“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	veterinary epidemiology cross-sectional studies veterinary epidemiology modelling veterinary epidemiology observational studies veterinary forensic medicine veterinary geography veterinary histology veterinary immunology veterinary informatics veterinary inspector veterinary internal medicine veterinary landscape epidemiology veterinary lemology veterinary live vaccine veterinary medicine veterinary medicine officer veterinary microbiology veterinary molecular epidemiology veterinary moxibustion veterinary moxibustion tool veterinary obstetrics veterinary operative surgery veterinary ophthalmology veterinary parasitology veterinary participatory epidemiology veterinary pathology

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