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The frequent outbreaks of rice planthoppers, especially brown planthopper Nilaparvata lugens (Stål), in the last ten years in China and other Asian countries have caused serious rice (Oryza sativa L.) yield losses. The key problem is possibly due to biodiversity loss in rice ecosystems. We examined the potential of intercrops of soybean (Glycine max L.) and corn (Zea mays L.), both of which are more...
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