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Rice field ecosystem
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Biological nitrification denitrification and nitrogen loss in rice field ecosystem
Nutrient balance in rice field ecosystem of northern China
Effect of hydroquinone and dicyandiamide on N
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O and CH
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emissions from lowland rice soil
Rice field ecosystems in northern China Ⅱ. Study of symbiotic nitrogen fixation of Azolla in rice-Azolla combination systems
Rice field ecosystems in northern China Ⅰ. Structural study of rice-Azolla combination systems
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