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 |
|
Effects of soil nitrogen content and rainfall on vegetation productivity in semi-arid sandy grassland |
| Jing Zhang, Xiaoan Zuo, Peng Lv |
| 图5 氮添加对沙质草地植被多样性指数的影响 |
| Fig.5 Effects of nitrogen addition on vegetation diversity indices in sandy grassland |
|