Method for organic reconstruction of soil body when paddy field is reclaimed

Abstract

The invention discloses a method for organic reconstruction of a soil body when a paddy field is reclaimed, and is applied to the technical field of land reclamation engineering. The method comprisesthe following steps of: S10, stripping topsoil of the paddy field which is to be reconstructed; S20, smoothing the stripped field, and constructing a plow pan; S30, taking surrounding topsoil which isrich in clay particles as soil dressing, mixing original soil, which is obtained after stripping in the step S10, with the soil dressing, and using a uniform earthing mode to form a plowing layer; and S40, adopting a soil conditioner to improve the fertility of the plowing layer, and performing soil pulverizing, irrigation and pulping to form a soil layer suitable for the growth of rice. According to the method, the internal structure of the soil can be improved within a short period of time, the environmental quality of the soil can be improved quickly and efficiently, the ecological systemof the soil can be restored, and the feasibility of transforming a field into the paddy field is increased; finally, the composition of the soil body can reach an appropriate proportion, so that effects of moisture and fertilizer retention of the soil are enhanced, and the productivity of a new reclaimed field is increased.

Description

technical field [0001] The invention is used in the technical field of land consolidation engineering, and in particular relates to a soil organic reconstruction method when paddy fields are reclaimed. Background technique [0002] Cultivated land is the essence of agricultural land and a precious resource. my country has more people and less land, and the pressure on resources and environment is increasing day by day. The results of the second national land survey show that, after deducting cultivated land that is difficult to use stably, heavily polluted and subsidence, only 1.8 billion mu can be used stably for a long time. It is imperative to implement the most stringent system of cultivated land protection. It can be seen that there is no doubt about the urgency and importance of cultivated land protection under the new situation. [0003] In order to implement and improve the balance system of cultivated land occupation and compensation, realize the occupation of one ...

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Problems solved by technology

[0004] In order to solve the technical problems of water leakage and fertilizer leakage in the process of transforming unused paddy fields, the soil cannot meet the needs of rice growth, and the present invention provides a soil organic reconstruction method when reclaiming paddy fields, so as to improve the internal structure of the soil in a relatively short period of time. Quickly and efficiently improve the quality of the soil environment, restore the soil ecosystem, increase the feasibility of land transformation into paddy fields, and finally make the soil composition reach an appropriate ratio, improve the effect of water and fertilizer retention in the soil, and increase the productivity of newly created land

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