“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	flatness problem flatness theorem flat norm flat origami flat pack flat package flat pack, flat package flat panel display flat-panel display glass flat piece sorter flat plate solar collector flat plate structure flat point flat pole flat pot flat profile flat resolution flat ring flat-ring cyclide coordinate flat-roof mirror flat rotation curve flat scheme Flat Screen Printing Press flat set flat sheaf

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