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This paper emphasizes that strengthening the guidance and regulation of pesticide technology guidance subject is also an efficient way of pesticide reduction. This will help to improve the effect of agricultural extension and accelerate the realization of pesticide reduction target in China.Carbon neutrality of tropical reservoirs is a big concern in recent years as some estimates project high methane emission from these reservoirs. While there are studies available on the impact of physical processes (stratification and mixing) on the biogeochemistry of tr


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