Organic rice using fishes, ducks and frogs in China

Rice is a major food in China. However many pests, diseases and weeds cause losses of rice yield. The use of pesticides is no longer an option to solve a such problem because pesticides contaminate food and water. Non-chemical treatments are thus needed. Huang et al review non-chemical chinese practices that are successfully applied to rice cultivation. Practices include: growth of different resistance rice varieties to control blast, plant hoppers; leaf folder and sheath blight management by adjusting rice seeding and transplanting date; releasing fish and frog to control insect pests and weeds; rice-duck mutualism system to control multiple injurious insect and weeds, and also fertilize the soil.


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