CN104829353A - Paddy rice dedicated sustain-released organic fertilizer and preparation method thereof - Google Patents

Abstract

The invention discloses a paddy rice dedicated sustain-released organic fertilizer and a preparation method thereof. The organic fertilizer is composed of the following raw materials in parts by weight: 40 to 50 parts of hydrochloric acid solution (0.1 mol/L), 15 to 20 parts of dolomite, 20 to 30 parts of dry cow dung, 35 to 50 parts of corn straw, 25 to 40 parts of rice bran, 2 to 3 parts of EM inoculant, 8 to 15 parts of potassium sulfate, 12 to 16 parts of ammonium dihydrogen phosphate, 6 to 8 parts of potassium permanganate, 20 to 25 parts of urea, 4 to 5 parts of fertilizer additive, and a proper amount of water. The specially-produced fertilizer additive is used and is covered on the surface of stone powder by a coating machine; the stone is insoluble and stable, thus the inorganic fertilizer components can be absorbed by the additive, the fertilizer will settle in the sludge of paddy rice field due to the self-weight, the fertilizer will be near the roots of paddy rice in a free state, the effective components of fertilizer will be concentrated in a point, and the nutrient loss due to water flowing is reduced.

Description

A kind of Organic slow-release fertilizer special for paddy rice and preparation method thereof

Technical field

The invention belongs to the Technology field of fertilizer, be specifically related to a kind of Organic slow-release fertilizer special for paddy rice and preparation method thereof.

Background technology

In view of the present situation of current China chemical fertilizers production application, since the eighties in 20th century, the a large amount of uses on Vegetable produce of chemical fertilizer, agricultural chemicals, cause soil compaction, degree of salinity is aggravated, to the serious threat that agroecological environment is formed, cause underground water to drink pollution simultaneously, landed property area is little per capita in China, how to utilize limited land resources, under the prerequisite ensureing soil sustainable utilization, the vegetables product of production high-quality, safety, becomes the important topic of various countries agricultural science and technology worker research.Based on above reason, people propose to use fertilizer additive, and to improve, utilization rate of fertilizer is low, the feature of the wasting of resources and Water Eutrophication.

Summary of the invention

A kind of Organic slow-release fertilizer special for paddy rice, it is characterized in that, be made up of the raw material of following weight part: the hydrochloric acid soln 40 ~ 50 of 0.1mol/L, rhombspar 15 ~ 20, dry cow dung 20 ~ 30, maize straw 35 ~ 50, rice bran 25 ~ 40, EM microbial inoculum 2 ~ 3, potassium sulfate 8 ~ 15, primary ammonium phosphate 12 ~ 16, potassium permanganate 6 ~ 8, urea 20 ~ 25, fertilizer additive 4 ~ 5 and appropriate water;

Described fertilizer additive is made up of following raw material: terra alba 10 ~ 15, oleum lini 4 ~ 6, vinylbenzene 10 ~ 12, sodium stearate 1 ~ 2, N hydroxymethyl acrylamide 2 ~ 3, ethanol 8 ~ 10 are appropriate water; Preparation method is: by ethanol and water with 1: 10 ratio dissolve each other after put into reactor, add vinylbenzene and N hydroxymethyl acrylamide, be heated to 70 ~ 80 DEG C, stirring and dissolving, mixing oleum lini and sodium stearate join in the water of 4 ~ 5 times of its total weight parts, bubble after stirring 10min, then join in aforesaid reactor, heating and thermal insulation, and stirring 0.5 ~ 2h carries out composite under the rotating speed of 300 ~ 500r/min, finally terra alba was finely ground to 200 mesh sieves to add in total material to stir and make emulsion, and was incubated for subsequent use and get final product.

A preparation method for Organic slow-release fertilizer special for paddy rice, is characterized in that, comprises following step:

(1) rhombspar is pulverized, grinding and sieving net, the particle of 40 ~ 60 mesh sieves must be, the hydrochloric acid soln putting into 0.1mol/L stirs 5 ~ 10min, washs 2 ~ 3 times after filtering out hydrochloric acid with clear water;

(2) maize straw is first ground into scoriform, then mixes dry cow dung, plant ash and rice bran, add the EM microbial inoculum with the dilution of 10 times, water, adjustment water content 40%, under 30 ~ 35 DEG C of conditions, heap fermentation obtains fermentation material in 20 ~ 25 days;

(3) potassium sulfate, primary ammonium phosphate, potassium permanganate and urea is mixed, pulvis is ground into pulverizer, then preheating fertilizer additive to 100 ~ 110 DEG C in coating machine, the particle surface described in (1) of rolling is sprayed at the form of spraying, mix with aforesaid pulvis after cooling under normal temperature, machinery rolling 5 ~ 7min;

(4) mix (2) (3) products therefrom and other remaining component, add water to water content 20% in right amount, granulation.

The present invention is according to the root problem in fertilizer current generation, and namely utilization rate of fertilizer is low, and fertilizer efficiency is slow, nutrient supply is unstable and easily cause the shortcoming of body eutrophication, prepares a kind of concentrated fertilizer with fertilizer additive, completes by the following method:

Described fertilizer additive is a kind of with styrene resin alicyclic monomer, binding agent N hydroxymethyl acrylamide is coordinated to be a kind of high performance water-soluble material prepared by main body, wherein add the sliminess that plant oil oleum lini increases main body, add sodium stearate as surfactant, then oleum lini and the perfection of resene monomer agree with, form a kind of additive with high bonding characteristic, present gluing form, finally add terra alba, refining grinding, determine the granularity of terra alba, add as a kind of structural agent, make main body more stable.

This additive generally coordinates bigbore talc particles together to use, the rock particles with improvement soil characteristic is ground into the particulate state of certain particle size size, then acid or base extraction is used, make smooth powder particles surface irregularity, then fertilizer additive to 70 ~ 80 DEG C are heated, join the surface of aforementioned powder particles, stirring and evenly mixing becomes thickener, naturally cooling is also air-dry, again be crushed to fine particle agent after air-dry, coordinate Inorganic chemical composition and organic fermentation material composition etc. to make powder;

The object of such preparation is the bonding characteristic and the adsorption that utilize additive, effectively prevent the loss of fertilizer nutrient, combine with talc particles, in the process of fertilising, if need water fertilising, the fertilizer dissolved can discharge talc particles, talc particles precipitation enters soil, be attached near root system of plant, the scope internal adsorption ability of zonule is strengthened, and the factor of the useful plants growths such as attached microbial, mineral ion and organic acid is adsorbed, and can reach effective utilization rate of fertilizer, promote the absorption of fertilizer, and permanently effective.

Beneficial effect of the present invention: the present invention utilizes special fertilizer additive, in coating machine, coating is on the surface of stone flour, then insoluble and the stability absorption mineral manure composition of stone flour is utilized, because own wt is deposited in the mud of rice terrace, be free near rice root, make the effective constituent of fertilizer concentrate on a point, reduce the situation that it runs off with flow action.

Embodiment

Embodiment 1:

A kind of Organic slow-release fertilizer special for paddy rice, it is characterized in that, be made up of the raw material of following weight part (Kg): the hydrochloric acid soln 50 of 0.1mol/L, rhombspar 15, dry cow dung 20, maize straw 50, rice bran 25, EM microbial inoculum 2, potassium sulfate 10, primary ammonium phosphate 12, potassium permanganate 6, urea 20, fertilizer additive 4 and appropriate water;

Described fertilizer additive is made up of following raw material: terra alba 10, oleum lini 5, vinylbenzene 12, sodium stearate 2, N hydroxymethyl acrylamide 2, ethanol 8 are appropriate water; Preparation method is: by ethanol and water with 1: 10 ratio dissolve each other after put into reactor, add vinylbenzene and N hydroxymethyl acrylamide, be heated to 70 ~ 80 DEG C, stirring and dissolving, mixing oleum lini and sodium stearate join in the water of 4 ~ 5 times of its total weight parts, bubble after stirring 10min, then join in aforesaid reactor, heating and thermal insulation, and stirring 0.5 ~ 2h carries out composite under the rotating speed of 300 ~ 500r/min, finally terra alba was finely ground to 200 mesh sieves to add in total material to stir and make emulsion, and was incubated for subsequent use and get final product.

A preparation method for Organic slow-release fertilizer special for paddy rice, is characterized in that, comprises following step:

(1) rhombspar is pulverized, grinding and sieving net, the particle of 40 ~ 60 mesh sieves must be, the hydrochloric acid soln putting into 0.1mol/L stirs 5 ~ 10min, washs 2 ~ 3 times after filtering out hydrochloric acid with clear water;

(2) maize straw is first ground into scoriform, then mixes dry cow dung, plant ash and rice bran, add the EM microbial inoculum with the dilution of 10 times, water, adjustment water content 40%, under 30 ~ 35 DEG C of conditions, heap fermentation obtains fermentation material in 20 ~ 25 days;

(3) potassium sulfate, primary ammonium phosphate, potassium permanganate and urea is mixed, pulvis is ground into pulverizer, then preheating fertilizer additive to 100 ~ 110 DEG C in coating machine, the particle surface described in (1) of rolling is sprayed at the form of spraying, mix with aforesaid pulvis after cooling under normal temperature, machinery rolling 5 ~ 7min;

(4) mix (2) (3) products therefrom and other remaining component, add water to water content 20% in right amount, granulation.

Organic slow-release fertilizer special for paddy rice of the present invention is used for the planting experiment of 5 mu of rice terraces as main rice terrace plantation fertilizer, 5 mu of rice fields of control group are planted routinely and are executed requirement and use common fertilizer, other condition is all identical, result shows: the rice terrace of experimental group is when reaching equal harvest, its fertilizer used greatly reduces, using due to organic composition simultaneously, reduce agricultural land and salting of soil, the quantity of weeds also obviously reduces, reduce the use of manpower and materials, improve nearly 25% economically on year-on-year basis.

Claims (2)

1. an Organic slow-release fertilizer special for paddy rice, it is characterized in that, be made up of the raw material of following weight part: the hydrochloric acid soln 40 ~ 50 of 0.1mol/L, rhombspar 15 ~ 20, dry cow dung 20 ~ 30, maize straw 35 ~ 50, rice bran 25 ~ 40, EM microbial inoculum 2 ~ 3, potassium sulfate 8 ~ 15, primary ammonium phosphate 12 ~ 16, potassium permanganate 6 ~ 8, urea 20 ~ 25, fertilizer additive 4 ~ 5 and appropriate water;

Described fertilizer additive is made up of following raw material: terra alba 10 ~ 15, oleum lini 4 ~ 6, vinylbenzene 10 ~ 12, sodium stearate 1 ~ 2, N hydroxymethyl acrylamide 2 ~ 3, ethanol 8 ~ 10 are appropriate water; Preparation method is: by ethanol and water with 1: 10 ratio dissolve each other after put into reactor, add vinylbenzene and N hydroxymethyl acrylamide, be heated to 70 ~ 80 DEG C, stirring and dissolving, mixing oleum lini and sodium stearate join in the water of 4 ~ 5 times of its total weight parts, bubble after stirring 10min, then join in aforesaid reactor, heating and thermal insulation, and stirring 0.5 ~ 2h carries out composite under the rotating speed of 300 ~ 500r/min, finally terra alba was finely ground to 200 mesh sieves to add in total material to stir and make emulsion, and was incubated for subsequent use and get final product.

2. the preparation method of a kind of Organic slow-release fertilizer special for paddy rice according to claim 1, is characterized in that, comprise following step:

(1) pulverized by rhombspar, grinding and sieving net, must be the particle of 40 ~ 60 mesh sieves, the hydrochloric acid soln putting into 0.1mol/L stirs 5 ~ 10min, washs 2 ~ 3 times after filtering out hydrochloric acid with clear water;

(2) maize straw is first ground into scoriform, then mixes dry cow dung, plant ash and rice bran, add the EM microbial inoculum with the dilution of 10 times, water, adjustment water content 40%, under 30 ~ 35 DEG C of conditions, heap fermentation obtains fermentation material in 20 ~ 25 days;

(3) potassium sulfate, primary ammonium phosphate, potassium permanganate and urea is mixed, pulvis is ground into pulverizer, then preheating fertilizer additive to 100 ~ 110 DEG C in coating machine, the particle surface described in (1) of rolling is sprayed at the form of spraying, mix with aforesaid pulvis after cooling under normal temperature, machinery rolling 5 ~ 7min;

(4) mix (2) (3) products therefrom and other remaining component, add water to water content 20% in right amount, granulation.