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关键词:rice-wheat cropping system(模糊匹配)
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Nitrogen input, N-15 balance and mineral N dynamics in a rice-wheat rotation in southwest China

SCI

机构:

来源:NUTRIENT CYCLING IN AGROECOSYSTEMS年份:2007

关键词: alternate soil wetting and drying integrated nutrient management N-15 labelled urea nitrogen budget nitrogen cycling rice-wheat cropping system

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Crop yields, internal nutrient efficiency, and changes in soil properties in rice-wheat rotations under non-flooded mulching cultivation

SCI

机构:

来源:PLANT AND SOIL年份:2005

关键词: internal nutrient efficiency nutrient balance rice-wheat cropping system soil fertility straw management water saving

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Effects of non-flooded mulching cultivation on crop yield, nutrient uptake and nutrient balance in rice-wheat cropping systems

SCI

机构:

来源:FIELD CROPS RESEARCH年份:2003

关键词: rice-wheat cropping system non-flooded mulching cultivation system productivity nutrient uptake and balance

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