“植物必需大中量元素”的概念、定义、翻译、参考文献-科学参考

单词	植物必需大中量元素
释义	植物必需大中量元素 Encyclopedia 农学植物必需大中量元素释 major and medium essential elements of plants植物必需大中量元素植物正常生长发育所必不可少的大量及中量营养元素。大量元素指平均含量占植物干物重0.5%以上的必需元素，中量元素指平均含量占植物干物重0.1%～0.5%的必需元素。按照国际植物营养学会的规定，植物必需元素在生理上应具备三个特征：对植物生长或生理代谢有直接作用；缺乏时植物不能正常生长发育；其生理功能不可被其他元素代替。
随便看	international arbitration International Archives Day International Assciation for the Evaluation of Educational Achievement International Association for Bridge and Structural Engineering International Association for Computational Mechanics International Association for Continuing Engineering Education International Association for Cross-Cultural Psychology International Association for Fire Safety Science International Association for Forensic Phonetics and Acoustics International Association for Hydro-Environment Engineering and Research International Association for Landscape Ecology International Association for Mathematics and Computers in Simulation International Association for Physical Education in Higher Education International Association for Sports and Leisure Facilities International Association for Sports Information International Association for the Computer Sports Science International Association for the History of Religions International Association for the Philosophy of Sport International Association for the Plant Protection Sciences International Association for the Study of Insurance Economics International Association for Water Law International Association of Airport and Seaport Police International Association of Applied Linguistics International Association of Applied Psychology International Association of Broadcasting

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