Method for promoting peanut root nodule to fix nitrogen

A peanut and nitrogen fixation technology, which is applied in fertilization methods, seed coating/seed dressing, material inspection products, etc., can solve the problems that it is difficult to give full play to the biological nitrogen fixation effect of peanut root nodules, difficult for rhizobia to survive, and high lethality of rhizobia. , to achieve the effects of ensuring growth, reproduction and nodulation, improving stress resistance, and improving nitrogen fixation capacity

Inactive Publication Date: 2019-05-21
GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
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Problems solved by technology

[0003] In summary, the problems in the prior art are: due to the excessive application of nitrogen fertilizer, serious acidification, and poor soil, especially the acidic soil has a grea

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  • Method for promoting peanut root nodule to fix nitrogen

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Embodiment Construction

[0033] In order to further understand the content, features and effects of the present invention, the following examples are given, and detailed descriptions are given below with reference to the accompanying drawings.

[0034] The structure of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0035] Such as figure 1 As shown, the steps of the method for promoting nitrogen fixation of peanut root nodules provided by the embodiments of the present invention include:

[0036] S101: Screen peanut varieties, and select peanut varieties with high nitrogen fixation efficiency;

[0037] S102: Monitor the cultivation soil environment through soil sampling and testing, and determine soil fertility, pH, microbial composition, etc.;

[0038] S103: Select rhizobium strains with high nitrogen-fixing capacity suitable for the local environment, and make reasonable compounding with beneficial strains such as phosphorus and potassium-di...

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Abstract

The invention belongs to the technical field of root nodule nitrogen fixation and discloses a method for promoting peanut root nodule to fix nitrogen, which comprises the following steps of: screeningpeanut varieties, selecting peanut varieties which are planted locally and have early nodule formation and large root nodule formation, monitoring the physicochemical properties of cultivation soil,determining the fertility level, pH value, microorganism composition and the like of the soil; applying 15 kg of ammonium sulfate, 20 kg of nitrogen-phosphorus-potassium compound fertilizer (N-P2O5-K2O=15-15-15) and 50 kg of calcium-magnesium phosphate fertilizer in every 666.67 square meters of sowing furrows, and the furrows are covered with soil so that the depth of the furrows is 3-5 cm; mixing a nitragin used for local place with water to obtain paste, mixing and stirring the paste with peanut seeds and seeding, in addition, reasonably compounding peanut root nodule nitrogen fixation strains with beneficial strains such as phosphorus and potassium soluble microorganism bacillus megaterium, so that the absorption of nutrients by peanuts and the growth of root systems are promoted, andthe root nodule nitrogen fixation effect is improved. The method has comprehensive planning, can give full play to the function of root nodule nitrogen fixation, reduces the influence of soil factorson the root nodule nitrogen fixation, and can greatly reduce the use amount of fertilizer.

Description

technical field [0001] The invention belongs to the technical field of nitrogen fixation in root nodules, in particular to a method for promoting nitrogen fixation in peanut root nodules. Background technique [0002] Peanut Rhizobium is a tiny rod-shaped bacteria, 0.3 to 0.5 microns wide and 0.6 to 2.5 microns long, whose single cells can only be seen with the aid of a microscope. They usually live in the soil in a saprophytic way. When the peanut root system germinates and grows, the peanut rhizobia can enter the cortex cells of the root system through the cracks in the root system to colonize, stimulate the development of the root cortex cells, and gradually expand on the main root and lateral roots. Formation of nodules visible to the naked eye. Rhizobium bacteria settle in the root nodules and reproduce many offspring. After a certain period of time, they transform into many spherical fungioids, and convert the nitrogen in the air into nitrogen fertilizer that plants c...

Claims

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Application Information

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IPC IPC(8): A01G22/40A01C1/06A01C21/00G01N33/24
CPCY02P60/21
Inventor 唐荣华钟瑞春韩柱强贺梁琼唐秀梅黄志鹏吴海宁刘菁蒋菁熊发前
Owner GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
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