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Method for improving saline-alkali land by producing solid-liquid bio-organic fertilizer from slaughtering and breeding waste sewage and biogas residue from diseased and dead livestock and poultry

A bio-organic fertilizer and aquaculture waste technology is applied in the field of improving saline-alkali land with solid-liquid bio-organic fertilizer, which can solve the problems of excessive water consumption and prone to alkali return, and achieve the effect of improving the structure of aggregates.

Active Publication Date: 2022-01-28
牟钰德 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that saline-alkali land is not suitable for plant growth and the existing treatment methods use more water and are prone to alkali return, the present invention provides a method for comprehensively improving saline-alkali land by using solid and liquid bio-organic fertilizers produced from slaughter waste wastewater. The technical scheme adopted is as follows:

Method used

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  • Method for improving saline-alkali land by producing solid-liquid bio-organic fertilizer from slaughtering and breeding waste sewage and biogas residue from diseased and dead livestock and poultry
  • Method for improving saline-alkali land by producing solid-liquid bio-organic fertilizer from slaughtering and breeding waste sewage and biogas residue from diseased and dead livestock and poultry
  • Method for improving saline-alkali land by producing solid-liquid bio-organic fertilizer from slaughtering and breeding waste sewage and biogas residue from diseased and dead livestock and poultry

Examples

Experimental program
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Effect test

Embodiment 1

[0038] This example provides a method for improving saline-alkali land by using solid-liquid bio-organic fertilizer produced from slaughtering and breeding waste sewage and biogas residue from diseased and dead livestock and poultry. Bio-organic fertilizer is used as fertilizer and carried out in accordance with the following steps:

[0039] (1) Establish a grid management module: divide the saline-alkali land to be improved into grids, each grid size is 400m wide, and the length of each grid size can be extended until the terrain changes and it is not suitable for further extension. The 3-meter-wide working road is set up with drainage ditches according to the terrain. For the plots with an area of ​​more than 10,000 mu of saline-alkali land to be improved, a reservoir is set at the lowest depression of the saline-alkali land to be improved for drainage.

[0040] (2) Straw returning to the field: After harvesting in autumn, before applying base fertilizer and improving soil f...

Embodiment 2

[0045] This embodiment provides a method for improving saline-alkali land by using solid-liquid bio-organic fertilizer produced from slaughtering and breeding waste sewage and biogas residue from sick and dead livestock and poultry. The difference between this method and Example 1 is: step (3) Apply 5m per mu of moderate saline-alkali land to be improved 3 ~10m 3 solid bio-organic fertilizer and the covering thickness is not less than 0.7 cm, and the liquid bio-organic fertilizer of 15kg to 80kg is applied to the surface of the moderate saline-alkali land to be improved per mu; The amount of fertilization per acre of mild saline-alkali land to be improved in step (4) of Example 1.

Embodiment 3

[0047] This example provides a method for improving saline-alkali land using solid-liquid bio-organic fertilizer produced from slaughtering and breeding waste sewage and biogas residue from sick and dead livestock and poultry. The difference between this method and Example 1 is: Apply 7m in severe saline-alkali land 3 ~20m 3 The solid bio-organic fertilizer and the covering thickness are not less than 1 centimeter, and the liquid bio-organic fertilizer of 20kg~100kg is applied to the ground surface of each mu of severe saline-alkali land to be improved; in step (4), the fertilization amount of each mu of severe saline-alkali land to be improved is the same as that of Example 1 In step (4), the amount of fertilizer applied per acre of mild saline-alkali land to be improved.

[0048] For illustrating the control effect of the inventive method, carried out following experiment:

[0049] Experiment 1. Corn planting experiment in severe saline-alkali land

[0050] 1. Experimenta...

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Abstract

The invention discloses a method for improving saline-alkali land with solid-liquid bio-organic fertilizer produced from slaughter and breeding waste sewage and biogas residue from diseased and dead livestock and poultry, and belongs to the technical field of saline-alkali land improvement. This method is to establish a grid management module. After the earth atmosphere drops in autumn and the straw is returned to the field, apply solid organic fertilizer and liquid bio-organic fertilizer to the mild saline-alkali land, moderate saline-alkali land or severe saline-alkali land to be improved. After the earth atmosphere rises in spring, Sow seeds and apply liquid bio-organic fertilizer. After emergence, top-dress liquid bio-organic fertilizer by spraying or watering or drip irrigation. Repeat the above steps for continuous uninterrupted cultivation for 3 to 5 years. The method of the invention can improve the saline-alkali land, does not need to irrigate and discharge salt, and can fundamentally solve the problems of saline-alkali land formation, barrenness, no water storage and almost no microorganisms.

Description

technical field [0001] The invention relates to a method for improving saline-alkali land with solid-liquid bio-organic fertilizer produced from slaughtering and breeding waste sewage and biogas residue from diseased and dead livestock and poultry, and belongs to the technical field of saline-alkali land improvement. Background technique [0002] There are about 99.13 million hectares of saline-alkali land in my country. Most of the formation of alkalized soil in China is related to the accumulation of soluble salts in the soil, which contains more water-soluble salts or alkaline substances. Most of the soil is compacted into lumps and has poor water permeability. It is mainly characterized by being sticky when wet, hard when dry, and poor air permeability. Due to the high salinity and high alkalinity, the content of humic acid and beneficial bacteria in the soil is extremely low; therefore serious In saline-alkali soil areas, plants can hardly survive. Saline-alkali land i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/02
CPCA01B79/02
Inventor 牟钰德符彦君鲍彬陈艺文赵伟洁
Owner 牟钰德
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