Microbial manure of containing rare earth elements

A microbial fertilizer and rare earth element technology, applied in organic fertilizers, fertilizer mixtures, fertilization devices, etc., can solve the problems of insufficient microbial fertilizer fertilizer efficiency and slow onset of microbial fertilizers, so as to improve survival rate and fertilizer efficiency and shorten the adaptation period , the effect of improving the survival rate

Inactive Publication Date: 2007-05-09
池利祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the existing commercial microbial fertilizers are composed of main strains, carriers, protective agents, neutralizers, and fungicides. Practice has proved that it generally takes a long adaptation period (more than ten days) before entering the growth period after fertilization. That is, the existing microbial fertilizers are slow to take effect
In addition, comparative experiments prove that the fertilizer efficiency of microbial fertilizers is not fully exerted

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment one: liquid bacterial fertilizer

[0012] Use "Askby's (Askby) culture solution (PH=7)" to obtain 20L high concentration (viable bacteria number reaches 9.6*10 8 each / mL) active bacterial liquid; add sterilized molasses 1Kg, bran (finely ground) 500g, food grade chitosan 4Kg, "phosphate-sodium dihydrogen phosphate" acid-base buffer solution (abbreviated as phosphate buffer) 2L , stirred for 2 hours in a sterile state, and then mixed with the above-mentioned 20L active bacterial liquid to become "bacterial fertilizer stock solution- 1 ". Divide into two parts, add 100mL 1% ReCl to one part 3 (light rare earth chloride), become "bacterial fertilizer stock solution- 1-RE ". These two liquid bacterial liquids (about 11 L each) were used for the control test respectively.

[0013] a. Comparison of bacterial cell survival rate during storage period. "Bacterial fertilizer stock solution- 1 " and " bacterial fertilizer stock solution- 1-RE "Store at room temper...

Embodiment 2

[0021] Embodiment two: solid bacterial fertilizer.

[0022] Inoculate the slant strain specimen of Sinorhizobium meliloti 042BM (Sinorhizobium meliloti) on YMA medium, keep at 28°C for 36h, wash the strain with sterile water, and shake well. 500mL of high-concentration "Bacterial Fertilizer Stock Solution-2" was finally obtained from multiple expansion cultures, which were divided into two parts (250mL each), and 10mL of 1% ReCl was added to one of them 3 , become "Bacterial Fertilizer Stock Solution-2-Re", and set aside.

[0023] Separately take peat (grass) charcoal without inclusions, crush, grind, and pass through 80 meshes to obtain peat subdivision. Soak the fine powder into 20% chitosan polymer solution, take it out after 2 hours, separate the entrained aqueous solution, dry and dehydrate, grind, and pass through 80 meshes to obtain another peat fine powder, whose porous structure or huge surface has been evenly spread A layer of chitosan, called "active solid chitosa...

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PUM

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Abstract

This invention discloses a microbial fertilizer containing rare earth elements. The microbial fertilizer is composed of active major strains, chitosan-type carrier, modified protective agent, neutralizer and rare earth element promoter. The major strains include Azotobacter, P/K-leaching bacteria (or silicate bacteria), and cellulose decomposing fungi. The chitosan-type carrier is suitable for both liquid and solid/freeze-dried microbial fertilizers, and can increase the survival rate of the major strains. The rare earth element promoter is chloride or nitrate of rare earth elements, and can increase the survival rate and fertilizing effect. Chitosan can rapidly degrade in natural soil conditions, thus bringing no pollution to soil.

Description

technical field [0001] The present invention relates to a microbial fertilizer that uses microorganisms to produce fertilizer from the soil environment, in particular to a microbial fertilizer that uses nitrogen-fixing bacteria, potassium-dissolving bacteria, phosphorus-dissolving (dissolving) bacteria, and cellulolytic bacteria to produce fertilizer effects from the soil environment . Background technique [0002] The chemical fertilizer itself has certain defects and the unreasonable use of chemical fertilizers has polluted the environment and wasted chemical fertilizers, so "green fertilizers" - microbial fertilizers - came into being. Although microbial fertilizers are referred to as bacterial fertilizers, although they cannot completely replace chemical fertilizers, they can greatly save chemical fertilizers and improve soil structure. Microbial fertilizers refer to a class of preparations containing live microorganisms that produce specific fertilizing effects. At pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00C05F11/08C05D9/00
Inventor 池利祥
Owner 池利祥
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