Evaluation method and model analysis for productivity of cultivated land.
| Autor: | Yan Yifan1,2 yfyan@issas.ac.cn, Liu Jianli1 jlliu@issas.ac.cn, Zhang Jiabao1 |
|---|---|
| Zdroj: | Transactions of the Chinese Society of Agricultural Engineering. Mar2014, Vol. 30 Issue 5, p204-210. 7p. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
|