CN101020615A

CN101020615A - Control released composite fertilizer specially for rice and its production process

Info

Publication number: CN101020615A
Application number: CN 200610136767
Authority: CN
Inventors: 文国建; 李元沅; 尹慈娇; 尹慈来; 贺运娥
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-11-29
Filing date: 2006-11-29
Publication date: 2007-08-22
Anticipated expiration: 2026-11-29
Also published as: CN100497269C

Abstract

The present invention discloses one kind of control released composite fertilizer specially for rice and its production process. The control released composite fertilizer has capacity of raising yield and quality of rice, strengthening comprehensive resistance of rice and reducing diseases and pests, less environmental pollution, low cost and simple production process. The present invention features that primary fertilizer products are first produced through compounding material, crushing, extruding and pelletizing, and then re-compounded to obtain the control released composite fertilizer.

Description

A kind of novel control released composite fertilizer specially for rice and production technique

Technical field:

The present invention relates to the production and the application of the special-purpose slow controlled-release compound fertilizer of fertilization compositions based on earth measurement and paddy rice, in particular, it relates to a kind of novel control released composite fertilizer specially for rice and production technique.

Background technology:

At present, China's fertiliser production and use in exist that chemical fertilizer utilization ratio is low, the nutrient proportioning is unreasonable, multiple fertilizer nutrient discharges can not the science regulation and control, the nitrogenous fertilizer volatilization, leaching loss is serious, phosphate fertilizer is how invalid fixing by soil, the instant loss of potash fertilizer is many, in, trace element fertilizer compounding application seldom, existing facility investment of producing slow-release or control-release fertilizer is big, complex manufacturing, cost height, fertilizer price are expensive, be unfavorable for applying as paddy rice fertilizer.

Summary of the invention:

The objective of the invention is to overcome deficiency of the prior art, provide the release of a kind of nutrient may command, reasonable ratio, can the science regulation and control, be difficult for volatilized leaching loss and soil invalid fixing, facility investment is few, production technique is simple, cost is low novel control released composite fertilizer specially for rice and production technique.

In order to solve the technical problem of above-mentioned existence, the present invention is achieved by following technical proposals: it comprises that organic and inorganic delays controlled-release compound fertilizer, inorganic lower concentration delays controlled-release compound fertilizer, in inorganic-the slow controlled-release compound fertilizer series of high density, it is characterized in that, described organic and inorganic delays controlled-release compound fertilizer, inorganic lower concentration delays controlled-release compound fertilizer, in inorganic-the slow controlled-release compound fertilizer series of high density, be according to different paddy soils, the rice varieties characteristic, weather condition choose reasonable base fertilizer, in adding pointedly, trace element, the slowly-releasing material, produce organic and inorganic respectively, inorganic, hurry up, slow, the elementary multiple fertilizer product of slow different slowly-releasing degree, make by the need fertilizer requirement proportioning metering blending of different rice varieties breeding time again and be applicable to different rice fields, rice varieties is made the base manure applied once and can be satisfied the control released composite fertilizer that whole growing is inhaled fertile requirement.

Described organic and inorganic delays controlled-release compound fertilizer N, P ₂O ₅, K ₂The proportioning of O is 9-3-3, organic content 〉=20%; The inorganic slow controlled-release compound fertilizer N of described lower concentration, P ₂O ₅, K ₂The O proportioning is 13-5-7,12-5-8,11-5-9,10-5-10; The inorganic slow controlled-release compound fertilizer N of described middle and high concentration, P ₂O ₅, K ₂The O proportioning is 15-5-10,15-5-15,20-5-15; Described proportioning metering blending is carried out proportioning metering blending for breeding time and the regulation of fertilizer requirement according to different rice varieties; Described inorganic slowly-releasing fast, slow, slow different releasing degrees is multiple fertile in adding the quality and quantity decision that contains MgO slowly-releasing material, can form water-soluble fast, slow, slow release is put the release-controlled coated of multiple fertilizer; The multiple fertile main component of described organic and inorganic slowly-releasing is ammonium humate, phosphorus, potassium, the slowly-releasing thing that adds is a weathered coal, after weathered coal and bicarbonate of ammonia need neutralize earlier, ammonification generates rotten ammonium, with the fertile extrusion granulation of P, K, it was multiple fertile to make the humic acid nitrogen phosphorus potassium slow release again; In the described interpolation, the trace element for volcanics based on olivine basalt (olive), subvolcano rock (MK) is based on half weathered material of two feldspar biotite granites, quartz porphyry.

A kind of production technique of novel control released composite fertilizer specially for rice, it comprise special-purpose fertile batching, grinding and processing, granulation, formulation metering mixing proportion, blending produce the slow controlled release of organic and inorganic, the inorganic slow controlled release of lower concentration, in-the inorganic slow controlled release series compound fertilizer of high density, it is characterized in that, described special-purpose fertile batching is according to different paddy soils, rice varieties characteristic, weather condition choose reasonable base fertilizer, in adding pointedly, trace element, slowly-releasing material; Described grinding and processing is to have special-purpose fertile batching blocky material to carry out grinding and processing; After described granulation was special-purpose fertile batching grinding and processing, fast, slow, the slow release that adopt no drying pair roller extruder grain to produce different slowly-releasing degree were put fertile primary products; Described formulation metering mixing proportion is by the different rice varieties fertile requirement formulation of the need metering blending proportioning of breeding time, described blending production is according to the metering blending proportioning of formulating fast, slow, slow release to be put fertile primary products to carry out blending production and make the novel control released composite fertilizer specially for rice that is applicable to different paddy soils, rice varieties, and packing can be dispatched from the factory then.

The beneficial effect that the present invention has: a kind of novel control released composite fertilizer specially for rice provided by the invention and production technique have such beneficial effect: the nutrient reasonable ratio, in, trace element is worked good, the release rate of energy science regulation and control chemical fertilizer nutrient, the chemical fertilizer utilization ratio height, can reach the yield and quality that improves paddy rice, strengthen the comprehensive resistance of paddy rice, reduce the harm of disease worm, help increasing production of rice, increase matter, increase income, economize fertile, the saving of labor, reduce farmer's burdens, application effect is good, reduced chemical fertilizer to water body, soil, the pollution of atmosphere and agricultural-food, help producing the non-pollution rice product, production cost is low, technology is simple, the product price is low, be a kind of environmental friend fertilizer, have good society, economical, ecological benefits, be convenient to wide popularization and application.

Specific implementation method of the present invention:

At first respectively bicarbonate of ammonia 57%, ammonium phosphate 11.4%, Repone K 15%, magnesium oxide 3% (MgO content requirement 80-85%) subvolcano rock 5%, kaolin 8.6% are all reached above-mentioned material more than 20 orders by pulverizing, stir, adopt the production of no drying pair roller extruder grain sieve powder to release fertile A soon then; Bicarbonate of ammonia 57% monoammonium phosphate 11.4% Repone K 15% magnesium oxide 6% subvolcano rock 3% sepiolite 7.6% is all reached above-mentioned material more than 20 orders by pulverizing, stir, adopt no drying pair roller extruder grain sieve powder to produce slow-release fertilizer B then; Bicarbonate of ammonia 48%, urea 3.6%, monoammonium phosphate 11.4%, Repone K 15%, magnesium oxide 10% (MgO content requirement 80-85%) subvolcano rock 2%, wilkinite 10% are all reached above-mentioned material more than 20 orders by pulverizing, stir, adopt no drying pair roller extruder grain sieve powder to produce the fertile C of slow release then; Measured by weight 4: 5: 1 and stir blending and promptly get the dedicated release-controlled fertilizer product of answering of a season late rice releasing the fertile C of fertile A, slow-release fertilizer B, slow release soon again.

Concrete process implementing flow process:

After at first having blocky material to adopt the chain type pulverizer to pulverize the fertile batching of special use; require metering respectively to pour the hopper of climbing the bucket machine for No. 1 into according to prescription; send into the stirrer stirring through climbing the bucket machine; after fully stirring; send into No. 2 again and climb bucket machine hopper; be transported to the raw material hopper through climbing the bucket machine; get off to send into electromagnetic speed-adjusting disk feeder branch from hopper again and expect the pair roller Squeezinggranulator; material after the granulation is transported to the rolling screen(ing) machine through rotary conveyor; product behind the sieve powder is sent into the primary products hopper; above-mentioned Production Flow Chart divides A; B; C; promptly fast; slow; slow three flow production lines; according to rice varieties difference weighing A; B; the C primary products are sent into stirrer and are stirred blending, promptly get the control released composite fertilizer product after the packing.

Claims

1, a kind of novel control released composite fertilizer specially for rice, it comprises organic and inorganic, inorganic lower concentration, in inorganic-the slow controlled-release compound fertilizer series of high density, it is characterized in that, described organic and inorganic, inorganic lower concentration, in inorganic-the slow controlled-release compound fertilizer series of high density, be according to different paddy soils, the rice varieties characteristic, weather condition choose reasonable base fertilizer, in adding pointedly, trace element, the slowly-releasing material, produce organic and inorganic respectively, inorganic, hurry up, slow, the elementary multiple fertilizer product of slow different slowly-releasing degree, make by the need fertilizer requirement proportioning metering blending of different rice varieties breeding time again and be applicable to different rice fields, rice varieties is made the base manure applied once and can be satisfied the control released composite fertilizer that whole growing is inhaled fertile requirement.

According to the described control released composite fertilizer specially for rice of claim 1, it is characterized in that 2, described organic and inorganic delays controlled-release compound fertilizer N, P ₂O ₅, K ₂The proportioning of O is 9-3-3, organic content 〉=20%.

3, according to the described control released composite fertilizer specially for rice of claim 1, it is characterized in that the inorganic slow controlled-release compound fertilizer N of described lower concentration, P ₂O ₅, K ₂The O proportioning is 13-5-7,12-5-8,11-5-9,10-5-10.

4, according to the described control released composite fertilizer specially for rice of claim 1, it is characterized in that the inorganic slow controlled-release compound fertilizer N of described middle and high concentration, P ₂O ₅, K ₂The O proportioning is 15-5-10,15-5-15,20-5-15.

According to the described control released composite fertilizer specially for rice of claim 1, it is characterized in that 5, described proportioning metering blending is carried out proportioning metering blending for breeding time and the regulation of fertilizer requirement according to different rice varieties.

6, according to the described control released composite fertilizer specially for rice of claim 1, it is characterized in that, described inorganic slowly-releasing fast, slow, slow different releasing degrees is multiple fertile in adding the quality and quantity decision that contains MgO slowly-releasing material, can form water-soluble fast, slow, slow release is put the release-controlled coated of multiple fertilizer.

7, according to claim 1 control released composite fertilizer specially for rice, it is characterized in that, the multiple fertile main component of described organic and inorganic slowly-releasing is ammonium humate, phosphorus, potassium, the slowly-releasing thing that adds is a weathered coal, after weathered coal and bicarbonate of ammonia need neutralize earlier, ammonification generates rotten ammonium, with the fertile extrusion granulation of P, K, it is multiple fertile to make the humic acid nitrogen phosphorus potassium slow release again.

8, according to claim 1 control released composite fertilizer specially for rice, it is characterized in that, in the described interpolation, the trace element for volcanics based on olivine basalt (olive), subvolcano rock (MK) is based on half weathered material of two feldspar biotite granites, quartz porphyry.

9, the production technique of above-mentioned novel control released composite fertilizer specially for rice, it comprise special-purpose fertile batching, grinding and processing, granulation, formulation metering mixing proportion, blending produce the slow controlled release of organic and inorganic, the inorganic slow controlled release of lower concentration, in-the inorganic slow controlled release series compound fertilizer of high density, it is characterized in that, described special-purpose fertile batching is according to different paddy soils, rice varieties characteristic, weather condition choose reasonable base fertilizer, in adding pointedly, trace element, slowly-releasing material; Described grinding and processing is that special-purpose fertile batching is carried out grinding and processing; After described granulation was special-purpose fertile batching grinding and processing, fast, slow, the slow release that adopt no drying pair roller extruder grain to produce different slowly-releasing degree were put fertile primary products; Described formulation metering mixing proportion is by the different rice varieties fertile requirement formulation of the need metering blending proportioning of breeding time, described blending production is according to the metering blending proportioning of formulating fast, slow, slow release to be put fertile primary products to carry out blending production and make the novel control released composite fertilizer specially for rice that is applicable to different paddy soils, rice varieties, and packing can be dispatched from the factory then.