降雨量和土壤氮含量对半干旱沙质草地生产力的影响 |
| 张晶, 左小安, 吕朋 |
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Effects of soil nitrogen content and rainfall on vegetation productivity in semi-arid sandy grassland |
| Jing Zhang, Xiaoan Zuo, Peng Lv |
| 图3 降雨变化对沙质草地土壤理化性质的影响 |
| Fig.3 Effects of rainfall variation on soil physicochemical properties in sandy grassland |
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