“theory on everlasting of soil fertility”的概念、定义、翻译、参考文献-科学参考

单词	theory on everlasting of soil fertility
释义	theory on everlasting of soil fertility Encyclopedia 理学〔古代农业思想〕释 theory on everlasting of soil fertility地力常新壮说宋代陈旉对土壤肥料之科学总结，认为合理利用土壤、改良土壤和培肥土壤，土壤肥力不会减弱衰退，反而越种越肥，实现地力的常年新壮，驳斥了地力衰退论。
随便看	predicate of first order predicate of n arguments predicate of n variables predicate of second level predicate of second order predicate symbol predicate transformer predicate transformer semantics predicate/transition system predicate variable predicate word predicative predicative analysis predicative definition predicative formal theory predicative ordinal number predicative property predicative proposition predicative set theory predicative variable predicativity predictability predictable predictable characteristic predictable process

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