1) optimum quantity of nutrient elements
营养元素最适量
2) optimum ratio of nutrient elements
营养元素最适比
5) Nutrition store
营养元素贮量
6) nutrient contents
营养元素含量
1.
) and nutrient contents in grain at low N (14 mg/L) and normal N (28 mg/L) were studied under ambient air and elevated atmospheric pCO_(2) (Ambient+200 μmol/mol) by the China FACE (Free-Air Carbon-Dioxide Enrichment).
)N、P、K、Ca、Mg、Cu、Zn、Fe、Mn的吸收和在植株不同部位的分配,并着重分析了CO2浓度升高对稻米中营养元素含量的影响。
2.
Effects of elevation,slope and exposure on biomass and nutrient contents of alpine brushes were investigated at 12 sample stands.
选取１２个样方，调查了高山灌丛生物量和营养元素含量随海拔、坡向和坡度的变化状况。
补充资料：营养元素
nutrition elements 在花卉正常生长发育中不可缺少的，也是不能代替的元素。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条