CN105111000A - Liquid fertilizer controlling root-knot nematodes and preparation method therefor - Google Patents

Abstract

The invention discloses a liquid fertilizer controlling root-knot nematodes. The liquid fertilizer is prepared from the following raw materials, by weight, 23-27 parts of old vegetable leaves, 6-8 parts of whey powder, 49-51 parts of fermented corn dross, 1-3 parts of magnesium sulfate, 38-42 parts of cottonseed cakes, 13-16 parts of dipotassium phosphate, 105-125 parts of waste livestock and poultry feathers, 2-3 parts of copper sulphate, 3-5 parts of ferrous sulphate, 2-4 parts of GM microbial preparations and a proper amount of water. The liquid fertilizer is prepared through a plurality of technologies, has characteristics of easy absorption, high nutrients and the like, growth and breeding of beneficial microorganisms in soil can be stimulated through addition of a plurality of organic components in the raw materials and with cooperation of the GM fungicide, microbial number at roots of nematodes and parasitic plants is increased and pathogens carried with nematodes are inhibited, the self system resistance of crops is raised through improvement of soil physical and chemical properties and addition of abundant medium trace elements, and therefore the liquid fertilizer has a good control effect on root-knot nematodes.

Description

A kind ofly prevent and treat Liquid Fertilizer of crop root knot nematode and preparation method thereof

Technical field

The present invention relates to a kind of technical field of fertilizers, particularly a kind ofly prevent and treat Liquid Fertilizer of crop root knot nematode and preparation method thereof.

Background technology

China is as large agricultural country, and agriculture production plays vital effect to national economy, and fertilizer is the important factor affecting agriculture production yield and quality.But most fertilizer existing defects in nutritive ingredient in the market, namely while raising output, some nutriment is caused not catch up with demand, or lay particular emphasis on stimulation plant growth, cause nutritional deficiency disease etc., cause the resistance of crop poor, output reduces and quality decline, cannot meet the demand of present stage agriculture production.

Compost extracting solution refers to the aqueous extract of the organic materials of decomposition reactor system after diverse ways extracts, can not only Promoting plant growth, improve crop quality and increase crop yield, and have obvious inhibition to soil-borne pathogen, a kind of effective means of alternative chemical pesticide control certain plants disease can be developed into, there is the effect of fertile medicine unification.Be different from compost to be manured into soil, compost extracting solution can fill with root also can foliage-spray, and using method is simple and save labor force.

Therefore, the present inventor utilizes compost extracting solution and has prepared a kind of novel liquid fertilizer in conjunction with kinds of processes, in nutritive ingredient with functionally there is larger improvement, to adapt to the needs of agricultural cultivation under conditions present, significant promoter action is all brought to the high yield of farm crop and high-quality, and technical support is provided to the ecological agriculture of development green health, promote and improve the development of agricultural.

Summary of the invention

The present invention compensate for the deficiencies in the prior art, provides a kind of and prevents and treats Liquid Fertilizer of crop root knot nematode and preparation method thereof.

Technical scheme of the present invention is as follows:

Liquid fertilizer of the present invention is made up of the raw material of following weight part: old vegetable leaf 23-27, malted milk 6-8, fermented maize grain 49-51, magnesium sulfate 1-3, cottonseed cake 38-42, dipotassium hydrogen phosphate 13-16, discarded livestock and poultry feather 105-125, copper sulfate 2-3, ferrous sulfate 3-5, GM microbial preparation 2-4, water are appropriate.

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

(1) equiponderant two parts are divided into after discarded livestock and poultry feather being cleaned oven dry pulverizing, portion adds the 3mol/L sulphuric acid soln of 10 times of weight, be placed in microwave oven microwave hydrolysis 240-250 minute, another part adds in the 6mol/L potassium hydroxide solution of 10 times of weight, is placed in microwave oven microwave hydrolysis 280-320 minute;

(2) step 1 gained two kinds of microwave hydrolysis liquid are mixed and stir, filtration obtains hydrolysis clear liquid and organic detritus, malted milk, copper sulfate is added again in hydrolysis clear liquid, PH is adjusted to 6.0,70-90 minute is reacted at being heated to 50-60 DEG C, add ferrous sulfate again and be warming up to 65-75 DEG C of reaction 40-60 minute, obtaining composite aminoacid chelating liquid, for subsequent use;

(3) step 2 gained organic detritus is mixed with fermented maize grain, cottonseed cake, old vegetable leaf, put in fermentation vat, add suitable quantity of water and make fermentation heap water content control be 45-55%, compost fermentation 30-50 days, take out after fully becoming thoroughly decomposed;

(4) in step 3 gained compost, pass into the water of 9-11 times of weight and add GM microbial preparation, stirring to be placed in encloses container and place 6-8 days, then filtering with double gauze, obtaining lonely compost extracting solution;

(5) by step 2 gained composite aminoacid chelating liquid, step 4 gained compost extracting solution, magnesium sulfate, dipotassium hydrogen phosphate and leftover materials mixing and stirring, gained liquid fertilizer is placed in magnetizer under 350-450mT field intensity, magnetizes 8-10 minute, obtain liquid fertilizer of the present invention.

Be means with microwave heating in preparation process, the mode of its heating substantially reduces hydrolysis time, reduce the consumption of energy consumption and hydrolysising solvent, hydrolysis material is carried out respectively with sulphuric acid soln and potassium hydroxide solution, then the hydrolyzed solution neutralization under two kinds of different conditions, the a large amount of acid-base waste fluids produced after can eliminating hydrolysis, and compensate for the loss of the partial amino-acid kind caused in different hydrolysis medium Water Under solution, improve liquid fertilizer fertilizer efficiency.

In preparation process, compost is residue obtained owing to becoming thoroughly decomposed fully after filtering, directly can use as fertilizer, achieve the maximum using of resource, and can play purification repair to edatope.

The using method of liquid fertilizer of the present invention is root drip irrigation or foliage-spray, and consumption is every mu of 2000-2500kg.

Beneficial effect of the present invention:

Use anaerobic condition can reduce dissolved oxygen content in extracting solution in compost leaching process, restriction organic matter and available nutrient by a large amount of decomposition and consumption of microorganism, thus improve npk nutrient content in liquid fertilizer.

Liquid internal is made to divide hydrogen bond rupture to the energy of magnetization of liquid fertilizer in preparation process, add the quantity of hydrone in liquid fertilizer system, diminishing of water molecules, the dissolved oxygen amount of liquid fertilizer is increased, and diffusibility strengthens, and more easily enters and do in object in the activity of Crop nutrition, accelerate the transport of nutrition, promote photosynthesis, manufacture more multiple nutrient matter, to promote growing of crop.

Liquid fertilizer of the present invention is prepared from through kinds of processes, there is easy absorption, nutrient high, in raw material, the interpolation of multiple organic composition coordinates the use of GM microbial inoculum that beneficial microorganism in soil can be stimulated to grow up and breeding, add the microbe population of food nematode and phytoparasite rhizosphere, inhibit the germ that nematode is carried, the improvement of soil physical and chemical property and the interpolation of abundant medium trace element are turn improved to the system resistant of crop itself simultaneously, thus to root knot nematode, there is good prevention effect.

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: old vegetable leaf 25, malted milk 7, fermented maize grain 50, magnesium sulfate 2, cottonseed cake 40, dipotassium hydrogen phosphate 15, discarded livestock and poultry feather 115, copper sulfate 2, ferrous sulfate 4, GM microbial preparation 3, water are appropriate.

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

(1) equiponderant two parts are divided into after discarded livestock and poultry feather being cleaned oven dry pulverizing, portion adds the 3mol/L sulphuric acid soln of 10 times of weight, be placed in microwave oven microwave hydrolysis 240 minutes, another part adds in the 6mol/L potassium hydroxide solution of 10 times of weight, is placed in microwave oven microwave hydrolysis 300 minutes;

(2) step 1 gained two kinds of microwave hydrolysis liquid are mixed and stir, filtration obtains hydrolysis clear liquid and organic detritus, malted milk, copper sulfate is added again in hydrolysis clear liquid, PH is adjusted to 6.0, react 80 minutes at being heated to 55 DEG C, add ferrous sulfate again and be warming up to 70 DEG C of reactions 50 minutes, obtaining composite aminoacid chelating liquid, for subsequent use;

(3) step 2 gained organic detritus is mixed with fermented maize grain, cottonseed cake, old vegetable leaf, put in fermentation vat, add suitable quantity of water and make fermentation heap water content control be 45-55%, compost fermentation 40 days, take out after fully becoming thoroughly decomposed;

(4) in step 3 gained compost, pass into the water of 10 times of weight and add GM microbial preparation, stirring to be placed in encloses container and place 7 days, then filter with double gauze, obtain lonely compost extracting solution;

(5) by step 2 gained composite aminoacid chelating liquid, step 4 gained compost extracting solution, magnesium sulfate, dipotassium hydrogen phosphate and leftover materials mixing and stirring, gained liquid fertilizer is placed in magnetizer to magnetize 9 minutes under 400mT field intensity, obtains liquid fertilizer of the present invention.

In order to verify the practicality of liquid fertilizer of the present invention further, contriver measures the concrete effect of this liquid fertilizer by rice cultivation, contriver have chosen 20 mu of rice test fields, wherein 10 mu spray common commercially available liquid fertilizer as a control group, another 10 mu spray liquid fertilizer of the present invention as experimental group, every mu sprays 2500kg Liquid Fertilizer, and during Rice Cropping, adopt identical management process, is total to data are as follows after results:

Project	Control group	Experimental group
			Soil available nitrogen content (mg/kg)	30.37	33.13
Soil available phosphorus content (mg/kg)	52.45	60.10
			Soil Available potassium content (mg/kg)	147.28	151.30
Disease and pest incidence (%)	7.25	3.18
			Root knot nematode density (number/100g dry ground)	671	327
Rice yield (kg/ mu)	540	616

Can be found out that by the data obtained the nutrient content of the experimental group soil employing liquid fertilizer of the present invention is more sufficient, paddy growth demand can be met, add rice yield, and considerably reduce the generation of paddy rice common disease and pest, the quantity of root knot nematode decreases over half, prevention effect is remarkable, improves paddy quality.

Claims (2)

1. prevent and treat the Liquid Fertilizer of crop root knot nematode for one kind, it is characterized in that, be made up of the raw material of following weight part: old vegetable leaf 23-27, malted milk 6-8, fermented maize grain 49-51, magnesium sulfate 1-3, cottonseed cake 38-42, dipotassium hydrogen phosphate 13-16, discarded livestock and poultry feather 105-125, copper sulfate 2-3, ferrous sulfate 3-5, GM microbial preparation 2-4, water are appropriate.

2. the Liquid Fertilizer of the control crop root knot nematode according to claims 1, it is characterized in that, the concrete steps of preparation method are as follows:

(1) equiponderant two parts are divided into after discarded livestock and poultry feather being cleaned oven dry pulverizing, portion adds the 3mol/L sulphuric acid soln of 10 times of weight, be placed in microwave oven microwave hydrolysis 240-250 minute, another part adds in the 6mol/L potassium hydroxide solution of 10 times of weight, is placed in microwave oven microwave hydrolysis 280-320 minute;

(2) step 1 gained two kinds of microwave hydrolysis liquid are mixed and stir, filtration obtains hydrolysis clear liquid and organic detritus, malted milk, copper sulfate is added again in hydrolysis clear liquid, PH is adjusted to 6.0,70-90 minute is reacted at being heated to 50-60 DEG C, add ferrous sulfate again and be warming up to 65-75 DEG C of reaction 40-60 minute, obtaining composite aminoacid chelating liquid, for subsequent use;

(3) step 2 gained organic detritus is mixed with fermented maize grain, cottonseed cake, old vegetable leaf, put in fermentation vat, add suitable quantity of water and make fermentation heap water content control be 45-55%, compost fermentation 30-50 days, take out after fully becoming thoroughly decomposed;

(4) in step 3 gained compost, pass into the water of 9-11 times of weight and add GM microbial preparation, stirring to be placed in encloses container and place 6-8 days, then filtering with double gauze, obtaining lonely compost extracting solution;

(5) by step 2 gained composite aminoacid chelating liquid, step 4 gained compost extracting solution, magnesium sulfate, dipotassium hydrogen phosphate and leftover materials mixing and stirring, gained liquid fertilizer is placed in magnetizer under 350-450mT field intensity, magnetizes 8-10 minute, obtain liquid fertilizer of the present invention.