plasma phosphorus level 血浆磷水平
inorganic phosphorus level 无机磷浓度
available phosphorus level 供磷水平
soil test phosphorus level 土壤测试磷
nitrogen and phosphorus level 氮磷含量
excessively high level of phosphorus 过高的磷水平
level of phosphorus 血磷含量
Serum phosphorus level increased as dietary phosphorus increased and decreased as dietary calcium to phosphorus ratio increased.
血清磷随日粮磷增加而增加，随日粮钙磷比例增加而下降。
A field experiment was conducted to study the effect of different nitrogen and phosphorus level on total fresh weight and fresh weight of edible stems of Salicornia bigelovii Torr.
采用田间试验研究了不同氮磷水平对北美海蓬子生长和品质的影响。 结果表明，氮、磷肥及其适量配合施用，北美海蓬子的总鲜质量和菜用产量都显著或极显著增加；
The results suggested that the calcium to phosphorus ratio 1.2:1 with phosphorus level 0.89% in dietary was the best choice for calcium and phosphorus utilization in growing laboratory rhesus monkeys.
实验结果表明，生长期猕猴日粮在0.89％磷水平下，最适钙磷比是1.2：1，并且日粮钙、磷水平和钙磷比对钙、磷利用率具有互作效应。
应用推荐