中国玉米主产区土壤养分的空间变异及影响因素分析

赵晴月,许世杰,张务帅,张哲,姚智,陈新平,邹春琴

Spatial Regional Variability and Influential Factors of Soil Fertilities in the Major Regions of Maize Production of China

ZHAO QingYue,XU ShiJie,ZHANG WuShuai,ZHANG Zhe,YAO Zhi,CHEN XinPing,ZOU ChunQin

表3 全国玉米主产区土壤养分含量间的相关分析

Table 3 Correlations among soil fertilities in the major regions of maize production in China

pH 有机质 Organic matter 全氮 Total N 有效磷 Olsen-P 速效钾 Available K pH 1 有机质 Organic matter -0.284** 1 全氮 Total N -0.256** 0.927** 1 有效磷 Olsen-P -0.287** 0.220** 0.200** 1 速效钾Available K 0.122** 0.237** 0.234** 0.228** 1