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资源类型: 外文期刊
作者:Huang, Shao-Wen(精确检索)
作者:Jin, Ji-Yun(精确检索)
作者:Bai, You-Lu(精确检索)
作者:Yang, Li-Ping(精确检索)
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1Spatial variability of soil nutrients and influencing factors in a vegetable production area of Hebei Province in China

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来源:NUTRIENT CYCLING IN AGROECOSYSTEMS

关键词: Fertilizer use GIS Soil nutrients Spatial variability Vegetable production area

2Evaluation of nutrient balance in soil-vegetable system using nutrient permissible surplus or deficit rate

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来源:COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS

关键词: GIS nutrient balance nutrient practical surplus or deficit rate nutrient permissible surplus or deficit rate vegetable production system

年份:2007

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