Microbial manure of containing rare earth elements

A technology of microbial fertilizers and rare earth elements, 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: 2012-01-25
池利祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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 have proved that the fertilizer efficiency of microbial fertilizers has not been fully exerted.

Method used

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  • Microbial manure of containing rare earth elements
  • Microbial manure of containing rare earth elements

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 ” Divided into two parts, one part was added with 100mL 1% ReCl 3 (light rare earth chloride), become "bacterial fertilizer stock solution- 1-RE ". These two liquid bacterial liquids (about 11L each) were used for the control test respectively. a. Comparison of the survival rate of the bacterial cells during the storage period." 1 " and " bacterial fertilizer stock solution- 1-RE "Store at room temperature for six months, sha...

Embodiment 2

[0020] Embodiment two: solid bacterial fertilizer.

[0021] Inoculate the slant strain specimen of Sinorhizobium meliloti 042BM (Sinorhizobium meliloti) on the YMA medium, keep it at 28°C for 36 hours, wash the strain with sterile water, and shake it well. Finally, 500 mL of high-concentration "bacterial fertilizer" was obtained from multiple expansion cultures. Stock solution-2", divided into two parts (250mL each), add 10mL 1% ReCl to one of them 3 , become "Bacterial Fertilizer Stock Solution-2-Re", for later use.

[0022] Separately take mud (grass) charcoal without inclusions, crush, grind, and pass through 80 meshes to obtain peat subdivision. Soak the fine powder in 20% chitosan polymer solution, take it out after 2 hours, separate entrained aqueous solution, dry and dehydrate, Grind and pass through 80 meshes to get another peat fine powder. Its porous structure or huge surface has evenly spread a layer of chitosan, which is called "active solid chitosan". Then it is ...

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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] There are some defects in the chemical fertilizer itself 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 for short, bacterial fertilizers cannot completely replace chemical fertilizers, they can greatly save chemical fertilizers and improve Soil structure. Microbial fertilizer refers to a kind of preparation containing living microorganisms, which can produce specific fertilizer effects. Currently, the use ...

Claims

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Application Information

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