中国半干旱区农田土壤碳、氮、磷含量对玉米生产的影响 |
胡延斌, 张强, 肖国举, 仇正跻, 李永平, 郭占强 |
Effect of soil carbon, nitrgen and phosphate contents on maize production in semi-arid regions of China |
Yanbin Hu, Qiang Zhang, Guoju Xiao, Zhengji Qiu, Yongping Li, Zhanqiang Guo |
图2 研究区耕层土壤有机碳和氮磷含量及分布 |
Fig.2 Content and distribution of soil organic carbon, nitrogen and phosphorus in the study area |
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