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Method for returning all sorghum straw to field during harvesting

A technology of sorghum stalks and sorghum, which is applied in the field of returning full amount of sorghum to the field, can solve the problems of excessive soil water loss, burnt seedlings and lack of seedlings, burnt seedlings, lack of seedlings, and stiff seedlings, etc., to achieve increased soil fertility, good economic and ecological benefits, and improved soil effect

Active Publication Date: 2016-01-20
牡丹江佰佳信生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Directly returning to the field will also lead to aggravation of crop diseases and insect pests and excessive temperature when the straw is decomposed, resulting in excessive soil water loss, burnt seedlings, lack of seedlings, stiff seedlings, and other adverse phenomena
If it is applied to the soil after the pile is fully decomposed, it will take a lot of time and labor, delay the harvesting and planting season, and reduce the economic benefits of straw returning to the field
[0004] Therefore, the existing technology of returning sorghum straw to the field has many defects, such as labor-consuming and time-consuming, slow maturity, prone to burnt seedlings, lack of seedlings and stiff seedlings, and easy to aggravate the diseases and insect pests of the next crops, which need to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) Using sorghum stalks plus 8.5 times of water extract, the bacteria collected from green sorghum stalk materials buried in fertile soil at a depth of 11 cm for 5 days were optimally cultured for 23 hours, and streaked inoculated in On the sorghum straw extract agar plate, cultured at 29 degrees Celsius for 47 hours, obtained dozens of single colonies, picked a single colony and inoculated it on the LB slant medium, obtained a series of pure culture, after several rounds of laboratory After repeated screening and field experiments, the bacterial strain with the strongest decomposing activity on sorghum stalks was finally selected, named Sorghum-7 strain;

[0021] (2) Use 5-10 times the extract of sorghum stalks to make sterile agar plates, and inoculate them with sorghum-7 bacteria, Bacillus lateralis, Bacillus megaterium and Bacillus jelly-like, and culture them at 31 degrees Celsius for 48 After 1 hour, the colony with the largest diameter among the colonies grown o...

Embodiment 2

[0028] (1) Using sorghum stalks plus 5.8 times of water extract, the bacteria collected from green sorghum stalk materials buried in fertile soil at a depth of 14 cm for 5 days were optimally cultured for 13 hours, and streaked and inoculated in On the sorghum straw extract agar plate, cultured at 35 degrees Celsius for 27 hours, obtained dozens of single colonies, picked a single colony and inoculated it on the LB slant medium, obtained a series of pure culture, after several rounds of laboratory After repeated screening and field experiments, the bacterial strain with the strongest decomposing activity on sorghum stalks was finally selected, named Sorghum-7 strain;

[0029] (2) Use 8.8 times the extract of sorghum stalks to make sterile agar plates, and inoculate them with sorghum-7 bacteria, Bacillus lateralis, Bacillus megaterium and Bacillus jelly-like, and culture them at 32 degrees Celsius for 48 hours. , Pick the colony with the largest diameter among the colonies grown ...

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Abstract

The invention discloses a method for returning all sorghum straw to a field during harvesting. The method comprises the steps that 1, sorghum straw leaching liquor is adopted as a culture medium to screen out No.7 exclusive bacterial strain sorghum with high composing activity on the sorghum straw; 2, high-density co-culture is carried out on bacteria, bacillus laterosporus, huge bacillus and jelly sample bacillus of the No.7 sorghum through the sorghum straw leaching liquor to obtain special and effective microbiota liquid strains capable of fast growing on the sorghum straw; 3, the sorghum straw is smashed, microwave treatment is carried out, the sorghum straw is mixed into nitrogenous fertilizer, 1%-5% of the special and effective microbiota liquid strains are inoculated in a spraying mode, and after even stirring, the sorghum straw is buried 10 cm to 15 cm below a soil layer in combination with plowing. After the sorghum straw is returned to the field, crops of the next batch can be immediately sown, the yield of the crops of the next batch is increased by 30%-40% than that of crops without returning or topdressing, and good economic benefits and ecological benefits are achieved.

Description

technical field [0001] The invention relates to a method for returning full amount of sorghum stalks to the field after harvesting, specifically refers to using machinery and microwaves to first physically treat the sorghum stalks, then inoculate special effective microbial groups, and then return the whole amount to the field and sow on the spot combined with plowing Next stubble crop, the method that the next stubble crop can increase yield by 30%-40% compared with the control. Background technique [0002] my country's agriculture produces about 100 million tons of sorghum straw every year, less than 10% is used as feed, and most of the remaining 90 million tons are burned. Straw returning to the field is a method of applying straw that is not suitable for direct feed, such as sorghum straw, directly or piled up and decomposed into the soil. Straw returning to the field can improve soil properties, accelerate soil maturation, and increase soil fertility. Straw returning...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/02C05F11/08C12N1/20C12R1/11C12R1/07C05G3/60
Inventor 田宏现彭司英
Owner 牡丹江佰佳信生物科技有限公司
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