silicon, copper, calcium, magnesium, manganese add nitrogen, phosphorus, potassium;
The preferred technical solution of the present invention is: if grass also must add silicon and organic matter; Another optimal technical scheme of the present invention is: if also need to mend chlorine in the good area, basin of water quality, 16 kinds of nutritive elements of Ren Dinging must be filled 13 kinds in the world, wherein also must add beneficial element sodium Na
2O is to assist the infringement of control nematode and fungi.In behind the chelating, the selection principle of micro-used sequestrant is: because of the edaphic condition difference is selected different sequestrants for use, as: when the soil exchange acidity pH 〉=7.0, select sequestrant EDDHA for use; When soil exchange acidity pH≤7.0, can select for use the sequestrant such as a kind of among EDPA, HEDTA, DTPA:CDTA, TEA, NTA, the EGTA all can.
When poor≤1 of soil exchange acidity and active acidity or≤0.4 the time, please refer to " micronutrient element one book in the agricultural ", must apply middle micronutrient element through chelating, otherwise, can't resolve the mutual antagonistic action between nutrient element.
As soil pH under alkali calcareous soil condition more than 8., can select for use quadrol two (O-hydroxyl phenylacetic acid) sequestrant (being called for short EDDHA) with in the metallic state, trace element chelated, again it is mixed into additive T.Form additive T in, trace metal attitude element connects oxide form and forms, its component and content are:
MgO：8％～15％；CaO：8％～15％；SO
4 -2：8％～15％；
Na
2O：5％～10％；MnO：7％～10％；B
2O
3：4％～10％；
ZnO：5％～10％；FeO：5％～10％；CuO：2％～5％；
Mo
2O
3: 0.5%～1%; Cl
-1: 4%～10%; Surplus is a sequestrant.
Definite principle of the proportioning between sequestrant and the metal nutritive element is: at first measure sequestrant functional group to metal nutrient ionic saturated extent of adsorption (use M ' expression: wherein M represents the metallic state plant nutrient, and the x in its upper right corner represents this nutritive element ion valence mumber); Thereby calculate the metal ion (Mx) and the sequestrant add-on that are added, this has just determined the consumption of a certain metallic state nutritive element and sequestrant; The ratio of these two amounts is exactly this nutritive element and the ratio that cooperates of sequestrant.To determine one by one each metallic state nutritive element.A few days ago, we buy micronutrient element in the metallic state behind the chelating at home and abroad on the market easily, as:
EDDHA-Mg, EDDHA-Mn, EDDHA-Ga, EDDHA-Zn, EDDHA-Fe, EDDHA-cu, EDDHA-Mo etc.
In the heavy metal among the trace mineral supplement T of the present invention, after the micronutrient element process chelation treatment, nutritive element is activated, can be implemented on the production of compound fertilizer line or meet phosphoric acid salt in the soil and not precipitate, thereby keep these nutritive element nutrient availabilities.Under the condition that antagonistic action must take place, the luffing of its component and content be chosen as (additive for preparing is represented with T) as:
MgO：13％；CaO：10％；SO
4 -2：14％；Na
2O：8％；MnO：9％；
B
2O
3：6％；ZnO：10％；FeO：10％；CuO：3％；Mo
2O
3：1％；Cl
-1：10％
In additive, require minimum plant nutritive element available nutrient to account for additive total amount 〉=20%.
The additive T that said components is formed makes the present invention according to the proportioning in the claim 1.
Minimum plant nutritive element additive T cooperates with a large amount of nitrogen, phosphorus, potassium respectively, and the cooperation ratio should be carried out national standard GB15063-2008.When the present invention specifically implements, nitrogen (N), phosphorus (P2O5), potassium (K2O) can suit measures to local conditions (the soil testing and fertilizer recommendation principle of using by China Ministry of Agriculture rational application of fertilizers principle or Global Access) select ammonium chloride or urea, calcium superphosphate or phosphorus two ammoniums, Repone K or vitriolate of tartar for use.
When the present invention specifically implements, nitrogen (N), phosphorus (P
2O
5), potassium (K
2O) suit measures to local conditions (the soil testing and fertilizer recommendation principle of using by China Ministry of Agriculture rational application of fertilizers principle or Global Access) select ammonium chloride or urea, calcium superphosphate or phosphorus two ammoniums, Repone K or vitriolate of tartar for use.Table 1 is the formula rate and the plant protection effect abridged table thereof of anti-rice blast rice production promoting fertilizer.
Table 1
The principle of the choice of nutritive element is in this proportioning: the amount of each element in proportion, rational application of fertilizers or the soil testing and fertilizer recommendation principle carried out by China determine, the nutritive element of supplying in the soil to be lacked, as when not lacking chlorine, calcium, copper etc. in the soil, can be without these nutritive elements; Simultaneously, nutritive element is suitably selected in the non-nutrient effect that consider plant nutrient.
Below preparation technology of the present invention is described: the present invention adopts general preparation technology; that is: the formation of the various raw materials of the present invention is pressed table 1 configuration; its preparation technology is: at first with the raw material pulverizing of luming; proportional quantity in the table 1 mixes; putting into stirrer stirs; stirred materials is pulverized through pulverizer, entered the tablets press granulation, granularity is that 65～100 orders are better.For keeping the moisture of granularity, make finished product have adsorptivity, should pack at once.
Below the present invention is controlled the purposes of paddy rice fungi and nematode infringement, and the application of paddy rice main quality influence described in detail: the present invention be will be commonly used fertilizer and the reasonably combined formation of plant nutrient, not only utilize the trophism of well-known fertilizer and nutritious element, more important is to have paid attention to the non-nutrient effect in the nutritive element, effectively controls the infringement of paddy rice fungi and nematode and causes rice disease.The present invention utilizes the reasonable cooperation of multielement toxicological harmless material, and various elements can interact with other key elements except that himself having unique effect, can improve, adjust other elemental function.But in the plantation farm crop, disease-resistant, the anti-disaster ability that strengthens farm crop arranged.
Below the present invention is controlled rice blast, increases output, the practical application that improves quality is described as follows:
One, test objective
Observe the effect of anti-rice blast rice production promoting fertilizer material in Rice Production.
Two, test design
(1). test site: experimental field select according to fungi infestation degree in the soil, respectively in Jiamusi duty get profit farm (rice blast region of disease), changde, hunan experimental field (rice blast moderate lesion), Dawa County, Liaoning Province (the slight region of disease of rice blast), they represent substantially rice blast seriously ill, in, light three types.
(2). test is handled:
The present patent application people carried out field test in 2010, buied the field test that medicine fertilizer 2 (referring to doubly rich 201 medicine fertilizer), fertile 1 big dragon (referring to big dragon medicine fertilizer) of medicine and the present invention carry out paddy rice-dedicated fertilizer respectively on market, and test is handled:
Above-mentioned three experimental field are 10 processing, and three repetitions are with arrangement; Processing is respectively: do not apply fertilizer, 6 prescriptions of two ammoniums (referring to execute phosphorus two ammoniums), medicine fertilizer 1 (referring to big dragon medicine fertilizer), medicine fertilizer 2 (referring to doubly rich 201 medicine fertilizer) and above-mentioned different embodiment of the present invention; Rate of fertilizer application connects local custom or fertilizer explanation, is respectively 10 kilograms/mu of phosphorus two ammoniums, model field is 3000-4000m2.The fertilizing method of all processing is identical, and promptly elder generation ploughs after fertilizer is sprinkled into rice terrace.
Gather the mixed soil sample of each random sampling experimental field before the test, the conventional analytical procedure of utilization has been measured the essential property of soil.On July 1st, 2009 to fertilizing method test seedling stage surviving rate investigation, July 18 to Jiamusi duty get profit farm, changde, hunan experimental field, Dawa County, Liaoning Province carried out the field investigation of rice blast curative ratio and paddy rice growing way, random sampling 10 strains are averaged.After the results, the sub-district singles singly receive.
1). test 1: Jiamusi duty farm of getting profit
Tangible rice blast appearred from July 20th, 2009, its sickness rate reaches 98%, selects the plot to carry out following processing respectively to this farm: do not apply fertilizer, execute two ammonium fertilizer, fertile 1 big dragon of dispenser, dispenser fertilizer 2, embodiments of the invention 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment 6.Experimental result shows, the rice blast sickness rate is respectively 98%, 98%, 15.5%, 10.41%, // 11.95%, 8.58%, 12.0%, 2.47%, 2.65%, 2.21%.
Using embodiments of the invention 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment the rice blast diseased plant seldom to occur in 6 test sites, the rice plant growing way is vigorous, 90 centimetres of plant height average out to, and well developed root system is significantly better than other processing.
2). experiment 2: Dawa County, Liaoning
Tangible rice blast appearred from July 20th, 2009, its sickness rate reaches 99%, selects the plot to carry out following processing respectively to this farm: do not apply fertilizer, execute two ammonium fertilizer, fertile 1 big dragon of dispenser, dispenser fertilizer 2, embodiments of the invention 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment 6.Experimental result shows that the rice blast sickness rate is respectively 100%, 99%, 14.8%, 11.541%, 11.64%, 9.45%, 12.68%, 2.67%, 2.35%, 2.11%.Using embodiments of the invention 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment rice blast seldom to occur in 6 test sites, the rice plant growing way is vigorous, 88 centimetres of plant height average out to, and well developed root system is significantly better than other processing.
3). experiment 3: changde, hunan
Tangible rice blast appearred from July 20th, 2009, its sickness rate reaches 98%, selects the plot to carry out following processing respectively to this farm: do not apply fertilizer, execute two ammonium fertilizer, fertile 1 big dragon of dispenser, dispenser fertilizer 2, embodiments of the invention 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment 6.Experimental result shows that the rice blast sickness rate is respectively 99%, 99%, 14.5%, 8.78%, 11.45%, 9.65%, 12.79%, 8.10%, 7.81%, 6.54%.Using embodiments of the invention 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment the rice blast diseased plant seldom to occur in 6 test sites, the rice plant growing way is vigorous, 89 centimetres of plant height average out to, and well developed root system is significantly better than other processing.
(3), experimental result
1). test 1: Jiamusi duty farm of getting profit
Duty farm result of experiment of getting profit in Jiamusi shows: use the processing of paddy rice fertilizer and compare with the contrast of not applying fertilizer, breeding time is 3 days maturations in advance, and its 100-grain weight, plant height, grain yield all have tangible increase effect.Two ammoniums, fertile 1 big dragon of medicine, medicine fertilizer 2, embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment 6 do not increase production 4%, 543%, 600%, 594%, 628%, 452%, 858%, 833%, 940% respectively than there being fertile contrast; Compare with medicine fertilizer 2, prescription 4,5,6 has certain effect of increasing production, and embodiment 3,4,6 effect of increasing production are very obvious.
2). experiment 2: Dawa County, Liaoning
Dawa County, Liaoning result of experiment shows: two ammoniums, fertile 1 big dragon of medicine, medicine fertilizer 2, embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment 6 do not increase production 0.6%, 6.3%, 10.9%, 10.5%, 13.8%, 9.3%, 22.6%, 24.3%, 25.8% respectively than there being fertile contrast.Find that in result's investigation plant height, the 100-grain weight of prescription 1 all are best, in full accord with the output performance.The volume increase value of having only prescription 1 not have fertile contrast, traditional fertilization two ammoniums has reached conspicuous level, though the output of prescription 4,5,6 is better than contrast, two ammoniums, medicine fertile 2 or fertile 1 big dragon (containing highly toxic pesticide) of medicine, does not reach the conspicuous level on the statistics.Model field is higher than fertile 1 big dragon of medicine, medicine fertilizer 2 with rice yield major part of the present invention.
3). experiment 3: changde, hunan
The changde, hunan result of experiment shows: two ammoniums, fertile 1 big dragon of medicine, medicine fertilizer 2, embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment 6 do not increase production 79%, 111%, 136%, 159%, 169%, 148%, 176%, 179%, 198% respectively than there being fertile contrast.The output of 6 Example formulations is significantly higher than phosphorus two ammoniums and fertile 1 big dragon (containing highly toxic pesticide) of medicine, and 6 Example formulations output are higher than medicine fertilizer 2.
6 prescriptions of anti-rice blast rice production promoting fertilizer of the present invention all can obviously suppress the symptom of rice blast; Light and moderate experimental field though do not show rice blast, passes through that mid-term, the survey showed that in rice blast morbidity, and the using of this fertilizer can obviously be improved fungi and the nematode rate that goes down.Show in rice blast morbidity three test site test-results in various degree: anti-rice blast rice production promoting fertilizer of the present invention all has certain production-increasing function to the output of paddy rice, but amount of increase in production has evident difference.At the get profit production-increasing function highly significant on farm of the serious Jiamusi duty of morbidity, compare with the contrast traditional fertilization, beyond place's prescription 5, other prescriptions have all reached significantly and extremely significant level, also there is production-increasing function preferably lighter changde, hunan and Dawa County, Liaoning in morbidity, the production-increasing function of part prescription has also reached the conspicuous level on the statistics, as seen this fertilizer has the effect of two aspects, one can alleviate serious rice blast, the symptom of false smut and oxyuriasis, significant production-increasing function is arranged, its two, can be used as rice blast gentlier or the paddy rice fertilizer on the soil of not falling ill, tangible production-increasing function is arranged equally.
Claims (7)
1. an anti-rice blast rice production promoting fertilizer is characterized in that described anti-rice blast rice production promoting fertilizer contains the nitrogen in N in the plant nutrient; With P
2O
5The phosphorus of meter; With K
2The potassium of O meter; In behind the chelating, trace mineral supplement T, in the proportioning of weight part be:
N∶P
2O
5∶K
2O∶T＝1∶2∶0～5.0∶0.429≥T＞0.0。
2. anti-rice blast rice production promoting fertilizer according to claim 1, it is characterized in that behind the described chelating in, trace mineral supplement T for a kind of sequestrant of from EDDHA, EDPA, HEDTA, DTPA, CDTA, TEA, NTA, EGTA, selecting with in, trace element chelated back forms.
3. according to the anti-rice blast rice production promoting fertilizer described in claim 1 or 2, it is characterized in that described in, trace element is for from Mg, Ca, SO
4 -2, Na, Mn, B, Zn, Fe, Cu, Mo, Cl
-1In select one or more.
4. anti-rice blast rice production promoting fertilizer according to claim 3, it is characterized in that described in, trace element is respectively from following respective compound and obtains:
MgSO
4.7H
2O；(NH
4)
6MO
7O
24.4H
2O；CuSO
4.5H
2O；ZnSO
4.7H
2O；EDTA-Fe；
MnSO
4.5H
2O；Na
2B
4O
7.10H
2O；K
2SO
4；KH
2PO
4；NaHCO
3；C
6H
8O
7H
2O；C
12H
22O
11。
5. according to the anti-rice blast rice production promoting fertilizer described in the claim 4, it is characterized in that described fertilizer contains zinc, silicon.
6. according to the described anti-rice blast rice production promoting fertilizer of above-mentioned each claim, it is characterized in that described fertilizer contains chlorine and/or sodium.
7. according to the purposes of the anti-rice blast rice production promoting fertilizer of any claim of claim 1-6, described purposes is for being used to control rice blast, false smut and Aplelenchiodes bessegi of rice.
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| CN103641592A (en) * | 2013-11-11 | 2014-03-19 | 新疆久业富硒农业科技开发有限公司 | Paddy rice rice blast-resistant selenium-rich yield-increasing agent and preparation method thereof |
| CN105384500A (en) * | 2015-11-10 | 2016-03-09 | 无锡市路华肥料科技有限公司 | Rice sheath blight preventing fertilizer |
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| CN107646224A (en) * | 2016-07-25 | 2018-02-02 | 刘新虎 | A kind of soil fertilizer damage release method and agent for releasing |
| CN108530192A (en) * | 2018-06-21 | 2018-09-14 | 安徽省神农农业技术开发有限公司 | A kind of special medicated fertilizer and preparation method thereof of high effect nontoxic prevention rice green smut |
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| CN103182393A (en) * | 2013-03-27 | 2013-07-03 | 天津师范大学 | Method for regulating and controlling festuca arundinacea lawn soil nematode community structure by adopting complexant |
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| CN103641592A (en) * | 2013-11-11 | 2014-03-19 | 新疆久业富硒农业科技开发有限公司 | Paddy rice rice blast-resistant selenium-rich yield-increasing agent and preparation method thereof |
| CN103641592B (en) * | 2013-11-11 | 2015-06-10 | 新疆久业富硒农业科技开发有限公司 | Paddy rice rice blast-resistant selenium-rich yield-increasing agent and preparation method thereof |
| CN105384500A (en) * | 2015-11-10 | 2016-03-09 | 无锡市路华肥料科技有限公司 | Rice sheath blight preventing fertilizer |
| CN105384503A (en) * | 2015-11-10 | 2016-03-09 | 无锡市路华肥料科技有限公司 | Rice blast preventing fertilizer |
| CN107646224A (en) * | 2016-07-25 | 2018-02-02 | 刘新虎 | A kind of soil fertilizer damage release method and agent for releasing |
| CN108530192A (en) * | 2018-06-21 | 2018-09-14 | 安徽省神农农业技术开发有限公司 | A kind of special medicated fertilizer and preparation method thereof of high effect nontoxic prevention rice green smut |
| CN114560742A (en) * | 2022-04-02 | 2022-05-31 | 江西省农业科学院植物保护研究所 | Fertilizer for preventing and treating rice blast and preparation method thereof |
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Application publication date: 20110914 |