“theory of nutrient returns”的概念、定义、翻译、参考文献-科学参考

单词	theory of nutrient returns
释义	theory of nutrient returns Encyclopedia 农学[肥料养分效率]释 theory of nutrient returns养分归还学说为维持土壤肥力而必须归还作物从土壤中取走养分的理论。即植物收获物从土壤带走的养分，必需“返还”至土壤才能维持土地生产力。
随便看	method of planting method of point mappings method of point sources method of position evaluation method of postulation method of potentials method of power series method of preventing water burst method of principal axes method of principal components method of prolongation method of proportional distribution problem in ancient China method of pseudopotential method of purposive selection method of quadratures method of qualitative data analysis method of quasi-averages method of quasilinearization method of quickest descent method of radar astronomy method of random descent method of random groups method of real cyclotomic field method of records classification according to content features method of records classification according to Geographical features

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。