Method 7 Integrated rice-frog co-culture system
- Authors: Cao Linkui and Yi Xiaomei
- Main Title: Agroecological Rice Production in China , pp 63-72
- Publication Date: February 2018
- DOI: https://doi.org/10.18356/8a939657-en
- Language: English
Chinese farmers have used frogs to control rice pests for a long time. During the Song Dynasty (420–490 A.D.), the poet Fan Chengda wrote that the “noisy voice of the frog lasting to the foggy morning predicts a bumper year”. The famous poet Xin Qiji (1140–1207) wrote that, “People were talking about a bumper harvest while smelling the scent of rice flowers and listening to the song of frogs”.The integrated rice-frog co-culture system makes good use of the natural symbiotic relationship between frogs and rice in paddy fields to increase rice production and protect the natural environment. In recent years, integrated rice-frog ecosystems were first tested and demonstrated in the Shanghai Qingpu modern agricultural park, Qingpu District, in 2007 (Fig. 7.1). The stocking density of tiger frogs, ecological planting structures, and pest control technology were explored. From 2009, with the technical support of the School of Agriculture and Biology, Shanghai Jiaotong University, further research and demonstrations were carried out. Meanwhile, the products of “Frog Rice” brand, produced by the Shanghai Zizaiyuan Agricultural Development Co. Ltd. Have been awarded green and organic certification. These developments indicate that integrated rice-frog ecosystems have achieved good pilot and demonstration effects and have shown significant ecological and economic benefits. The integrated rice-frog ecosystem has changed the conventional approach to rice production by reducing the use of chemical fertilizers and pesticides. It successfully controls non-point source pollutants by using ecological ditches and artificial wetland technology to intercept and adsorb run-off pollutants from drainage water.
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