Eel-toad-rice symbiotic cultivation method

Abstract

The invention discloses an eel-toad-rice symbiotic cultivation method, and belongs to the technical field of agricultural compound cultivation. The eel-toad-rice symbiotic cultivation method comprisesthe following steps: selection and arrangement of symbiotic cultivation unit fields; arrangement of a toad escape prevention facility; sowing of rice; preparation of juveniles in advance; stocking ofjuveniles; placing juvenile toads into a rice sowing area and controlling the throwing density of the juvenile toad; feeding; breeding of earthworms; topdressing of rice fields; adjustment of water quality and water level; pest control; and catching-up. Diseases and insect pests on land and air are prevented and controlled, and poisonous and harmful pesticides are avoided; chemical fertilizers are avoided, and soil protection is facilitated; the method is beneficial to guarantee that fertilizer and water do not flow outwards and non-point source pollution can be avoided effectively; the wetland function of the rice fields is well enhanced; emissions of greenhouse gases such as methane are reduced; eels, toads and rice are bred in a symbiosis manner and are beneficial to one another, organic matters such as nitrogen and phosphorus which are generated by the eel and toad can be absorbed by the rice and promote the growth of the rice, and the pollution of the nitrogen and the phosphorusto the water body is reduced; and the purification effect of the rice on the water quality can provide a high-quality growing water environment for the eels.

Description

technical field [0001] The invention belongs to the technical field of agricultural compound planting and breeding, and in particular relates to a method for symbiotic breeding of eel and toad rice. Background technique [0002] The aforementioned eel refers to rice field eel ( Monopterus albus ), especially the deep yellow spotted eel; the aforementioned toads mainly refer to the giant bufo ( Bufo gargarizans ). Swamp eel, also known as squid, has a wide geographical distribution in my country, especially in the Yangtze River Basin and South China. It has good nutritional and medicinal value, and is one of the few traditional aquatic products that is in short supply. Chinese toad is a local native species. As early as the 1970s, the number of local rural toads was very large, and it played an important role in the biological chain in the link of biodiversity. Toad can also provide human beings with good medicines for curing diseases. Toad venom, toad skin, and toad dry ...

AI Technical Summary

Problems solved by technology

[0007] The task of the present invention is to provide a method for symbiotic breeding of eel and toad rice, which is helpful for the feeding function of eel and toad and the prevention and control of diseases and insect pests by water, land and air, so as to avoid the use of toxic and harmful pesticides, and is beneficial to the utilization of livestock and poultry manure and Rice straw cultivates plankton and fertilizes water quality, and fermenting autumn harvest straw, planting green manure and breeding earthworms in winter and spring can avoid the use of chemical fertilizers, which is beneficial to improve field ridges and reflect precision irrigation, so as to ensure that fertilizer and water do not flow out and solve the problem of non-point source pollution from the source , It is convenient to enhance the wetland function of the paddy field well, so that the water storage capacity of the paddy field in the rainy season can be exerted, and at the same time, the ideal drought resistance ability of the paddy field in the dry season can be exerted, and it is helpful for the frequent activities of eels and toads in the paddy field to increase the content of dissolved oxygen in the water to reduce emissions of greenhouse gases such as methane