n content n含量 ; 氮素含量 ; 氮含量
resin n content 树脂含量
N content dynamics N素动态变化
N-content 作物含氮量 ; 含氮量
oxygen n content 血氧含量
soil total N content 土壤氮含量 ; 土壤总氮含量
n content rate 含n率
leaf n content 叶氮含量
The total nitrogen(N) content was determined with Kjeldahl to study the influences of temperature, digesting time and sample dosage on the course of digesting wild H.
用凯氏定氮法测定总氮含量，研究温度、消化时间及样品用量对野生竹红菌消化过程的影响。
The heritability of N content in grain and leaf and N utilization efficiency were high.
子粒、叶片含氮量和氮利用效率的遗传率相对较高。
Soil available N content showed largest effect on the yields of bamboo shoots and stuff.
土壤速效N 的含量对竹林笋、材产量的影响最大。
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