CN100478313C - Special multi-nutrient control-release fertilizer for cauliflower and preparation method thereof - Google Patents
Special multi-nutrient control-release fertilizer for cauliflower and preparation method thereof Download PDFInfo
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- CN100478313C CN100478313C CNB2008100143103A CN200810014310A CN100478313C CN 100478313 C CN100478313 C CN 100478313C CN B2008100143103 A CNB2008100143103 A CN B2008100143103A CN 200810014310 A CN200810014310 A CN 200810014310A CN 100478313 C CN100478313 C CN 100478313C
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Abstract
The invention relates to a special controlled-release fertilizer for multi-nutrient cauliflowers and a preparation method. The special controlled-release fertilizer for multi-nutrient cauliflowers is prepared with 3 percent improved epoxy resin coated potassium nitrate, 3 percent improved epoxy resin coated ammonium phosphate, 3 percent improved epoxy resin coated compound fertilizer, sulphur coated urea, etc. Applied in one go for all before the transplant of cauliflowers, the special controlled-release fertilizer for cauliflowers can release nutrient thoroughly and reasonably, enhance fertilization effect, save manpower and strength, lower manure loss, and enhance cauliflower yield.
Description
Technical field
The present invention relates to a kind of special multi-nutrient control-release fertilizer for cauliflower and preparation method thereof, belong to slow/controlled release fertilizer technology field.
Background technology
Cauliflower has the history in more than 100 year in China's cultivation, and the past mainly is in the southern area plantation, resembles the name special product district that Guangdong, Fujian, Shanghai etc. have formed cauliflower.Since the eighties in last century, along with the introduction of new variety and the rise of the northern area of China protection ground cultivation, the cauliflower plantation has become one of vegetables of mainly cultivating each big or middle city suburbs of northern China.Nutritious, the unique flavor of cauliflower belongs to the vegetables of higher gears.Its output is higher, and economic benefit is fine, and cultivated area is also increasing.
Produce upward cauliflower fertilising at present and use the part fertilizer before transplanting, main fertilizer variety is urea, diammonium phosphate, composite fertilizer etc.These fertilizer are quick acting fertilizer, and dissolving can make soil solution concentration improve rapidly, so quick acting fertilizer once can not be used too much soon in a short time after the fertilising in soil.In the breeding cycle of cauliflower, except that using base manure, need topdress 3～4 times.Repeatedly fertilising improves labour cost, and cultivation benefit descends.Present fertilizing type also is unfavorable for nutrition absorption, makes utilization rate of fertilizer not high, and waste is serious.The general employing of topdressing is spread fertilizer over the fields behind the face of land and is watered, and this can produce the problem of two aspects, and the one, the easy drip washing of nitrogenous fertilizer is to main root layer, to such an extent as to can not absorb.Soil is to nitrogenous fertilizer, and is particularly very weak to the confinement capabilities of urea molecule.The dissolving of urea granules in water is very fast, and solubleness is also very big, and watering and can bring a large amount of urea molecules into the soil layer depths at once in the fertilising back, even arrives below the root layer, not only causes waste, also may polluted underground water.The 2nd, to the less fertilizer element of movability such as phosphorus, potassium, fertilizer is executed at soil surface, and is far away apart from the main root zone of cauliflower, also is unfavorable for absorbing.Lack also at present that nutrition is complete, nutrient reasonable ratio, nutrient discharge the fertilizer variety that meets the cauliflower absorbing rule.Up to now, there is not the cauliflower special-purpose control-release fertilizer openly to report as yet.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of special multi-nutrient control-release fertilizer for cauliflower and preparation method thereof.
Summary of the invention
The present invention utilizes the Nutrient Release of modified epoxy resin integument saltpetre, modified epoxy resin integument ammonium phosphate, modified epoxy resin integument composite fertilizer and sulfur coating urea, while is according to the law of nutritive absorption of cauliflower, the single kind controlled release fertilizer and the part quick-acting fertilizer that difference are discharged the period carry out composite, formed nutrient comprehensively, discharge rational cauliflower special-purpose control-release fertilizer, and carried out field experiment, obtained good effect.
Detailed Description Of The Invention
Cauliflower special-purpose control-release fertilizer of the present invention, feed composition is as follows, is weight part:
100～250 parts in 3% modified epoxy resin integument saltpetre
80～150 parts in 3% modified epoxy resin integument ammonium phosphate
100～150 parts of 3% modified epoxy resin integument composite fertilizers
250～350 parts in sulfur coating urea
70～150 parts of diammonium phosphate
80～150 parts in urea
50～150 parts of vitriolate of tartar
0～10 part in zinc sulfate
0～10 part of borax.
Above-mentioned raw materials is the commercially available prod, wherein:
3% modified epoxy resin integument saltpetre is meant that modified epoxy resin integument layer quality is 3% of total mass, and model is KTS02 (15-0-39); 3% modified epoxy resin integument ammonium phosphate is meant that modified epoxy resin integument layer quality is 3% of total mass, and model is KTS02 (17-42-0); 3% modified epoxy resin integument composite fertilizer is meant that modified epoxy resin integument layer quality is 3% of total mass, and model is KTS02 (22-9-12); Sulfur coating urea is meant that the sulfur coating quality is 20%～25% of a total mass, and model is KWS03 (34-0-0); Above raw material Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and the numerical value in the product type bracket is the mass percentage content of N, P, K, and being that this area is conventional indicates.Above raw material also can for example can prepare by the method for CN1569773 (200410024049.7) or CN1603288 (200410035783.3) by prior art for preparing.
Nitrogen, phosphorus pentoxide content are respectively 18%, 46% in the diammonium phosphate, and nitrogen content 45～48% in the urea, and the content 48-51% of potassium oxide is mass percent in the vitriolate of tartar.
The particle diameter of above-mentioned all raw materials is good in 2～4 millimeters scopes all.
Further preferred, the cauliflower special-purpose control-release fertilizer, feed composition is as follows, is weight part:
190～200 parts in 3% modified epoxy resin integument saltpetre
90～100 parts in 3% modified epoxy resin integument ammonium phosphate
105～115 parts of 3% modified epoxy resin integument composite fertilizers
265～275 parts in sulfur coating urea
105～115 parts of diammonium phosphate
85～95 parts in urea
115～125 parts of vitriolate of tartar
4～6 parts in zinc sulfate
4～6 parts of boraxs.
The preparation method of cauliflower special-purpose control-release fertilizer of the present invention puts into stirrer with above-mentioned each raw material together by proportioning and stirred 5～10 minutes, and fully mixing promptly.Then the fertilizer that mixes is sent into metering, wrapping machine measures, packs.
The application of cauliflower special-purpose control-release fertilizer of the present invention, cauliflower special-purpose control-release fertilizer are to make base manure once to apply before cauliflower is transplanted.The cauliflower special-purpose control-release fertilizer is imposed on the bottom of planting furrow, carry out cauliflower after fertilizer and the part mixing with soil again and transplant.
Technical characterstic of the present invention is to utilize the fertilizer of different coating quantities, accurately controls nitrogen, phosphorus, potassium and discharges by the requirement of cauliflower growth nutrient absorbing rule in different periods.Excellent results of the present invention is as follows:
1. nutrient proportioning and releasing rule meet cauliflower absorption needs, and according to the study, 1000 kilograms of cauliflowers of every production need 8.8 kilograms in nitrogen, 2.8 kilograms of Vanadium Pentoxide in FLAKESs, 7.9 kilograms of potassium oxides, and its ratio is 1: 0.32: 0.90.Special-purpose control-release fertilizer is according to this ratio, designed the fertilizer ratio of nitrogen, phosphorus, three kinds of main nutrient elements of potassium again with reference to the soil nutrient status of China various places, adds micro-zinc sulfate, the borax that needs most in addition, makes nutrient more comprehensive.It also is absorbing rule design according to cauliflower that the nutrient of special-purpose control-release fertilizer discharges, and for example each, nitrogen requirement was all more breeding time, and it is less that absorb the potassium element early stage, and it is many etc. that the later stage is inhaled potassium.Special-purpose control-release fertilizer can be in liberal supply and appropriate nutrition guarantees stable high yield in each breeding time of cauliflower.
2. disposable fertilizer is imposed on the root system soil layer, the root system that improves the fertilization effect cauliflower is a taproot system, and it is darker to bury, its main Root Distribution 35 centimetres with interior soil layer in.Produce the base manure of going up except that using before transplanting at present and impose on inside and outside the topsoil, other topdresses several times all is to spread fertilizer over the fields in the face of land.These fertilizer are far away apart from root system, particularly for the less phosphorus of movability, potash fertilizer, more are unfavorable for absorbing.Special-purpose fertilizer is disposable executing in planting furrow before transplanting, and near apart from root system, fertilization effect is good.
3. the minimizing fertilizer loss improves utilization rate of fertilizer, and cauliflower is to need the more crop of water, will constantly water in its process of growth.Nitrogenous fertilizer is manured into soil, and the back is difficult is adsorbed by soil particle, very strong with the movability of the soil water.The general employing of topdressing in the production spread fertilizer over the fields the method for watering behind the face of land, a large amount of nitrogenous fertilizer can be displaced downwardly to soil layer below the cauliflower root system along with moisture, causes fertilizer loss.Can not dissolve in a large number after special-purpose control-release fertilizer is manured into soil, it nutrient discharge to be progressively to carry out along with the absorption of cauliflower root system, nutrient ion residual in the soil is few, because of rainfall or to irrigate the nutrient that runs off also few, with obviously having improved utilization rate of fertilizer.
4. the minimizing fertilizer application frequency reduces peasant's labour intensity generally speaking, and cauliflower is except that using base manure, need topdress 2～3 times, special-purpose control-release fertilizer no longer topdresses later on transplanting previous crops base manure applied once, reduce fertilizer application frequency, reduced peasant's labour intensity, saved the recruitment cost.
Embodiment
The invention will be further described below in conjunction with embodiment and Comparative Examples, but be not limited thereto.
The raw materials used commercially available prod that is in following examples, wherein, 3% modified epoxy resin integument saltpetre model is KTS02 (15-0-39); 3% modified epoxy resin integument ammonium phosphate model is KTS02 (17-42-0); 3% modified epoxy resin integument composite fertilizer model is KTS02 (22-9-12); Sulfur coating urea model is KWS03 (34-0-0); Above raw material Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells.Nitrogen, phosphorus pentoxide content are respectively 18%, 46% in the used diammonium phosphate, and nitrogen content 45～48% in the urea, and the content 48-51% of potassium oxide is mass percent in the vitriolate of tartar.
Embodiment 1: the cauliflower special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 22%, 10%, 15%, are mass percent.Feed composition is as follows:
3% modified epoxy resin integument saltpetre 195kg
3% modified epoxy resin integument ammonium phosphate 95kg
3% modified epoxy resin integument composite fertilizer 110kg
Sulfur coating urea 270kg
Diammonium phosphate 110kg
Urea 90kg
Vitriolate of tartar 120kg
Zinc sulfate 5kg
Borax 5kg.
The preparation method: above-mentioned each raw material is put into stirrer together by proportioning stirred 5～10 minutes, fully mixing promptly.Then the fertilizer that mixes is sent into metering, wrapping machine measures, packs.
Embodiment 2: the cauliflower special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 25%, 10%, 10%, are mass percent.Feed composition is as follows:
3% modified epoxy resin integument saltpetre 120kg
3% modified epoxy resin integument ammonium phosphate 95kg
3% modified epoxy resin integument composite fertilizer 110kg
Sulfur coating urea 345kg
Diammonium phosphate 110kg
Urea 130kg
Vitriolate of tartar 80kg
Zinc sulfate 5kg
Borax 5kg.
The preparation method is with embodiment 1.
Embodiment 3: the cauliflower special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 21%, 10%, 15%, are mass percent.Feed composition is as follows:
3% modified epoxy resin integument saltpetre 195kg
3% modified epoxy resin integument ammonium phosphate 130kg
3% modified epoxy resin integument composite fertilizer 110kg
Sulfur coating urea 270kg
Diammonium phosphate 80kg
Urea 90kg
Vitriolate of tartar 120kg
Borax 5kg.
Embodiment 4: the cauliflower special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 22%, 10%, 15%, are mass percent.Feed composition is as follows:
3% modified epoxy resin integument saltpetre 240kg
3% modified epoxy resin integument ammonium phosphate 95kg
3% modified epoxy resin integument composite fertilizer 110kg
Sulfur coating urea 270kg
Diammonium phosphate 110kg
Urea 90kg
Vitriolate of tartar 80kg
Zinc sulfate 5kg.
Comparative Examples:
Common compound potassium sulfate fertilizer (total nutrient content 45%)+urea (nitrogen content 46%).
The effect of above embodiment 1～4 and Comparative Examples is as follows:
For examination cauliflower kind is Japanese snow mountain, and soil is red soil, and planting type is membrane covering.Press 800 kilograms of compound potassium sulfate fertilizers of per hectare, 200 kilograms of urea in the Comparative Examples; The fertilizer amount of special-purpose control-release fertilizer is 800 kilograms of per hectares.Whole cauliflower special-purpose control-release fertilizers are to make base manure once to apply before transplanting among the embodiment; Urea is to impose behind slow seedling in the Comparative Examples, and 40% and 60% of compound potassium sulfate fertilizer imposes when 2～3 centimetres of rosette state and bouquet diameters respectively.Application process, base manure are to impose on the bottom that imposes on planting furrow before the transplanting, transplant after fertilizer and the part mixing with soil, and topdressing is that the water-soluble back of fertilizer is used with irrigation water.
| Yield-increasing efficiency (%) | Improve utilization rate of nitrogen fertilizer (%) | Estimate | |
| Embodiment 1 | 10.5 | 14.6 | Effect of increasing production is good, improves utilization rate of fertilizer, and saving of labor, laborsaving is worthy to be popularized. |
| Embodiment 2 | 8.7 | 13.2 | Effect of increasing production is arranged, improve utilization rate of fertilizer, saving of labor, laborsaving is worthy to be popularized. |
| Embodiment 3 | 8.5 | 13.5 | Effect of increasing production is better, improves utilization rate of fertilizer, and saving of labor, laborsaving is worthy to be popularized. |
| Embodiment 4 | 9.6 | 14.3 | Effect of increasing production is better, improves utilization rate of fertilizer, and saving of labor, laborsaving is worthy to be popularized. |
| Comparative Examples | - | - | Utilization rate of fertilizer is low, and fertilizer application frequency is many, and recruitment cost height should not be promoted. |
Claims (5)
1, cauliflower special-purpose control-release fertilizer is characterized in that feed composition is as follows, is weight part:
100～250 parts in 3% modified epoxy resin integument saltpetre
80～150 parts in 3% modified epoxy resin integument ammonium phosphate
100～150 parts of 3% modified epoxy resin integument composite fertilizers
250～350 parts in sulfur coating urea
70～150 parts of diammonium phosphate
80～150 parts in urea
50～150 parts of vitriolate of tartar
0～10 part in zinc sulfate
0～10 part of borax;
Wherein, 3% modified epoxy resin integument saltpetre is meant that modified epoxy resin integument layer quality is 3% of total mass, and model is KTS02, the mass percentage content 15%, 0,39% of N, P, K; 3% modified epoxy resin integument ammonium phosphate is meant that modified epoxy resin integument layer quality is 3% of total mass, and model is KTS02, the mass percentage content 17%, 42%, 0 of N, P, K; 3% modified epoxy resin integument composite fertilizer is meant that modified epoxy resin integument layer quality is 3% of total mass, and model is KTS02, the mass percentage content 22%, 9%, 12% of N, P, K; Sulfur coating urea is meant that the sulfur coating quality is 20%～25% of a total mass, and model is KWS03, the mass percentage content 34%, 0,0 of N, P, K; The above raw material Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells.
2, cauliflower special-purpose control-release fertilizer as claimed in claim 1, the particle diameter that it is characterized in that all raw materials is all at 2～4 millimeters.
3, cauliflower special-purpose control-release fertilizer as claimed in claim 1 is characterized in that feed composition is as follows, is weight part:
190～200 parts in 3% modified epoxy resin integument saltpetre
90～100 parts in 3% modified epoxy resin integument ammonium phosphate
105～115 parts of 3% modified epoxy resin integument composite fertilizers
265～275 parts in sulfur coating urea
105～115 parts of diammonium phosphate
85～95 parts in urea
115～125 parts on sulfuric acid clock
4～6 parts in zinc sulfate
4～6 parts of boraxs.
4, the preparation method of the described cauliflower special-purpose control-release fertilizer of a kind of claim 1 puts into stirrer in proportion together with described each raw material and stirred 5～10 minutes, and fully mixing promptly.
5, the application of the described cauliflower special-purpose control-release fertilizer of claim 1 is to make base manure once to apply before cauliflower is transplanted.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2008100143103A CN100478313C (en) | 2008-02-27 | 2008-02-27 | Special multi-nutrient control-release fertilizer for cauliflower and preparation method thereof |
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| CNB2008100143103A CN100478313C (en) | 2008-02-27 | 2008-02-27 | Special multi-nutrient control-release fertilizer for cauliflower and preparation method thereof |
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| CN100478313C true CN100478313C (en) | 2009-04-15 |
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| CN101870624B (en) * | 2010-06-13 | 2011-08-10 | 山东金正大生态工程股份有限公司 | Rice special controlled-release fertilizer applied once in processes of rice transplantation and seedling culture and preparation method thereof |
| CN102153406B (en) * | 2010-12-21 | 2012-04-25 | 菏泽金正大生态工程有限公司 | Special controlled release fertilizer for preventing and treating root diseases of hot peppers and preparation method of special controlled release fertilizer |
| CN102167649B (en) * | 2011-01-07 | 2012-04-18 | 菏泽金正大生态工程有限公司 | Controlled release fertilizer special for japonica rice in Northeast China and preparation and application thereof |
| CN102557817B (en) * | 2011-12-05 | 2015-04-22 | 三河市香***业有限公司 | Controlled-release formula fertilizer, preparation method and application thereof |
| CN104261938B (en) * | 2014-09-19 | 2017-02-08 | 贵州开磷集团股份有限公司 | Production method for preparation of calcium dihydrogen phosphate and by-production of special fertilizer for cauliflowers |
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Owner name: KINGENTA ECOLOGICAL ENGINEERING GROUP CO., LTD. Free format text: FORMER NAME: SHANDONG KINGENTA BIO-ENGINEERING STOCK CO., LTD. |
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Address after: 276700 Linyi Province, Linshu County, Xing County, West Street, No. 19 Patentee after: KINGENTA ECOLOGICAL ENGINEERING GROUP CO., LTD. Address before: 276700 No. 19, Da Xing Dong Street, Linshu County, Shandong Province Patentee before: Shandong Kingenta Bio-engineering Stock Co., Ltd. |