CN105016862A - Root-friendly magnetic slow release fertilizer and preparation method therefor - Google Patents

Abstract

The present invention discloses a root-friendly magnetic slow release fertilizer and a preparation method therefor. The root-friendly magnetic slow release fertilizer is made of the following raw materials in parts by weight: 80-90 parts of bone powder, 12-15 parts of calcium nitrate, 150-160 parts of vermicompost, 120-140 parts of tobacco dust, 18-20 parts of carnallite powder, 25-30 parts of carbamide, 75-95 parts of coal ash, 50-60 parts of pyrite ash, 18-22 parts of tapioca starch, 5-7 parts of calcium acetate, 16-18 parts of a composite biological agent and an appropriate amount of water. According to the invention, the fertilizer is prepared from a main raw material of an organic matter. After the organic matter is applied into soil, the constitution of the soil environment of crop roots can be optimized. Adding various beneficial strain species has a protective effect on the root, and prevents the root from destruction of pathogenic inoculation. As absorbable components, carnallite powder and carbamide can promote growth of the crop roots and induce the roots to extend into deep soil, thereby improving crop nutrition absorption capacity and production performance.

Description

A kind of root system friendly magnetization slow release fertilizer and preparation method thereof

Technical field

The present invention relates to a kind of technical field of fertilizers, particularly a kind of root system friendly magnetization slow release fertilizer and preparation method thereof.

Background technology

China is typical large agricultural country, and the many cultivated areas of the size of population are few, and chemical fertilizer plays very important effect in the production process of farm crop.Showing according to the study, can there is various physicochemical change in the nutrients such as the nitrogen be manured into soil, phosphorus, potassium, and wherein nitrogen can pass through the losses such as volatilization, leaching, denitrification, and phosphorus element is easy to by the Al in soil ³⁺, Fe ³⁺and Ca ²⁺, Mg ²⁺fix etc. various ion, form stable throw out or formed to close with iron, aluminum oxide etc. and store state phosphorus and progressively lose its validity.These factors all can cause the utilization ratio of chemical fertilizer application to reduce.The use of chemical fertilizer also can bring the pollution of environment simultaneously, as the eutrophication etc. of Greenhouse effect, water body.Therefore optimize fertilizer structure, popularization slowly-releasing and release and release control fertilizer are the effective ways improving utilization rate of fertilizer.

Soil-crop system pollution of trace is an organic mineral complex system that contain the synthesis of various ion-transfer, water molecules migration, enzyme and microbial process, magnetic field is by producing soil and biomagnetism effect to the effect of metal magnetic in the electron transmission in system, dipole orientations, enzyme and microorganism etc., to the release of soil nutrient, the ability of soil water-reataining fertilizer-keeping, water supply fertilizer is increased equally.Therefore, use Magnitizing method to prepare fertilizer to be used in soil plantation aspect there are very large potentiality.

The present inventor has prepared a kind of novel magnetization slow release fertilizer for this reason, respectively magnetized solid is carried out to fertiliser granulates and coating liquid carries out liquid magnetized, magnetic carrier is mixed by certain proportion with nitrogen, phosphorus, potassium and trace element etc., can under identical chemical fertilizer drops into, increase crop yield and utilization rate of fertilizer, soil nutrient status improved and improves quality of agricultural product, increasing income increases in grain production, increasing farmers' income and promoting agricultural development has important meaning.

Summary of the invention

The present invention compensate for the deficiencies in the prior art, provides a kind of root system friendly to magnetize slow release fertilizer and preparation method thereof.

Technical scheme of the present invention is as follows:

Fertilizer of the present invention is made up of the raw material of following weight part: bone meal 80-90, nitrocalcite 12-15, wormcast 150-160, tobacco end 120-140, carnallitite powder 18-20, carboxamide 25-30, flyash 75-95, sulfurous iron ore ash 50-60, tapioca (flour) 18-22, calcium acetate 5-7, composite bacteria agent 16-18, water are appropriate;

Described composite bacteria agent comprises sulphate reducing bacteria, different oxygen iron-reducing bacterium and subtilis, and proportion is 1:1:2.

The concrete steps of the preparation of described fertilizer are as follows:

(1) flyash is placed in High Temperature Furnaces Heating Apparatus, calcine 40 minutes at 750-850 DEG C, cooling after taking out, then sulfurous iron ore ash is dropped in High Temperature Furnaces Heating Apparatus, calcine 30 minutes at 500-600 DEG C, cooling after taking out, two kinds of calcination ash mixed and add the macrobead magnetite that particle diameter is greater than 5mm, making calcination ash and magnetite weight ratio be 4:1, concussion is rocked after 40-60 minute and is crossed 80-100 mesh sieve, obtain preliminary magnetized mixed calcining ash, for subsequent use;

(2) will drop in fermentation vat after wormcast, tobacco end, bone meal co-grinding, fermentation heap water content control be 30-40%, fermentation 3-4 week, after having fermented, fermentation materials is taken out broken squeezing, isolates fermentation residue and fermented liquid;

(3) fermentation residue, step 1 gained mixed calcining ash and carnallitite powder, carboxamide mixed and stir, being placed in tablets press granulation, gained particle is placed in magnetizer, under the field intensity of 3500-4500mT, magnetize 12-15 second;

(4) step 2 gained fermented liquid is mixed with tapioca (flour), and be heated to 60-80 DEG C, keep 25-35 minute, in solution, add calcium acetate, nitrocalcite and other leftover materials again after being cooled to room temperature, and be heated to 60-70 DEG C, chelating 30-40 minute, in chelating liquid, composite bacteria agent is added again after cooling, stir, gained solution is placed in magnetizer, magnetize 5 minutes under the field intensity of 300-400mT;

(5) adopt the mode of high-pressure fog to be uniformly coated on step 3 gained magnetized particles outside surface, weighing and bagging after oven drying at low temperature step 4 gained magnetization coating liquid, and the warehouse be placed in away from ferrous metal material is preserved.

Beneficial effect of the present invention:

Magnetized use can cause the part hydrogen bond fission between coating liquid water molecules, the oxygen level of coating liquid is increased, thus causes the increase of ultra-oxygen anion free radical, makes coating liquid produce the insect killing effect of certain harmful bacteria, ensures the health of crop root.

After magnetization, in system, hydrone and water dimer molecule increase coating liquid freely, stripping nutrient is more easily entered in crop cell, to promote the metabolism of cell, strengthen cell viability, improve the photosynthesis of crop and the receptivity to nutritive substance, better complete slow-releasing and controlled-releasing action, promote crop growth.

Fertilizer of the present invention take organic matter as main raw material; the edatope can optimizing crop root after being manured into soil is formed; the interpolation of multiple beneficial bacterial classification plays a protective role to root; prevent infecting of germ from damaging root system; carnallitite powder, carboxamide are as easily absorbing the growth that composition can impel crop root; induction root system extends to deep soil, and then improves the dietetic alimentation ability of crop, improves crop production performance.

Specific embodiments

Below in conjunction with following embodiment, the present invention is described in further detail:

The raw material taking following weight part (kg) is made: bone meal 85, nitrocalcite 14, wormcast 155, tobacco end 130, carnallitite powder 19, carboxamide 27, flyash 85, sulfurous iron ore ash 55, tapioca (flour) 20, calcium acetate 6, composite bacteria agent 17, water are appropriate;

Described composite bacteria agent comprises sulphate reducing bacteria, different oxygen iron-reducing bacterium and subtilis, and proportion is 1:1:2.

The concrete steps of the preparation of described fertilizer are as follows:

(1) flyash is placed in High Temperature Furnaces Heating Apparatus, calcine 40 minutes at 800 DEG C, cooling after taking out, then sulfurous iron ore ash is dropped in High Temperature Furnaces Heating Apparatus, calcine 30 minutes at 550 DEG C, cooling after taking out, two kinds of calcination ash mixed and add the macrobead magnetite that particle diameter is greater than 5mm, making calcination ash and magnetite weight ratio be 4:1, concussion is rocked after 50 minutes and is crossed 90 mesh sieves, obtain preliminary magnetized mixed calcining ash, for subsequent use;

(2) will drop in fermentation vat after wormcast, tobacco end, bone meal co-grinding, fermentation heap water content control be 30-40%, ferments 3 weeks, after having fermented, fermentation materials is taken out broken squeezing, isolates fermentation residue and fermented liquid;

(3) fermentation residue, step 1 gained mixed calcining ash and carnallitite powder, carboxamide mixed and stir, being placed in tablets press granulation, gained particle is placed in magnetizer, magnetize 12 seconds under the field intensity of 4000mT;

(4) step 2 gained fermented liquid is mixed with tapioca (flour), and be heated to 70 DEG C, keep 30 minutes, in solution, add calcium acetate, nitrocalcite and other leftover materials again after being cooled to room temperature, and be heated to 65 DEG C, chelating 35 minutes, in chelating liquid, composite bacteria agent is added again after cooling, stir, gained solution is placed in magnetizer, magnetize 5 minutes under the field intensity of 400mT;

(5) adopt the mode of high-pressure fog to be uniformly coated on step 3 gained magnetized particles outside surface, weighing and bagging after oven drying at low temperature step 4 gained magnetization coating liquid, and the warehouse be placed in away from ferrous metal material is preserved.

In order to verify the practicality of fertilizer of the present invention further, contriver have chosen 10 mu of experimental plots, the concrete result of use of fertilizer of the present invention is measured by plantation wheat, wherein 5 mu use magnetization slow release fertilizer of the present invention as base manure as experimental group, other 5 mu use commercially available common fertilizer as base manure, two kinds of fertilizer usage quantitys are equal, be every mu of 1500kg, between planting season, the management mode of 2 groups is identical, and at random the topsoil soils of 2 groups is sampled, carry out the mensuration of nutrient, finally measure output again, data are as follows:

Project	Control group	Experimental group
			Plant seedling rate (%) after 10 days	94.5	98.4
Soil organic matter content (%)	18.0	21.4
			Total nitrogen content of soil (%)	1.46	1.72
Soil available phosphorus content (mg/kg)	84.16	106.57
			Soil Available potassium content (mg/kg)	169.65	197.15
Utilization rate of fertilizer (%)	24.3	39.6
			Wheat yield (kg/ mu)	423	501

After employing magnetization slow release fertilizer of the present invention as can be seen from the above data, the Content of available nutrient element of soil obviously increases, to the good promoter action of having grown of crop, in planting process, control group plant is higher and thin, experimental group is then relatively short strong, blade edge and shinny, illustrate that fertilizer of the present invention effectively can control the overgrowing in plant early stage, and provide adequate nutrients for the later stage, finally improve crop yield.

Claims (2)

1. root system friendly magnetization slow release fertilizer and preparation method thereof, it is characterized in that, be made up of the raw material of following weight part: bone meal 80-90, nitrocalcite 12-15, wormcast 150-160, tobacco end 120-140, carnallitite powder 18-20, carboxamide 25-30, flyash 75-95, sulfurous iron ore ash 50-60, tapioca (flour) 18-22, calcium acetate 5-7, composite bacteria agent 16-18, water are appropriate;

Described composite bacteria agent comprises sulphate reducing bacteria, different oxygen iron-reducing bacterium and subtilis, and proportion is 1:1:2.

2. root system friendly magnetization slow release fertilizer according to claims 1 and preparation method thereof, it is characterized in that, the concrete steps of preparation method are as follows:

(1) flyash is placed in High Temperature Furnaces Heating Apparatus, calcine 40 minutes at 750-850 DEG C, cooling after taking out, then sulfurous iron ore ash is dropped in High Temperature Furnaces Heating Apparatus, calcine 30 minutes at 500-600 DEG C, cooling after taking out, two kinds of calcination ash mixed and add the macrobead magnetite that particle diameter is greater than 5mm, making calcination ash and magnetite weight ratio be 4:1, concussion is rocked after 40-60 minute and is crossed 80-100 mesh sieve, obtain preliminary magnetized mixed calcining ash, for subsequent use;

(2) will drop in fermentation vat after wormcast, tobacco end, bone meal co-grinding, fermentation heap water content control be 30-40%, fermentation 3-4 week, after having fermented, fermentation materials is taken out broken squeezing, isolates fermentation residue and fermented liquid;

(3) fermentation residue, step 1 gained mixed calcining ash and carnallitite powder, carboxamide mixed and stir, being placed in tablets press granulation, gained particle is placed in magnetizer, under the field intensity of 3500-4500mT, magnetize 12-15 second;

(4) step 2 gained fermented liquid is mixed with tapioca (flour), and be heated to 60-80 DEG C, keep 25-35 minute, in solution, add calcium acetate, nitrocalcite and other leftover materials again after being cooled to room temperature, and be heated to 60-70 DEG C, chelating 30-40 minute, in chelating liquid, composite bacteria agent is added again after cooling, stir, gained solution is placed in magnetizer, magnetize 5 minutes under the field intensity of 300-400mT;

(5) adopt the mode of high-pressure fog to be uniformly coated on step 3 gained magnetized particles outside surface, weighing and bagging after oven drying at low temperature step 4 gained magnetization coating liquid, and the warehouse be placed in away from ferrous metal material is preserved.