“evaluation index system for cultivated land fertility”的概念、定义、翻译、参考文献-科学参考

单词	evaluation index system for cultivated land fertility
释义	evaluation index system for cultivated land fertility Encyclopedia 农学地力分级法释 evaluation index system for cultivated land fertility地力分级法利用土壤养分测试资料和田间试验结果，将土壤肥力分成若干等级，根据养分丰缺等级确定施肥建议的方法。
随便看	quaternary number quaternary number system quaternary ocean circulation Quaternary paleoclimate Quaternary paleoecology Quaternary periglacial geomorphology Quaternary Period quaternary quadratic form Quaternary Sciences quaternary semiconductor compound quaternary structure quaternary substitution Quaternary System quaternary system quaternary transgression in China quaternary tree Quaternary volcanism quaternion quaternion algebra quaternion conjugate quaternion division algebra quaternion division ring quaternion elliptic space quaternion field quaternion function

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