Soil Nutrient Index 土壤养分指数
Nutrient index dynamic 养分指标动态
Aggregate Nutrient Density Index 总计营养密度指标
index of nutrient quality 营养质量指数
nutrient balance index 养分平衡指数
nutrient harvest index 养分收获指数
nutrient management index 养分管理指数
nutrient equilibrum index 养分平衡指数
nutrient requirement index 营养需要指标
The soil nutrient index calculated from bacterial population indicated that the nutrient levels of the four grass-forest systems were very low, only between 0.003 and 0.014.
根据微生物数量计算的土壤营养指数表明，4种草林系统的营养级别都极低，土壤营养指数仅0.003~0.014。
Soil nutrient index of 6 different utilization patterns in research area was measured. Significance of difference and soil nutrient level in different utilization patterns were comparatively analyzed.
通过对研究区6种不同利用模式下土壤养分指标的测定，对比分析出各利用模式间土壤养分含量水平和差异显著性。
The results showed that the comprehensive index of the seawater nutrient condition was less than 1 and seawater quality was in poor condition.
结果表明：大鹏湾养殖区各监测站位的海水营养状态综合指数均小于1，属于贫营养型海区。
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