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A method for reconstructing damaged soil in southern paddy fields

A soil and paddy field technology, which is applied in the field of reconstruction of damaged soil in southern paddy fields, can solve the problems to be strengthened, and achieve the effect of realizing rational utilization, ensuring production functions, and saving capital costs.

Active Publication Date: 2021-08-24
CHINA UNIV OF GEOSCIENCES (BEIJING)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although there are many studies on the structure and engineering properties of red sandstone, its application in practice needs to be strengthened

Method used

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  • A method for reconstructing damaged soil in southern paddy fields
  • A method for reconstructing damaged soil in southern paddy fields
  • A method for reconstructing damaged soil in southern paddy fields

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Embodiment 1

[0046] Location: a rice field in the Doumen District, Zhuhai City, Guangdong Province.

[0047] The number of rice fields in the Doumen District has been developed into a certain scale of agricultural farming, and there is a rice soil, red soil and Delta salted marsh. At present, the mechanical farming is constantly increasing. Most rice fields use mechanical harvesting, sowing, but mechanical farming has higher requirements for workplace, soil is easy to damage, resulting in a pit, damage in some rice fields, making machinery Operation and manual management have affected.

[0048] Pick two typical soil damage zones

[0049] A is destroyed by the excavation type soil, and B is destroyed in the sinking soil. Refactoring in both A and B soil damage areas.

[0050] Soil damage area

[0051] The red sandstone particle diameter collected from the neighboring area of ​​paddy fields is mainly concentrated in 1 to 40 cm. After screening, it is placed in different regions;

[0052] When st...

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Abstract

The invention provides a method for reconstructing damaged soil in rice fields in southern China, which belongs to the technical field of rice field cultivation in southern China. The method comprises the following steps: 1) stripping the soil at a depth of 0-100 cm in the damaged soil area of ​​rice fields, and separating the stripped soil It is upper layer soil, middle layer soil and lower layer soil; 2) (50~100] cm depth in the damaged area of ​​paddy field after stripping soil, fill with red sandstone with particle size 2~40cm, red sandstone with particle size less than 2cm and the stripped lower layer Soil to form a reconstructed bottom layer; 3) Red sandstone layer and stripped middle layer soil are successively laid on the upper surface of the reconstructed bottom layer from bottom to top to form a reconstructed middle layer; 4) Backfill the stripped upper layer on the reconstructed middle layer The soil forms the reconstructed upper layer and completes the reconstruction of the damaged soil of the paddy field. The method enables the paddy field to meet the basic requirements for mechanical and manual farming in a relatively short period of time, and ensures that the planting and production functions of the paddy field can be carried out normally.

Description

Technical field [0001] The invention belongs to the field of farming technology in the southern rice field, in particular, involving a refactoring method for damaged soil in southern rice fields. Background technique [0002] At present, with the modernization of agricultural production, the mechanization process accelerates, the shortcut and convenience of farming machines such as harvesters, rice transplanters, has gradually received close attention from agriculture, and has been widely used in rice planting and harvesting throughout the production process. . However, due to long-term mechanization operation, traditional unreasonable planting management system and some production and construction activities (coal mine mining, road broadening, travel excavation, pipeline and other infrastructure construction) (Liang Yeping, mine damage land suitable for evaluation and reclamation planning research [D] Shanxi Agricultural University, 2014.), causing the field soil settlement, col...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/00
CPCA01B79/00Y02A40/22
Inventor 赵华甫陈庭永吴克宁刘金鹏冯喆张琢黄勤
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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