| 单词 | soil fertility |
| 释义 | > as lemmassoil fertility soil fertility n. ΚΠ 1901 Proc. 22nd Ann. Meeting Soc. Promotion Agric. Sci. (U.S.) 62 The subject of humus in its relation to soil fertility. 1968 R. W. Fairbridge Encycl. Geomorphol. 1235/2 Deposition of fine dust (obvious in the case of thick loess) has occurred in very thin mantles..over broad areas. The latter is a vastly underrated factor in the maintenance of soil fertility in wide regions. < as lemmas |
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