1) total nutrient
全量养分
1.
Spatial Variability of Total Nutrients in Arable Soil as affected by Different Sampling Distances;
不同取样间距农田土壤全量养分空间变异特征研究
2.
Correlation between black soil textures and total nutrient contents in Hailun cropland was analyzed in this study.
主要以海伦农田黑土为对象,研究海伦土壤颗粒机械组成、全量养分含量,探讨土壤机械组成与土壤全量养分的相关性。
3.
The results showed that there were significantly quadratic relationships between the cultivating years and organic matter,total nutrients(total N,P and K) and available nutrients(available N,P and k) content,and electric conductivity.
结果表明,设施栽培条件下土壤有机质、电导率、全量养分(全氮、全磷和全钾)和速效养分(碱解氮、速效磷和速效钾)含量与种植年限均呈二次多项式关系,且相关关系达显著或极显著水平。
2) total nutrients content
全量养分含量
3) soil total nutrients
土壤全量养分
4) nutrient concentration
养分含量
1.
Variations of the nutrient concentrations in the sediments of ponds under the slopes of different land use patterns in small red soil watershed;
红壤小流域不同土地利用方式坡面下水塘底泥养分含量变化
2.
The average nutrient concentration in China .
对杉木二耕连栽林地、灌丛砍伐后头耕林地和阔叶林砍伐后头耕林地三大类型杉木林养分含量进行了研究。
3.
According to the problem that the nutrient(N,P_2O_5 and K_2O)concentrations can not be measured accurately on-line,soft sensors based on least squares support vector machines(LS-SVM)are proposed to estimate the nutrient concentrations.
针对复合肥装置养分含量无法用常规的传感器在线测量的问题,提出了基于最小二乘支持向量机(LS-SVM)的软测量方法来在线估计养分含量。
5) nutrient flux
养分通量
1.
Litter accumulation and its nutrient fluxes were analyzed for the above 6 mixed forests and the P.
通过定位监测和化学分析,对上述6种混交林类型及林下未套种阔叶树的马尾松纯林的森林凋落量及养分通量进行了研究。
6) Nutrient storage
养分贮量
补充资料：全量
1.全部，所有。
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参考词条