“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	variable arc variable-area track variable autotransformer variable base-line interferometer variable base-line interferometry variable boundary variable boundary conditions variable bubble-point cas variable busywork of agricultural machine variable camber variable capacitance amplifier variable-capacitance diode variable capacitance transducer variable capital variable carrier variable cluster analysis variable coefficient variable coefficient model variable coil variable collision variable color polarizing variable compensation variable component variable compression ratio variable condenser

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