Security pattern and spatial evolution of cultivated land use system in black soil region, Songnen high plain.
| Autor: | Song Ge1,2 songgelaoshi@163.com, Li Dan1,3, Wang Yue1, Lei Guoping2 |
|---|---|
| Zdroj: | Transactions of the Chinese Society of Agricultural Engineering. Feb2014, Vol. 30 Issue 4, p212-221. 10p. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
|