Method for improving crop rhizosphere fungus community structure

A technology of community structure and fungi, applied in fertilization methods, fertilization devices, applications, etc., can solve problems such as plant organ damage, crop yield reduction, quality decline, etc., and achieve the effects of simple and easy to understand preparation methods, promoting growth, and improving soil fertility

Pending Publication Date: 2018-05-18
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Of course, there are also some soil-borne pathogenic fungi in the soil, which can invade plants and cause harm to plant organs, such as fusarium wilt, root rot, etc., and eventually cause crop yield reduction or quality degradation

Method used

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  • Method for improving crop rhizosphere fungus community structure
  • Method for improving crop rhizosphere fungus community structure
  • Method for improving crop rhizosphere fungus community structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Yellow mud field soil was used as the test soil, air-dried and ground through a 2mm aperture sieve.

[0029] 4kg of yellow mud field and 120g of pig manure biochar or straw biochar are fully and evenly mixed, and then put into a pot, the thickness of the soil in the pot is 15cm, and the addition amount is 3% (mass ratio).

[0030] All treatments are uniformly applied with fertilizers, and the amount of fertilizers is as follows: urea: 0.65g / kg; potassium dihydrogen phosphate: 0.44g / kg; potassium chloride: 0.34g / kg. Each treatment was repeated 3 times, and placed in a completely random arrangement and combination.

[0031] Adjust the soil to be in a flooded state, and transplant 15 rice seedlings into the pots in each pot, and leave 5 plants in each pot after two true leaves grow. According to the different growth periods of rice, adjust the appropriate soil moisture content. Placed in a greenhouse with light.

[0032] After harvesting, the biomass and root length of ...

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Abstract

The invention discloses a method for improving a crop rhizosphere fungus community structure. The method comprises the following steps: adding charcoal into a plough layer with the depth of 10-20cm tobe uniformly mixed according to a ratio that 0.7-4 tonnages of charcoal is applied per mu before planting, wherein the particle size of the charcoal is less than or equal to 2mm. According to the method disclosed by the invention, the fungus community structure of crop rhizosphere soil can be obviously changed, and the diversity index is improved. According to the method disclosed by the invention, the manure raw materials are prepared into the charcoal, the charcoal is used for improving the crop rhizosphere fungus community structure, the physicochemical indexes of the rhizosphere soil arespecifically improved, the fungus community structure is improved, and the crop yield is improved.

Description

technical field [0001] The invention relates to the field of crop yield increase, in particular to a method for improving crop rhizosphere fungal community structure by using manure biochar. Background technique [0002] The crop rhizosphere soil refers to the micro-domain soil directly affected by the crop root system, and is one of the most active parts of plant energy and material metabolism. Affected by crop physiological activities, the physical and chemical properties of rhizosphere soil (such as pH, organic carbon, redox potential, etc.) are significantly different from those of non-rhizosphere soil. Rhizosphere soil is also an important place for the interaction between crop roots and soil microorganisms. The number of microorganisms in rhizosphere soil is larger than that in non-rhizosphere soil, and the types, structures and functions of microorganisms are different. Rhizosphere soil microorganisms are one of the most active components in soil, not only participat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C21/00
Inventor 戴中民徐建明何艳刘杏梅
Owner ZHEJIANG UNIV
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