Method for breeding crayfish after rice straw compost fermentation and returning to field

Abstract

The invention relates to a method for breeding crayfish after rice straw compost fermentation and returning to a field, and belongs to the technical field of crayfish breeding. The method specifically includes the steps of crushing rice straws, adding an organic material leavening agent, performing stacking, and continuously performing composting and fermenting for 60-80 days to obtain compost fermented rice straws; putting the compost fermented rice straws into a crayfish breeding field; planting elodea nuttallii in the crayfish breeding field; and putting young crayfishes into the crayfish breeding field where the elodea nuttallii is planted, and catching the young crayfishes after 50-60 days. According to the method for breeding the crayfish after rice straw compost fermentation and returning to the field, the rice straw is subjected to compost fermentation and then returned to the field for breeding the crayfish, so that the aims of fully utilizing the crop straw and increasing the breeding yield of the crayfish are achieved.

Description

technical field [0001] The invention relates to the technical field of crayfish cultivation, in particular to a method for cultivating crayfish after rice straw composting and fermenting is returned to the field. Background technique [0002] At present, preventing straw burning, encouraging straw returning to the field, protecting the environment, and developing ecological agriculture have become the main development directions. Straw returning has the effect of increasing soil organic matter, humic acid and minerals, can promote soil microbial reproduction and the formation of soil aggregate structure, improve soil fertility, improve crop nutritional conditions, promote crop growth, and improve soil utilization. However, returning straw directly to the field has problems such as imbalance of soil carbon and nitrogen ratio, accumulation of organic acid, difficulty in tillage and sowing, and poor growth of new seedlings. Straw composting is to turn crop straws into high-qua...

AI Technical Summary

Problems solved by technology

However, rice straw composting still has the following problems: rice straw has a waxy layer, which is difficult to absorb water, resulting in uneven water absorption and incomplete fermentation, resulting in poor composting effect

The existing traditional crayfish breeding is prone to disease and death, with low output and no guarantee, time-consuming and labor-intensive, and the habit of attacking each other during the moulting period cannot be artificially controlled. Because crayfish likes to dig holes, it is highly destructive to dams, and the habit makes small The lobster needs to be planted with grass during the shelling period, but the grass absorbs fertilizer substances and also causes the imbalance of microorganisms in the water body ecology, so a crayfish breeding method is proposed to solve the above-mentioned problems

Images