Rice and crayfish co-culture ecological organic planting and breeding method

Abstract

The invention discloses a rice and crayfish co-culture ecological organic planting and breeding method. The method comprises the following steps: step 1, digging a plurality of annular ditches arounda rice field to form annular dartboard type annular ditches, digging communicating ditches among the annular ditches, and arranging crayfish separation nets in the communicating ditches for breeding crayfish seeds, temporarily breeding parent crayfishes or crayfish seeds, such as digging the annular ditches, wherein cement culvert pipes need to be pre-buried in surrounding annular ditches for agricultural machinery to go in and out, the widths of the ditches are generally 1.5-2.0 m, the depths of the ditches are 0.5-0.8 m, the slope ratio of the ditches is 1: 2.5, and a small ridge with the height of 0.3 m is built on the side of the rice field through dug soil. The annular dartboard type annular ditches are formed by excavating the annular ditches, and crayfish varieties of different varieties can be bred in the annular ditches or crayfish varieties of different breeding time periods can be distinguished by utilizing the annular ditches and arranging the crayfish separation nets in the communicating ditches.

Description

technical field [0001] The invention relates to the technical field of rice and shrimp co-cropping, in particular to an ecological organic planting method for rice and shrimp co-cropping. Background technique [0002] In crop production, rice is the most constrained crop by water and soil resources. At present, the development of the rice industry is facing severe situations such as steady growth in consumption, increased resource constraints, disastrous climate, frequent occurrence of diseases and insect pests, and low comparative benefits. In order to stabilize and increase production, chemical fertilizers and pesticides are widely used in traditional rice production, which not only brings food safety hazards, but also causes long-term accumulation of toxic substances such as organic matter and heavy metals, which will also cause soil compaction, deterioration of soil physical and chemical properties, and damage to the ecological environment. Crayfish, also known as Procam...

AI Technical Summary

Problems solved by technology

[0004] However, the existing rice-shrimp co-cropping ecological organic farming method is not very effective, and it is not possible to breed crayfish of different varieties, or to distinguish crayfish in different breeding time periods, and the amount of oxygen released by aquatic plants in the water is not very high, so it cannot Effectively increase dissolved oxygen in water

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