CN100351213C - Anti continuous and alternative-year special fertilizer for promoting crop yield and its preparing process - Google Patents
Anti continuous and alternative-year special fertilizer for promoting crop yield and its preparing process Download PDFInfo
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- CN100351213C CN100351213C CNB2006100136929A CN200610013692A CN100351213C CN 100351213 C CN100351213 C CN 100351213C CN B2006100136929 A CNB2006100136929 A CN B2006100136929A CN 200610013692 A CN200610013692 A CN 200610013692A CN 100351213 C CN100351213 C CN 100351213C
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Abstract
The present invention discloses an anti-continuous and alternative-year special fertilizer for promoting crop yield and a preparing process for the special fertilizer. The special fertilizer contains the plant nutrient elements of the following proportion by weight: 1 part of N, 2 parts of P2O5, 0 to 5.0 parts of K2O and 0.0 to 0.429 part of T; in addition, the special fertilizer contains a titanium-ascorbic acid solid compound whose addition accounts for 0.005 to 0.5 % of the weight of the special fertilizer; in the preparing process for the special fertilizer, the special fertilizer is prepared by chemical synthesis and oil cooling. The present invention has the advantages that the titanium-ascorbic acid solid compound has the functions of promoting the absorption of trace elements, etc. for plants, fully exerting the functions of titanium in the process of plant growth, such as promotion to photosynthesis and the synthesis of carbohydrates, increasing the number of root nodules, improving the nitrogen fixing capacity and the resistance to microbes of plants, and increasing the yield of crops; the preparing process of the present invention enables fertilizers to exist in a fusion state at a high temperature so as to have very good fertilizer effect on soil and crops; in the process of granulation realized by the oil cooling, oil temperature falls slowly, granules are cooled uniformly, and pollution brought by heating with coal is reduced.
Description
Technical field
What the present invention related to is that anti continuous and alternative-year promotes special-purpose fertilizer of crop yield and preparation technology thereof.
Background technology
China is farm crop and vegetables big producing country, but the continuous cropping obstacle that exists in continuous identical farm crop of plantation in same ground or vegetables at present is very serious, plantation in promptly 1 year claims " continuous cropping farm crop or vegetables ", when plantation claimed " meeting batch farm crop or vegetables " in the 3rd year sick worm harm serious, serious underproduction phenomenon appears.
For preventing the infringement of disease worm and the underproduction, adopt crop rotation usually, execute simultaneously and remove the highly toxic pesticide control.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 the disease worm, unavoidably there is pesticide residue to exist in soil and farm crop or the vegetables, very unfavorable behind edible this agricultural products to human body.Therefore, the nematode infringement that just can prevent and treat farm crop without agricultural chemicals with fertilizer is that people thirst for the technical problem that solves always.
Though domestic various crops general " second crop 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, improper because of the sequestrant of selecting for use, or join with ratio improperly because of various nutrients, cause insect pests infringement, increase crop yield or improve the effect of crops quality undesirable.
The applicant is at the shortcoming of above-mentioned technology, specially to the continuous cropping obstacle invention a kind of " dedicated fertilizer for meeting next batch of soybean " of the anti continuous and alternative-year of soybean crops, and obtains national patent power, and its patent No. is: 03150396.9.This patent of invention can be controlled the infringement of soy bean cyst roundworm, and the effect that increases soybean yields or improve crops quality is arranged.But above-mentioned patented technology is only for soybean crops, and is undesirable to other crops realization high yields and anti-nematode infringement effect.
In addition, the most of producer of the production technique of fertilizer adopts traditional physical mixed manufactured, and the technology of this physical mixed manufactured mainly comprises the steps: the fertile stirring → pulverizing cylinder granulation → heating, drying → cool → sieve → can of mixing earlier of after metering compound.There is following defective in the technology of above-mentioned physical mixed manufactured compound fertilizer: at first, various fertilizer such as nitrogen, phosphorus, potassium and other additives mostly are particulate state or powdery, stir its composition of back and can not mix fully, and its fertilizer efficiency does not reach the ideal effect.In addition, employed equipment in the heating, drying technology adopts usually and burns the coal heating, or uses electrically heated, and there is the defective of polluting and wasting energy in the employed equipment of above-mentioned heating process.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, a kind of plant nutrient that contains is provided, in behind the chelating, trace element make in, trace mineral supplement fertilizer, be characterized in that non-nutrient effect and the trophism with plant nutrient combines the infringement of achieve effective control nematode without agricultural chemicals, realize that the anti continuous and alternative-year of volume increase promotes special-purpose fertilizer of crop yield and preparation technology thereof.
Another object of the present invention is to overcome the deficiency of above-mentioned technology, a kind of pollution-free, energy-saving and cost-reducing a kind of preparation technology who prepares fertilizer with the chemical synthesis oil cooling is provided.
The technical scheme that solves the problems of the technologies described above is:
A kind of anti continuous and alternative-year promotes crop yield special-purpose fertile, described fertilizer remove contain in the plant nutrient in the nitrogen of nitrogen, with P
2O
5The meter phosphorus, with K
2Outside the potassium of O meter, the following proportioning of the middle trace mineral supplement T weight part meter behind the chelating:
N∶P
2O
5∶K
2O∶T＝1∶2∶0～5.0∶0.429≥T＞0.0
Also contain titanium-xitix solid chemical compound of using as plant-growth regulator, the add-on of described titanium-xitix solid chemical compound is the 0.005-0.5% of described by weight of fertilizer.
The add-on of described titanium-xitix solid chemical compound is the 0.05-0.2% of described by weight of fertilizer.
In behind the described chelating, trace mineral supplement T is: a kind of sequestrant of from quadrol two (O-hydroxyl phenylacetic acid), hydroxyethylethylene diamine three acetic acid, PENTETIC ACID, cyclohexane diamine four acetic acid, trolamine, nitrilotriacetic acid, ethylene glycol bis (2-diamino ethyl ether), four acetic acid, 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。
Described fertilizer contains molybdenum.
Described fertilizer contains chlorine and/or sodium.
A kind of anti continuous and alternative-year promotes the special-purpose fertile preparation technology of crop yield, prepares anti continuous and alternative-year with the chemical synthesis oil cooling and promotes the special-purpose fertile technology of crop yield, and its step is as follows:
Step 1, get the raw materials ready: promote the special-purpose fertile raw material of crop yield to get the raw materials ready according to above-mentioned anti continuous and alternative-year;
Step 2, fusing reaction, oil cooling granulation:
1). the stirring of heating: mixing what prepare after will measuring by a certain percentage is that to be put into temperature be to stir in 80 ℃ of synthesis tanks to main raw material with nitrogen, phosphorus, potassium; 2). fusing reaction: with above-mentioned steps 1) stir raw material after synthetic and put into the reactor fusing of heating, the temperature of heating is 110 ℃-130 ℃; 3). lower the temperature into the congee shape: with above-mentioned steps 2) in raw material melted to send into temperature be to lower the temperature into the congee shape in 80 ℃-100 ℃ the synthesis tank; 4). oil cooling granulation: with above-mentioned steps 3) in the raw material of congee shape send in the shower nozzle in the prilling tower, it is cooling granulation 25 ℃-40 ℃ the oil that the compound fertilizer that flows out from shower nozzle falls into temperature; 5). centrifugation de-oiling: with above-mentioned steps 4) in oil and granular fertilizer send into and carry out particle and separating of oil in the whizzer, make granular fertilizer enter sieve apparatus, oil is back to prilling tower; 6). oven dry, can: with above-mentioned steps 5) in send into drying plant oven dry from the effusive granular fertilizer of sieve apparatus, send into the filling machine can again and become bag; 7). finish.
The invention has the beneficial effects as follows: the middle trace mineral supplement T behind nitrogen, phosphorus, potassium and the chelating of the special-purpose fertile utilization routine of anti continuous and alternative-year promotion crop yield not only has makes middle micronutrient element exist in solution or the soil with the chelating attitude, has the specific absorption height, obviously promote the liter activity of plant materials endoenzyme, reach the absorption of the formation that promotes plant chlorophyll and nutrient nitrogen, phosphorus, potassium, promote root system of plant vigor and root growth, strengthen resistance and the diseases and insect pests resistance of crop photosynthesis effect and crop, nontoxic, harmless, pollution-free.Simultaneously, titanium among the present invention-xitix solid chemical compound also has the absorption of promotion plant to other trace element molybdenum, boron, iron, zinc, manganese, copper etc., can give full play to titanium and in growing process, promote the synthetic of photosynthesis and carbohydrate, increasing the root nodule number improves the nitrogen fixing capacity of plant and microorganism is had resistibility, can reduce number of times, the growths of farm crop is had good production-increasing function plant treatment.In addition, titanium-xitix solid chemical compound has that cost is low, stable in properties, advantage such as be easy to store, soluble in water, easy to use.
Among the present invention above-mentioned fertilizer is made by a certain percentage, for agricultural provides control farm crop and obstruction of vegetable continuous cropping, controlled the infringement of disease worm effectively, safety non-toxic, the high composite fertilizer of volume increase make the field sickness rate drop to below 8% by 98%; Use this fertilizer and make soybean, cotton, peanut, tomato volume increase 1-6 doubly.In a word, farm crop and vegetables obvious effect of increasing production.
Behind this incorporation of fertilizerin the soil, soil there are not the residual of agricultural chemicals and pollution; And after this season fertilising, the plant nutrient that farm crop and vegetables do not absorb fully, part residues in the soil, can not produce harmful effect, can play the effect of culture fertility again.Simultaneously, this fertilizer is not having on the plot of oxyuriasis, can make general fertilizers and use.
In addition, the present invention prepares anti continuous and alternative-year with the chemical synthesis oil cooling to promote the special-purpose fertile technology of crop yield, make various fertilizer at high temperature be in the fusion state, the interaction energy between the various fertilizer nutrients is given full play to, and soil and farm crop are had good fertilizer effect.Production technique of the present invention adopts oil cooling to realize granulation, and it is slow that oily temperature has heat radiation, and the particle cooling evenly reduces the pollution that brings with the coal heating.Oil of the present invention adopts and recycles, and has energy-conservation effect.
Description of drawings
Fig. 1 is preparation technology's schema of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
The present invention is that a kind of anti continuous and alternative-year promotes crop yield special-purpose fertile, said fertilizer remove contain in the plant nutrient in the nitrogen of nitrogen, with P
2O
5The meter phosphorus, with K
2Outside the potassium of O meter, the following proportioning of the middle trace mineral supplement T weight part meter behind the chelating:
N∶P
2O
5∶K
2O∶T＝1∶2∶0～5.0∶O.429≥T＞0.0
Also contain titanium-xitix solid chemical compound of using as plant-growth regulator, the add-on of described titanium-xitix solid chemical compound is the 0.005-0.5% of described by weight of fertilizer.
The add-on of described titanium-xitix solid chemical compound is the 0.05-0.2% of described by weight of fertilizer.
Titanium-xitix solid chemical compound belongs to the plant regulation promotor composition of a titanium, with commodity selling, is the product of liquid state as trade name for " TITAVIT " on market, also has plenty of solid state.For being applicable to using of farm crop, pH value is modulated 5-7.Titanium-xitix solid chemical compound mixes use according to different situations and needs with trace element molybdenum, boron, iron, zinc, manganese, copper etc., improves plant to trace elements absorbed.
Anti continuous and alternative-year of the present invention promotes crop yield special-purpose fertile, and this fertilizer 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 makes after carrying out adding titanium-xitix solid chemical compound again after the proportioning.Purpose is to suppress the infringement of nematode to farm crop, promotes plant-growth, makes increasing crop yield.
In order to prevent and treat the nematode infringement of farm crop, must use excessive nitrogen N, phosphorus P
2O
5, potassium K
2O.Because the present invention uses excessive nitrogen, phosphorus, potassium, 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, copper, calcium, magnesium, manganese add nitrogen, phosphorus, potassium.
The preferred technical solution of the present invention is: if leguminous plants also must add molybdenum;
Nutritive element of the present invention is selected 16 kinds of nutritive elements assert in the world for use, wherein must fill 13 kinds, also must add beneficial element sodium Na
2O is to assist the infringement of control nematode.
In of the present invention, trace element is from Mg, Ca, SO
4 -2, select among Na, Mn, B, Zn, Fe, Cu, Mo, the Cl-1 one or more.
The present invention form additive T in, trace metal attitude element forms by oxide form, 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.
Described sequestrant is: quadrol two (O-hydroxyl phenylacetic acid) sequestrant (being called for short EDDHA), hydroxyethylethylene diamine three acetic acid (being called for short HEDTA), PENTETIC ACID (being called for short DTPA), cyclohexane diamine four acetic acid (being called for short CDTA), trolamine (being called for short TEA), nitrilotriacetic acid (being called for short NTA), ethylene glycol bis (2-diamino ethyl ether), four acetic acid (being called for short EGTA).
In behind the described chelating, trace mineral supplement T be a kind of sequestrant of from EDDHA, HEDTA, DTPA, CDTA, TEA, NTA, EGTA, selecting with in, trace element chelated back forms.
Definite principle of the proportioning between above-mentioned sequestrant and the metal nutritive element is: at first measure sequestrant functional group metal nutrient ionic saturated extent of adsorption (is used M
xExpression: 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 (M that is added
x) and the sequestrant add-on, 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.
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 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.At present, 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.
When the present invention specifically implements, nitrogen (N), phosphorus (P
2O
5), Potassium (K
2O) 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.
Table 1 promotes crop yield special-purpose fertile formula rate and plant protection effect table thereof for anti continuous and alternative-year
Table 1
| The embodiment of different ingredients | Fertilizer A | Titanium-xitix solid chemical compound accounts for the % of fertilizer A weight | The nematode rate (%) that goes down |
| N∶P 2O 5∶K 2O: T ratio | |||
| Embodiment 1 | 1∶2∶4∶0.001 | 0.005 | 89.8 |
| Embodiment 2 | 1∶2∶2∶0.143 | 0.16 | 93.1 |
| Embodiment 3 | 1∶2∶3∶0.143 | 0.2 | 97.5 |
| Embodiment 4 | 1∶2∶4∶0.143 | 0.33 | 95.1 |
| Embodiment 5 | 1∶2∶0∶0.285 | 0.41 | 96.6 |
| Embodiment 6 | 1∶2∶2∶0.285 | 0.5 | 94.6 |
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.
Promote the special-purpose fertile preparation method of crop yield to be explained as follows to anti continuous and alternative-year of the present invention below:
The present invention adopts general preparation technology; that is: the middle trace mineral supplement T weight behind the various raw material nitrogen of the present invention, phosphorus, potassium, the chelating and titanium-xitix solid chemical compound are pressed table 1 configuration; its preparation technology is: at first with the raw material pulverizing of luming; the proportional quantity of pressing 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.Soluble in water with the fertilizer that preparation method of the present invention produces, hydrolytic precipitation does not take place, the solution for preparing can be used for spraying, and microorganism is had resistibility, and promotes crop yield.
The application that the present invention is controlled the nematode infringement of farm crop is described in detail below:
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, and the non-nutrient effect in the nutritive element, raising is to the microorganism resistibility, effectively the nematode infringement of control farm crop causes the farm crop continuous cropping obstacle, promotes crop yield.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 to the present invention to different crops control line parasitosis, increase output, improve the practical application of quality and carry out following explanation:
Embodiment 1: to control cyst roundworm disease, increase output under the meeting next batch of soybean condition, improve the practical application of quality.
Table 2 different fertilizer prescription is to the influence (investigation result in mid-term) of soybean growth
| Experimental field | The Ulan Hot | Gongzhuling, Jilin | Changtu, Liaoning | |||||
| Handle | Flue seedling sprout sickness rate (%) | Plant height | Root weight/strain (g) | Cauline leaf weight/strain (g) | The sporangiocyst rate (%) that goes down | Every strain root is heavy | Every strain is heavy (g) on the ground | The sporangiocyst rate (%) that goes down |
| (cm) | (g) | |||||||
| Embodiment 1 | 4.65 | 70.4 | 4.8 | 37.3 | 98.5 | 8 | 23.2 | -35.5 |
| Embodiment 2 | 2 | 68.9 | 7 | 55.8 | 93.1 | 15.6 | 84.1 | 47.7 |
| Embodiment 3 | 2.28 | 64.6 | 3.2 | 28.1 | 85.7 | 14 | 39.4 | 83.2 |
| Embodiment 4 | 2.2 | 69.1 | 4.5 | 40.1 | 98.5 | 7.5 | 25 | 25.8 |
| Embodiment 5 | 10.95 | 66 | 4 | 38.2 | 89 | 8 | 44.7 | 68.4 |
| Embodiment 6 | 2.58 | 64.5 | 3.1 | 33.9 | 95.6 | 13.5 | 89 | 88.4 |
Annotate: root, cauline leaf weight average are fresh weight in the table, and each is treated to the mean value of 10 strain samples.
Embodiment 2: cotton, peanut, tomato are heavily being met the investigation of controlling its root knot nematode disease under batch condition, increasing output.
The influence that table 2 different fertilizer prescription grows to cotton, peanut, tomato
| Floristics | Cotton | Peanut | Tomato |
| Handle | The nematode rate (%) that goes down | The nematode rate (%) that goes down | The nematode rate (%) that goes down |
| Embodiment 1 | 89.6 | 88.6 | 89.8 |
| Embodiment 2 | 93 | 92.3 | 93.1 |
| Embodiment 3 | 89.5 | 89.1 | 97.5 |
| Embodiment 4 | 95 | 95.1 | 95.1 |
| Embodiment 5 | 96 | 96.4 | 96.6 |
| Embodiment 6 | 94 | 94.1 | 94.6 |
Promote the special-purpose fertile preparation method of crop yield to be explained as follows to anti continuous and alternative-year of the present invention below:
Fig. 1 is that the present invention prepares the process flow sheet that anti continuous and alternative-year promotes the special-purpose fertilizer of crop yield with the chemical synthesis oil cooling.As shown in Figure 1, this technology is carried out as follows:
Step 1, get the raw materials ready: promote the special-purpose fertile proportioning raw materials of crop yield to get the raw materials ready according to above-mentioned anti continuous and alternative-year;
Step 2, fusing reaction, oil cooling granulation:
1). the stirring of heating: mixing what prepare after will measuring by a certain percentage is that to be put into temperature be to stir in 80 ℃ of synthesis tanks to main raw material with nitrogen, phosphorus, potassium;
2). fusing reaction: with above-mentioned steps 1) stir raw material after synthetic and put into the reactor fusing of heating, the temperature of heating is 110 ℃-130 ℃;
3). lower the temperature into the congee shape: with above-mentioned steps 2) in raw material melted to send into temperature be to lower the temperature into the congee shape in 80 ℃-100 ℃ the synthesis tank;
4). oil cooling granulation: with above-mentioned steps 3) in the raw material of congee shape send in the shower nozzle in the prilling tower, it is cooling granulation 25 ℃-40 ℃ the oil that the compound fertilizer that flows out from shower nozzle falls into temperature;
5). centrifugation de-oiling: with above-mentioned steps 4) in oil and granular fertilizer send into and carry out particle and separating of oil in the whizzer, make granular fertilizer enter sieve apparatus, oil is back to prilling tower;
6). oven dry, can: with above-mentioned steps 5) in send into drying plant oven dry from the effusive granular fertilizer of sieve apparatus, send into the filling machine can again and become bag;
7). finish.
Claims (8)
1. an anti continuous and alternative-year promotes crop yield special-purpose fertile, it is characterized in that, described fertilizer remove contain in the plant nutrient in the nitrogen of nitrogen, with P
2O
5The meter phosphorus, with K
2Outside the potassium of O meter, the following proportioning of the middle trace mineral supplement T weight part meter behind the chelating:
N: P
2O
5: K
2O: T=1: 2: 0～5.0: 0.429 〉=T＞0.0 also contains titanium-xitix solid chemical compound of using as plant-growth regulator, and the add-on of described titanium-xitix solid chemical compound is the 0.005-0.5% of described by weight of fertilizer.
2. anti continuous and alternative-year according to claim 1 promotes crop yield special-purpose fertile, it is characterized in that the add-on of described titanium-xitix solid chemical compound is the 0.05-0.2% of described by weight of fertilizer.
3. anti continuous and alternative-year according to claim 1 and 2 promotes crop yield special-purpose fertile, it is characterized in that, behind the described chelating in, trace mineral supplement T is: a kind of sequestrant of from quadrol two (O-hydroxyl phenylacetic acid), hydroxyethylethylene diamine three acetic acid, PENTETIC ACID, cyclohexane diamine four acetic acid, trolamine, nitrilotriacetic acid, ethylene glycol bis (2-diamino ethyl ether), four acetic acid, selecting with in, trace element chelated back forms.
4. promote crop yield special-purpose fertile according to the anti continuous and alternative-year described in claim 1 or 2, it is characterized in that, described in, trace element is from Mg, Ca, SO
4 2-, Na, Mn, B, Zn, Fe, Cu, Mo, Cl
-1In select one or more.
5. anti continuous and alternative-year according to claim 4 promotes crop yield special-purpose fertile, 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。
6. promote crop yield special-purpose fertile according to the anti continuous and alternative-year described in the claim 4, it is characterized in that described fertilizer contains molybdenum.
7. promote crop yield special-purpose fertile according to the described anti continuous and alternative-year of above-mentioned each claim, it is characterized in that described fertilizer contains chlorine and/or sodium.
8. one kind promotes the special-purpose fertile preparation technology of crop yield according to the described anti continuous and alternative-year of claim 1, it is characterized in that prepare the technology that anti continuous and alternative-year promotes the special-purpose fertilizer of crop yield with the chemical synthesis oil cooling, its processing step is as follows:
Step 1, get the raw materials ready: get the raw materials ready according to the raw material in the claim 1;
Step 2, fusing reaction, oil cooling granulation:
1). the stirring of heating: mixing what prepare after will measuring by a certain percentage is that to be put into temperature be to stir in 80 ℃ of synthesis tanks to main raw material with nitrogen, phosphorus, potassium;
2). fusing reaction: with above-mentioned steps 1) stir raw material after synthetic and put into the reactor fusing of heating, the temperature of heating is 110 ℃-130 ℃;
3). lower the temperature into the congee shape: with above-mentioned steps 2) in raw material melted to send into temperature be to lower the temperature into the congee shape in 80 ℃-100 ℃ the synthesis tank;
4). oil cooling granulation: with above-mentioned steps 3) in the raw material of congee shape send in the shower nozzle in the prilling tower, it is cooling granulation 25 ℃-40 ℃ the oil that the compound fertilizer that flows out from shower nozzle falls into temperature;
5). centrifugation de-oiling: with above-mentioned steps 4) in oil and granular fertilizer send into and carry out particle and separating of oil in the whizzer, make granular fertilizer enter sieve apparatus, oil is back to prilling tower;
6). oven dry, can: with above-mentioned steps 5) in send into drying plant oven dry from the effusive granular fertilizer of sieve apparatus, send into the filling machine can again and become bag;
7). finish.
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| CN1218911C (en) * | 2002-11-04 | 2005-09-14 | 天津市福升肥料有限公司 | Envirconmental protection typed dedicated fertilizer for soybean in coming crop |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1218911C (en) * | 2002-11-04 | 2005-09-14 | 天津市福升肥料有限公司 | Envirconmental protection typed dedicated fertilizer for soybean in coming crop |
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| CN1850738A (en) | 2006-10-25 |
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