N-Fixation 固氮
nitrogen n fixation 固氮作用
carbon n fixation 固碳的反应
clover N-fixation measurement 三叶草的固氮测定
mutation n fixation 突变固定
symbiotic n fixation 共生固氮
fixation n nystagmus 凝视性眼球震颤
Pigeon pea: cover crop suited to human and animal nutrition, pest and disease control, N fixation and P disponibility.
豌豆是人类和动物的营养物，作为覆盖作物有效控制病虫害，固定氮素。
The fixation effect of total N in artificial vegetation was more obvious than that in natural vegetation, but it was converse on the fixation effect of total P.
人工植被相对于天然植被对总氮的固定作用更为明显，而对总磷的固定作用劣于天然植被。
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