Method for selenium-enriched symbiosis of fishing and rice

Abstract

The invention provides a method for selenium-enriched symbiosis of fishing and rice. The method comprises the following operation steps: A), shaping a rice field; B) forming a composting fertilizer layer, namely forming the composting fertilizer layer in any mode of culturing a selenium-enriched soil layer or spraying a selenium-enriched fertilizer; C) forming surface layer soil; D) supplying water into the rice field; E) transplanting rice seedlings, namely transplanting the rice seedlings on the top surface of a shallow water zone of the rice field in any mode of mechanical rice seedling transplanting or manual rice seedling transplanting; and F) launching fingerlings. By adopting the mode of combination of planting and breeding, a practical efficient fishing-rice selenium-enriched symbiosis ecological system is established, and fishes are bred freely and eat weeds and insects in the rice field; fish excrement is capable of fertilizing the rice field, and functions that no chemicalsare used, no chemical fertilizers are used and the benefits are still increased can be achieved; rice and aquatic products are high in selenium element, good in quality and high in yield; due to hibernating regrowing rice, rice can be harvested for years once being planted, so that the working intensity and the labor of farmers can be greatly alleviated, labor conservation, time saving, simplicityand health can be achieved, and good harvest of both economic benefits and social benefits can be achieved.

Description

technical field [0001] The invention belongs to the technical field of the combination of agricultural planting and aquaculture, and particularly relates to a selenium-enriched symbiosis method for fish and rice. Background technique [0002] Fish-rice symbiosis refers to the stocking of grass carp fingerlings during the rice production season, so that rice and fish coexist in ponds, forming a fish-rice symbiosis ecosystem. Rice and fish complement each other and complement each other, actively play the positive role of fish in the ecosystem, and promote the flow of energy in the direction that is beneficial to rice and fish. The organic matter of the entire rice field is in a dynamic balance. The symbiosis of fish and rice is based on aquaculture ponds as the basis of the entire ecosystem. The special rice varieties for ponds are selected to be directly planted in the pond bottom mud, and the water level is gradually raised with the growth of aquatic animals. During the gr...

AI Technical Summary

Problems solved by technology

[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a method for selenium-enriched symbiosis of fish and rice, which is used to solve the problem of low selenium content in rice and aquatic products in the symbiosis of fish and rice in the prior art, and rice needs The problem of transplanting rice every year

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