“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	precooling pre-cooling air-breathing combined cycle engine pre-coordination language precordial leads precordial tremor precorrection precorrosion precritical precrop pre-crushing -AG/SAG-ball mill grinding-classification circuit precure P recursive function P-recursive function Precursor precursor precursor chemicals precursor effect precursor ion precursor nuclide precursor nuclide (nucleus) precursor nuclide of delayed neutron precursor object precursor of delayed proton emission precursor of nuclide precursor of the active ingredient

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