CN105348010A - Soil-improvement type microbial fertilizer and preparation method thereof - Google Patents

Abstract

The invention discloses soil-improvement type microbial fertilizer and a preparation method thereof. The soil-improvement type microbial fertilizer is prepared from, by weight, starch, corn bran, cottonseed hulls, a microbial agent, glycerinum, ammonium bicarbonate, magnesium sulfate, turf, peat soil, rare earth nitrate, milk vetch straw, shell powder, borax, potassium nitrate, calcium superphosphate and a defined amount of water. If a certain type of crops are planted for a long time, deficiency of a single element in soil can be caused, the soil is prone to hardening, and the content of organic matter and the content of microorganisms are low; by means of the fertilizer which has the property of soil improvement and is prepared through the microbial fermentation technology, soil quality improvement is facilitated, all elements can be balanced, a certain water and fertilizer retention effect is achieved, subsequent management and fertilizer application amount are greatly reduced, the fertilizer is rich in microorganisms beneficial to the soil, and organic matter in the soil can be decomposed and utilized better.

Description

A kind of soil improvement type microbial fertilizer and preparation method thereof

Technical field

The invention belongs to the Technology field of fertilizer, be specifically related to a kind of soil improvement type microbial fertilizer and preparation method thereof.

Background technology

The advantage of microbial fertilizer is: can by the amount reproduction of probiotics, and a large amount of probiotics forms dominant population around the root system of plant, inhibits the vital movement of other harmful bacteria.Can organic matter in fast decoupled soil, promote the formation of soil granular, can chessom by the activity of probiotics, the fertilizer conservation of soil, fertilizer, water conservation, water supply and ventilation property are all well regulated.The pesticide residue in soil can be decomposed simultaneously, avoid remains of pesticide to produce poisoning to crop of lower season, also the objectionable impurities of discharging in Root-development is decomposed.

But the shortcoming of microbial fertilizer also clearly, present situation generally lacks high efficient strain, and microorganism resource lacks, and the bacterial classification of a lot of producer is all utilizing same bacterial strain, and technology is backwardness relatively.The core of microbial fertilizer is the specific effective live microorganism of preparation, there is certain activity, provide the moisture content that microorganism is suitable, the residual sugar content in pH, carrier simultaneously, wrapping material etc., exposure that simultaneously can't be long-term is in atmosphere in order to avoid ultraviolet germicidal action.

Modern microbial fertilizer should in maintenance of soil fertility, recover, keep soil quality healthy, the organic materialss such as stalk quick composting in soil can be accelerated and decompose, improve fixed nitrogen and the Nutrient Transformation of crop, improve utilization rate of fertilizer, overcome continuous cropping obstacles etc. simultaneously.

Summary of the invention

The object of the invention is to invent a kind of microbial fertilizer, improve the environment viability of microorganism, the activity time made it in soil is longer, reduces the abuse of foreign aid's additive, maintains the theory of environmental protection, realizes particular by following methods:

A kind of soil improvement type microbial fertilizer, it is characterized in that, be made up of the raw material of following weight part: starch 10 ~ 15, corn bran 20 ~ 30, cotton seed hulls 10 ~ 15, microbiobacterial agent 3 ~ 5, glycerine 2 ~ 3, bicarbonate of ammonia 3 ~ 5, magnesium sulfate 4 ~ 7, the peat composed of rotten mosses 15 ~ 20, peat soil 5 ~ 10, rare earth nitrate 15 ~ 20, Herba Astragali Melilotoidis (Herba Astragali Sinici) stalk 65 ~ 80, oyster shell whiting 10 ~ 16, borax 5 ~ 9, saltpetre 10 ~ 15, calcium superphosphate 15 ~ 20 and appropriate water;

Described microbiobacterial agent is bacillus amyloliquefaciens, thiobacillus thiooxidans, vinelandii, yeast mix in 6:5:3:2 ratio;

A preparation method for soil improvement type microbial fertilizer, is characterized in that, comprises following step:

(1) mixing starch, corn bran and cotton seed hulls, first adding water for ball milling in right amount becomes homogenate, then the water of glycerine, bicarbonate of ammonia, magnesium sulfate and 15 ~ 20 times of its weight parts is added, mix rear microbe inoculation microbial inoculum thoroughly, then control temperature is at 25 ~ 30 DEG C, shaking speed 120 ~ 150r/min condition bottom fermentation 50 ~ 55h;

(2) the centrifugal 20 ~ 25min of 800 ~ 1000r/min is carried out to the fermented liquid described in (1), obtain lower sediment and supernatant liquid;

(3) mixeding acid rare-earth, Herba Astragali Melilotoidis (Herba Astragali Sinici) stalk and other following remaining component do not related to, add water for ball milling 30 ~ 40min uniformly thickener in right amount, be dried into pulvis, join in the supernatant liquid described in (2), standing sedimentation 3 ~ 5h after stirring 20 ~ 30min, removes the gelatinous precipitate that the blue or green liquid in top layer must flocculate;

(4) mixing borax, saltpetre, calcium superphosphate join in the gelatinous precipitate described in (3), stir into pasty state, make particulate state finally by spray granulating method.

Microbial fertilizer microorganism used therefor is need to carry out certain bacterial classification optimization starting to join fertilizer, object is to improve the adaptability of bacterial classification at new environment, then enlarged culturing, make the quantity of microorganism in certain degree, then the processing being applied to fertilizer is being carried out, but often more problems, be exactly usually application bacterial classification is carried out directly mix with organic matter after enlarged culturing now, then add water stirring and evenly mixing, by adding granulation after a certain amount of inorganic chemistry element, so often cause, microbial bacteria mixing is uneven, bacterium colony agglomerating in a large number scatters, effect is very bad, optimized effect can not be played, and bacterial classification is also far apart at the organic growing environment in enlarged culturing and later stage, be not easy to microbial growth, simultaneously because the later stage does not add the composition of suitable cross-linking agents, the organic matter of pulvis is easily loose, soil just first efflorescence may do not entered, adding of chemical cross-linking agent, very likely affect again the activity of bacterial classification, cause variation, more or less also harm is existed to soil simultaneously.

The present invention is according to above-mentioned produced problem, utilize microbial flocculant principle, first enlarged culturing process is carried out to microorganism, then the microbial flocculation material of generation is utilized, the organic matter added after crosslinked is combined into granule, its advantage is, first carry out of short duration fermentation, control suitable yeasting, produce glycoprotein, lipid, Mierocrystalline cellulose etc., form natural flocculation agent, without chemical composition, the effect of an enlarged culturing is played in the of short duration fermentation in early stage simultaneously, then the organic matter being ground into pulvis is joined in the solution containing microbial flocculant, free setting is adsorbed, finally crosslinked granulation, the perfect problem solving microbial profile inequality, effectively in conjunction with diauxic growth environment, excellent microorganism growth condition is provided, improve microorganism active.

Microbial flocculant is solid suspended particle, the somatic cells of not free settling in the made liquid that produced by microorganism of a class and colloidal particle is assembled, the polymer substance of precipitation.Comprise glycoprotein, saccharan, protein, Mierocrystalline cellulose, lipid, glycolipid and nucleic acid.Experiment proves: be substantially organic with the organic matter that sugar degree is high, adjustment pH5.5 ~ 6, and inoculum size is 10%, temperature 25 ~ 30 DEG C, under shaking speed 150r/min condition, fermentation 48h, add 2 ~ 5ml/100ml glycerine as additional carbon, 0.05 ~ 0.1g/ml ammonium sulfate is nitrogenous source, adds Ca simultaneously ²⁺or Mg ²⁺flocculating effect can be improved.

Beneficial effect of the present invention: long-term planting does not plant the scarcity that crop can cause single-element in soil, and soil easily hardens, content that is organic and microorganism is low, the present invention utilizes microbial fermentation technology to prepare a kind of fertilizer with soil improvement character, be conducive to improving soil property, balance the balance of each element, there is certain preserve moisture and fertility effect, greatly reduce follow-up management and Fertilizer application amount, self be rich in soil beneficial microorganism, have soil with organic matter and better decompose utilization effect.

Embodiment

Embodiment 1:

A kind of soil improvement type microbial fertilizer, it is characterized in that, be made up of the raw material of following weight part (Kg): starch 14, corn bran 30, cotton seed hulls 10, microbiobacterial agent 5, glycerine 3, bicarbonate of ammonia 5, magnesium sulfate 5, the peat composed of rotten mosses 20, peat soil 6, rare earth nitrate 16, Herba Astragali Melilotoidis (Herba Astragali Sinici) stalk 80, oyster shell whiting 16, borax 8, saltpetre 12, calcium superphosphate 17 and appropriate water;

Described microbiobacterial agent is bacillus amyloliquefaciens, thiobacillus thiooxidans, vinelandii, yeast mix in 6:5:3:2 ratio;

A preparation method for soil improvement type microbial fertilizer, is characterized in that, comprises following step:

(1) mixing starch, corn bran and cotton seed hulls, first adding water for ball milling in right amount becomes homogenate, then the water of glycerine, bicarbonate of ammonia, magnesium sulfate and 15 ~ 20 times of its weight parts is added, mix rear microbe inoculation microbial inoculum thoroughly, then control temperature is at 25 ~ 30 DEG C, shaking speed 120 ~ 150r/min condition bottom fermentation 50 ~ 55h;

(2) the centrifugal 20 ~ 25min of 800 ~ 1000r/min is carried out to the fermented liquid described in (1), obtain lower sediment and supernatant liquid;

(3) mixeding acid rare-earth, Herba Astragali Melilotoidis (Herba Astragali Sinici) stalk and other following remaining component do not related to, add water for ball milling 30 ~ 40min uniformly thickener in right amount, be dried into pulvis, join in the supernatant liquid described in (2), standing sedimentation 3 ~ 5h after stirring 20 ~ 30min, removes the gelatinous precipitate that the blue or green liquid in top layer must flocculate;

(4) mixing borax, saltpetre, calcium superphosphate join in the gelatinous precipitate described in (3), stir into pasty state, make particulate state finally by spray granulating method.

Adopt a kind of soil improvement type microbial fertilizer of the present invention for the experiment in cultivation of farm crop, result proves that this fertilizer can improve the soil beneficial microorganism content of farm crop greatly, improve local soil soil property, reduce the usage quantity of mineral manure, the crop health environment-friendly more of plantation.

Claims (2)

1. a soil improvement type microbial fertilizer, it is characterized in that, be made up of the raw material of following weight part: starch 10 ~ 15, corn bran 20 ~ 30, cotton seed hulls 10 ~ 15, microbiobacterial agent 3 ~ 5, glycerine 2 ~ 3, bicarbonate of ammonia 3 ~ 5, magnesium sulfate 4 ~ 7, the peat composed of rotten mosses 15 ~ 20, peat soil 5 ~ 10, rare earth nitrate 15 ~ 20, Herba Astragali Melilotoidis (Herba Astragali Sinici) stalk 65 ~ 80, oyster shell whiting 10 ~ 16, borax 5 ~ 9, saltpetre 10 ~ 15, calcium superphosphate 15 ~ 20 and appropriate water;

Described microbiobacterial agent is bacillus amyloliquefaciens, thiobacillus thiooxidans, vinelandii, yeast mix in 6:5:3:2 ratio.

2. the preparation method of a kind of soil improvement type microbial fertilizer according to claim 1, is characterized in that, comprise following step:

(1) mixing starch, corn bran and cotton seed hulls, first adding water for ball milling in right amount becomes homogenate, then the water of glycerine, bicarbonate of ammonia, magnesium sulfate and 15 ~ 20 times of its weight parts is added, mix rear microbe inoculation microbial inoculum thoroughly, then control temperature is at 25 ~ 30 DEG C, shaking speed 120 ~ 150r/min condition bottom fermentation 50 ~ 55h;

(2) the centrifugal 20 ~ 25min of 800 ~ 1000r/min is carried out to the fermented liquid described in (1), obtain lower sediment and supernatant liquid;

(3) mixeding acid rare-earth, Herba Astragali Melilotoidis (Herba Astragali Sinici) stalk and other following remaining component do not related to, add water for ball milling 30 ~ 40min uniformly thickener in right amount, be dried into pulvis, join in the supernatant liquid described in (2), standing sedimentation 3 ~ 5h after stirring 20 ~ 30min, removes the gelatinous precipitate that the blue or green liquid in top layer must flocculate;

(4) mixing borax, saltpetre, calcium superphosphate join in the gelatinous precipitate described in (3), stir into pasty state, make particulate state finally by spray granulating method.