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Microbial compound fertilizer for promoting nitrogen fixation of plant root nodules and preparation method thereof

A technology of microorganisms and compound fertilizers is applied in the preparation of urea compound fertilizers, organic fertilizers, fertilizers made from biological wastes, etc. Symbiotic nitrogen fixation effect, the effect of promoting nutrient absorption and root growth, and improving nitrogen fixation effect

Inactive Publication Date: 2020-11-13
SHANDONG SUNWAY LANDSCAPE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the current poor soil and excessive application of nitrogen fertilizer, biological nitrogen fixation is blocked, especially the acidic soil is extremely lethal to rhizobia, making it difficult for rhizobia to survive, which leads to the inability of rhizobia to reproduce and nodulation in the next step, affecting crop yield

Method used

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  • Microbial compound fertilizer for promoting nitrogen fixation of plant root nodules and preparation method thereof
  • Microbial compound fertilizer for promoting nitrogen fixation of plant root nodules and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A microbial compound fertilizer that promotes nitrogen fixation in plant root nodules is composed of the following proportions by weight:

[0018] Organic fertilizer: 180kg of straw, 90kg of humic acid, 68kg of fungus residue, 40kg of oyster mushroom residue, 132kg of chicken manure, and 90kg of biogas slurry;

[0019] Inorganic fertilizer: potassium dihydrogen phosphate 201.6kg, urea 36.4kg, sugar alcohol chelated calcium 32.2kg, ammonium molybdate 4.2kg, borax 2.8kg, ferrous sulfate 2.8kg;

[0020] Compound bacterial agent: 18kg of Rhizobium, 10kg of Azotobacter rotundum, 4kg of Bacillus megaterium, 4kg of Bacillus lateralis, 4kg of photosynthetic bacteria;

[0021] Rare earth compound: rare earth oxide 20kg;

[0022] 60kg of starter.

[0023] A preparation method of microbial compound fertilizer for promoting plant root nodule nitrogen fixation, prepared according to the following steps:

[0024] (1) Crushing straw, fungus dregs, oyster mushroom dregs, and chicken...

Embodiment 2

[0028] A microbial compound fertilizer that promotes nitrogen fixation in plant root nodules is composed of the following proportions by weight:

[0029] Organic fertilizer: straw 165kg, humic acid 110kg, mushroom residue 82.5kg, chicken manure 137.5kg, biogas slurry 55kg;

[0030] Inorganic fertilizer: potassium dihydrogen phosphate 210kg, urea 49.5kg, sugar alcohol chelated calcium 30kg, ammonium molybdate 3kg, borax 3kg, ferrous sulfate 4.5kg;

[0031] Compound bacterial agent: 20kg of Rhizobium, 12.5kg of Azotobacter rotundum, 6kg of Bacillus megaterium, 5kg of Bacillus lateralis, 6.5kg of photosynthetic bacteria;

[0032] Rare earth compounds: 20kg of rare earth oxides, 10kg of rare earth sulfates, 20kg of rare earth carbonates;

[0033] 50kg of starter.

[0034] A preparation method of microbial compound fertilizer for promoting plant root nodule nitrogen fixation, prepared according to the following steps:

[0035] (1) Crushing straw, shiitake slag, and chicken manur...

Embodiment 3

[0039] A microbial compound fertilizer that promotes nitrogen fixation in plant root nodules is composed of the following proportions by weight:

[0040] Organic fertilizer: 227.5kg of straw, 84.5kg of humic acid, 37kg of fungus residue, 80kg of mushroom residue, 136.5kg of chicken manure, and 84.5kg of biogas slurry;

[0041] Inorganic fertilizer: potassium dihydrogen phosphate 154kg, urea 20kg, sugar alcohol chelated calcium 20kg, ammonium molybdate 2kg, borax 2kg, ferrous sulfate 2kg;

[0042] Compound bacterial agent: Rhizobium 21kg, Azotobacter rotundum 10kg, Bacillus megaterium 7.5kg, Bacillus lateralis 5kg, photosynthetic bacteria 6.5kg;

[0043] Rare earth compounds: 20kg of rare earth oxides, 20kg of rare earth hydroxides, 10kg of rare earth carbonates;

[0044] 50kg of starter.

[0045] A preparation method of microbial compound fertilizer for promoting plant root nodule nitrogen fixation, prepared according to the following steps:

[0046] (1) Crushing straw, fun...

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Abstract

The invention discloses a microbial compound fertilizer for promoting nitrogen fixation of plant root nodules. The microbial compound fertilizer is prepared from, by weight, 50-70 parts of organic fertilizer, 20-30 parts of inorganic fertilizer, 5-10 parts of leavening agent, 3-5 parts of complex microbial inoculant and 2-5 parts of rare earth compound, wherein the organic fertilizer comprises straw, humic acid, mushroom dregs, chicken manure and biogas slurry; the inorganic fertilizer comprises monopotassium phosphate, urea, sugar alcohol chelated calcium, ammonium molybdate, borax and ferrous sulfate; the complex microbial inoculant comprises rhizobium, azotobacter chroococcum, bacillus megatherium, bacillus laterosporus and photosynthetic bacteria. According to the microbial compound fertilizer, the organic fertilizer, the inorganic fertilizer and the complex microbial inoculant are compounded; the number of plant root nodules can be increased, the symbiotic nitrogen fixation effectof root nodule nitrogen-fixing bacteria and plants is promoted, the nitrogen fixation effect of the plants is obviously improved, the nitrogen fixation capacity of the plants can be further enhancedthrough compounding of the rhizobium, azotobacter chroococcum and beneficial bacteria, nutrient absorption and root growth are promoted, and the disease resistance and stress resistance are improved.

Description

technical field [0001] The invention belongs to the technical field of agricultural fertilizers, and in particular relates to a microbial compound fertilizer for promoting nitrogen fixation in plant root nodules and a preparation method thereof. Background technique [0002] Although there are about 80% nitrogen in the air, general plants cannot directly use it. Peanuts, soybeans, alfalfa and other leguminous plants can convert molecular nitrogen in the air into plants that can use it through symbiotic nitrogen fixation with rhizobia. Utilizing ammonia nitrogen, after the seeds germinate and take root, rhizobia invade the roots from the root hairs, and under certain conditions, form root nodules with nitrogen-fixing ability. Under the action of nitrogenase, the bacteroids in the root nodules convert molecular nitrogen into At the same time, each root nodule is a miniature nitrogen fertilizer factory, which continuously transports nitrogen to plants for use. The number of in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F17/00C05G3/00C05G3/80
CPCC05B7/00C05F17/00C05G3/00C05G3/80C05C3/00C05C9/00C05D3/00C05D9/02C05F3/00C05F5/00C05F9/04C05F11/00C05F11/02C05F11/08Y02W30/40
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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