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5. Spatial Variability of Nutrient Properties in Black Soil of Northeast China

Spatial Variability of Nutrient Properties in Black Soil of Northeast China

来源 :土壤圈：英文版 | 被引量 : 0次 | 上传用户：aaa6862876

【摘 要】

：

<正>A total of 1400 soil samples from the plow layer (0-20 cm) at an approximate interval of 5 km were collected in the autumn of 2002 over the entire black soi

【作 者】

：

ZHANG Xing-Yi SUI Yue-Yu ZHANG 

【机 构】

：

NortheastInstituteofGeographyandAgroecology,InstituteofAppliedEcology,HeilongjiangUniversity,Departm

【出 处】

：

土壤圈：英文版

【发表日期】

：

2007年1期

【关键词】

：

空间变异性 土壤营养学 中国 东北地区 black soil  China  geostatistics analysis  soil survey  spat 

【基金项目】

：

Project supported by the National Basic Research Program （973 Program） of China （No. 2005CB121108） and the Heilongjiang Provincial Natural Science Foundation of China （No. C2004-25）. The authors were

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<正>A total of 1400 soil samples from the plow layer (0-20 cm) at an approximate interval of 5 km were collected in the autumn of 2002 over the entire black soil arable crops region to determine the spatial variability of seven variables, such as tot

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