“conservation tillage”的概念、定义、翻译、参考文献-科学参考

单词	conservation tillage
释义	conservation tillage Encyclopedia 农学保护性耕作释 conservation tillage保护性耕作对农田采用免耕、少耕、地表微型改造，结合覆盖、轮作、农药病害虫防除等措施，提高土壤蓄水保墒能力和土壤肥力，防止土壤侵蚀、退化，完善表层土壤生态系统结构、增强其生态功能，确保耕地可持续利用的综合性土壤管理技术体系。
随便看	stationary prominence flare stationary radiant stationary random discrete signal stationary random process stationary random vibration stationary satellite stationary satellite camera stationary satellite-camera stationary Schrodinger equation stationary Schrödinger equation stationary semigroup stationary sequence stationary set stationary shell stationary shoulder friction stir welding stationary singular point stationary solution stationary source stationary source of air pollution stationary star stationary state stationary state equation stationary state Green's functions stationary state of current stationary states

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