CN102875262A - Synchronous nutrition controlled-release fertilizer specially used for litchis - Google Patents
Synchronous nutrition controlled-release fertilizer specially used for litchis Download PDFInfo
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- CN102875262A CN102875262A CN2012104239756A CN201210423975A CN102875262A CN 102875262 A CN102875262 A CN 102875262A CN 2012104239756 A CN2012104239756 A CN 2012104239756A CN 201210423975 A CN201210423975 A CN 201210423975A CN 102875262 A CN102875262 A CN 102875262A
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Abstract
The invention relates to a synchronous nutrition controlled-release fertilizer specially used for litchis. The controlled-release fertilizer is prepared by evenly mixing reaction film forming polymer sulfur coated urea with 30-90 days of release period, urea, diammonium phosphate, calcium magnesium phosphate, potassium chloride and borax. The synchronous nutrition controlled-release fertilizer is simple in technology; due to the nutrient releasing characteristic of the controlled-release fertilizer and the nutrient absorbing law of the litchis, the single controlled-release fertilizers with different release periods and partial quick-acting fertilizers are compounded with each other; and the nutrients are scientific in proportion, so that the synchronous nutrition controlled-release fertilizer not only has the long residual action, but also has the quick-acting property and the special effects of microelement; the nutrients can be released in the whole tree-age growth cycle, the nutritional conditions of the litchi growth period can be obviously improved, the use ratio and the fertilizer efficiency of the fertilizer can be greatly improved, and the problem of high cost caused by the independent use of controlled-release fertilizer can be solved, thus, not only the production cost can be reduced, but also the economic benefit can be improved, and the synchronous nutrition controlled-release fertilizer is wide in application prospect.
Description
Technical field
The invention belongs to the Slow/Controlled Release Fertilizers technical field, relate to a kind of Controlled Release Fertilizer, specifically a kind of synchronous Controlled Release Fertilizer of lichee special nutritional that contains controlled release nitrogen.
Background technology
China is the lichee country of origin and the first in the world big producing country, lichee (Litchi chinensis Sonn.) cultivated area and output account for respectively global 81% and 70%, in the structure of rural undertaking of the lichee main producing regions such as Guangdong, Guangxi, Fujian, Hainan critical role are arranged.Because the economy of fruit and being of high nutritive value, consumption increases severely.For a long time, although the culture technology has obtained tremendous development, the orchard worker applies fertilizer and mostly uses traditional fertilizer, and in use there are many problems in these fertilizer, and rate of fertilizer application rapidly increases, but the not corresponding growth of output.Produce simultaneously the problems such as the dehiscent fruit rate is high, fruit quality is low.
Release and release control fertilizer is to realize that nutrient discharges the new-type fertilizer synchronous with Crop, can control according to the growth demand of crop burst size and the release rate of fertilizer nutrient, reach the efficient purpose of volume increase, having once or using for few time to provide the whole growth cycle of crop the required characteristics such as suitable nutrient.Because the release and release control fertilizer production cost is higher, it is used in the lichee production can reduces its economic benefit on the contrary separately, is unfavorable for the development of lichee industry.
Summary of the invention
The purpose of this invention is to provide the synchronous Controlled Release Fertilizer of a kind of lichee special nutritional, utilization is reacted into the Nutrient Release of membrane polymer coating controlled-release fertilizer, while is according to the law of nutritive absorption of lichee, the single kind Controlled Release Fertilizer and the part quick-acting fertilizer that difference are discharged period carry out composite, nutrient is released in the whole age of tree growth cycle, has significantly improved the nutritional condition in lichee vegetative period, both reduced production cost, improved again economic benefit, had broad application prospects.
The technical solution adopted in the present invention:
The synchronous Controlled Release Fertilizer of a kind of lichee special nutritional, be to be that 30～90 days be reacted into membrane polymer coated carbamide, urea, diammonium phosphate, calcium magnesium phosphorus, Repone K and borax makes through mixing by release period, wherein the parts by weight of each component are by weight:
Wherein: the weight ratio of nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide is: 1:0.4～0.6:0.8～1.0; Water-soluble nitrogen: nitrogen=1:0.2 of 30～90 days of fertilizer efficiency period～0.4.
Described release period be 30～90 days be reacted into the membrane polymer coated carbamide refer to fertilizer releasing period be 30～90 days be reacted into the membrane polymer coated carbamide, its fertilizer releasing period adopts HG/T 4215-2011 standard test.
The described membrane polymer coated carbamide that is reacted into is that heat curing-type is reacted into the membrane polymer coated carbamide.
Described heat curing-type is reacted into that the membrane polymer coated carbamide is polyurethanes reaction film Polymer coated urea, epoxy resin is reacted into the membrane polymer coated carbamide or the alkyd resin class is reacted into the membrane polymer coated carbamide, especially refers to polyurethanes reaction film Polymer coated urea.
The quality of the above nitrogenous fertilizer is in the nitrogen element, and the quality of described phosphate fertilizer is in Vanadium Pentoxide in FLAKES, and the quality of described potash fertilizer is in potassium oxide.
The particle diameter of raw material of the present invention is all in 2～5 millimeters scopes.
The preparation method of the synchronous Controlled Release Fertilizer of lichee special nutritional provided by the present invention: each raw material is put into the blending machine together by proportioning, and then abundant mixing sends mixed fertilizer into metering, wrapping machine measures, packs.Take vegetables oil and solidifying agent as main raw material, need not to add solvent, cleanliness without any pollution in the film-coated controlled release fertilizer manufacturing processed.
According to needs such as different zones soil and crop variations, diammonium phosphate phosphoric acid one ammonium is replaced, and Repone K can be replaced with vitriolate of tartar, borax also in the available chelating attitude microelement product substitute.
The application of the synchronous Controlled Release Fertilizer of lichee special nutritional provided by the present invention: apply for twice in autumn growth phase and young fruit period, apply the proportion of Controlled Release Fertilizer for twice than being 5:7～5:3.Fertilizing method is to dig annular groove or radial furrow in tree crown drip inboard, earthing after the fertilising.
Further preferred, the synchronous Controlled Release Fertilizer of lichee special nutritional provided by the present invention, the parts by weight of each component are by weight:
Technique of the present invention is simple, utilization is reacted into the Nutrient Release of membrane polymer coating controlled-release fertilizer, while is according to the law of nutritive absorption of lichee, the single kind Controlled Release Fertilizer and the part quick-acting fertilizer that difference are discharged period carry out composite, nutrient proportioning science, existing Controlled Release Fertilizer long-lasting, the quick-acting of inorganic fertilizer and the wholesomeness of trace element are arranged again, nutrient is released in the whole age of tree growth cycle, fertilizer efficiency is long, and fertilizer efficiency is comprehensive, has significantly improved the nutritional condition in lichee vegetative period, increase substantially utilization ratio and the fertilizer efficiency of fertilizer, solved and used separately the high problem of release and release control fertilizer cost, both reduced production cost, improved again economic benefit, improve the lichee quality, have broad application prospects.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
The selected material of the present invention requires: 1. fertilizer is particulate state, and good fluidity; 2. particle diameter is in 2～5 millimeters scopes, and various materials can be complementary; 3. more than the nutrient content index that amount of nutrients has provided above should be able to reaching.
Embodiment one
Raw material:
Above-mentioned each raw material is put into the blending machine together, and then abundant mixing sends mixed fertilizer into metering, wrapping machine measures, packs.The total nutrient of the synchronous Controlled Release Fertilizer of gained lichee special nutritional: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 20%, 8%, 16%, are mass percent.Water-soluble nitrogen wherein: nitrogen=1:0.4 of 60 days of fertilizer efficiency period.
Embodiment two
Raw material:
Above-mentioned each raw material is put into the blending machine together, and then abundant mixing sends mixed fertilizer into metering, wrapping machine measures, packs.The total nutrient of the synchronous Controlled Release Fertilizer of gained lichee special nutritional: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content proportioning are respectively 19%, 9%, 17%, are mass percent.Water-soluble nitrogen wherein: 45 days nitrogen of fertilizer efficiency period=3.0.
Test:
Test site: the large Fengzhen in Dengmai County, Hainan Province
Test period: 2010-2011
Litchi Varieties: cv. Feizixiao, the age of tree 6 years
For trying soil: basalt-latolol
Testing program: control group employing total nutrient content is 48% common compound potassium sulfate fertilizer, by 2.0 kilograms of consumptions fertilisings of every strain, uses by peasant habit, adopts rear fertile fertilising and accounts for 65% of annual total amount; Hua Qianfei accounts for 15% of total amount; Fruit-promoting fertilizer accounts for 25% of total amount.The synchronous Controlled Release Fertilizer of lichee special nutritional of the present invention applied for twice in autumn growth phase and young fruit period, and usage ratio is 6:4.Fertilizing method is the conventional fertilizer application method, and the side lower trench digging at the tree body buries soil after the uniform of application.The results are shown in Table 1.
The synchronous Controlled Release Fertilizer Experimental Comparison of table 1 lichee special nutritional
The result shows, compares with control group, uses the synchronous Controlled Release Fertilizer of lichee special nutritional provided by the present invention and has all improved to a great extent Yield of Litchi, obviously is better than control group, quality improvement.Simultaneously, use the synchronous Controlled Release Fertilizer of lichee special nutritional of the present invention and can obviously reduce the recruitment of topdressing, save the fertilising labor cost.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. synchronous Controlled Release Fertilizer of lichee special nutritional, it is characterized in that by release period being that 30～90 days be reacted into membrane polymer coated carbamide, urea, diammonium phosphate, calcium magnesium phosphorus, Repone K and borax makes through mixing, wherein the parts by weight of each component are by weight:
Wherein: the weight ratio of nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide is: 1:0.4～0.6:0.8～1.0; Water-soluble nitrogen: nitrogen=1:0.2 of 30～90 days of fertilizer efficiency period～0.4.
2. the synchronous Controlled Release Fertilizer of lichee special nutritional according to claim 1, it is characterized in that: the described membrane polymer coated carbamide that is reacted into is that heat curing-type is reacted into the membrane polymer coated carbamide.
3. the synchronous Controlled Release Fertilizer of lichee special nutritional according to claim 2 is characterized in that: described heat curing-type is reacted into that the membrane polymer coated carbamide is polyurethanes reaction film Polymer coated urea, epoxy resin is reacted into the membrane polymer coated carbamide or the alkyd resin class is reacted into the membrane polymer coated carbamide.
4. the synchronous Controlled Release Fertilizer of lichee special nutritional according to claim 1, it is characterized in that: the particle diameter of each component of the synchronous Controlled Release Fertilizer of described lichee special nutritional is all in 2～5 millimeters scopes.
5. the synchronous Controlled Release Fertilizer of lichee special nutritional according to claim 1 is characterized in that: the synchronous Controlled Release Fertilizer of described lichee special nutritional by weight the parts by weight of each component is:
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Cited By (4)
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|---|---|---|---|---|
| CN105085054A (en) * | 2015-08-21 | 2015-11-25 | 李志山 | Lychee release-control fertilizer and preparation method thereof |
| CN105085042A (en) * | 2015-08-17 | 2015-11-25 | 李志山 | Litchi controlled-release fertilizer and preparation method thereof |
| CN105669317A (en) * | 2016-03-15 | 2016-06-15 | 广西新方向现代农业发展有限公司 | Long-acting fertilizer special for sugarcane and preparation method thereof |
| CN107417344A (en) * | 2017-05-05 | 2017-12-01 | 菏泽学院 | A kind of apple blends dedicated fertilizer formula |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105085054A (en) * | 2015-08-21 | 2015-11-25 | 李志山 | Lychee release-control fertilizer and preparation method thereof |
| CN105669317A (en) * | 2016-03-15 | 2016-06-15 | 广西新方向现代农业发展有限公司 | Long-acting fertilizer special for sugarcane and preparation method thereof |
| CN107417344A (en) * | 2017-05-05 | 2017-12-01 | 菏泽学院 | A kind of apple blends dedicated fertilizer formula |
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Application publication date: 20130116 |