中国化肥施用强度及环境安全阈值时空变化.
Autor: | 刘钦普1 liuqinpu@163.com |
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Zdroj: | Transactions of the Chinese Society of Agricultural Engineering. 2017, Vol. 33 Issue 6, p214-221. 8p. |
Databáze: | Academic Search Ultimate |
Externí odkaz: |
Autor: | 刘钦普1 liuqinpu@163.com |
---|---|
Zdroj: | Transactions of the Chinese Society of Agricultural Engineering. 2017, Vol. 33 Issue 6, p214-221. 8p. |
Databáze: | Academic Search Ultimate |
Externí odkaz: |