1) total nutrients content
全量养分含量
2) 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。
3) nutrient content
养分含量
1.
Effects of bagging on quality and nutrient content of Jinfeng pear;
套袋对锦丰梨果实品质和养分含量的影响
2.
Effect of transgenic Bt cotton planting on biological characteristics and nutrient content in rhizosphere soil;
转Bt基因棉种植对根际土壤生物学特性和养分含量的影响
3.
Litter and soil nutrient content analysis of mixed plantation of coniferous and broadleaf after selective cutting;
人工针阔混交林择伐后凋落物及土壤养分含量分析
4) nutrient contents
养分含量
1.
The undergrowth had higher nutrient contents than the forest trees,with the five macronutrient elements r.
对林木的养分含量分析显示,除Ca元素外,针叶的养分含量最高,其次是枝、根、皮,树干的养分含量最低。
2.
Foliar nutrient contents in different clones of triploid Populus tomentosa were measured in 2006.
对三倍体毛白杨不同无性系叶片养分含量研究表明,N和K元素含量随着生长季节而迅速降低;Ca元素含量随生长季节而逐渐积累增加。
3.
In the paper, the accumulation, water retaining and nutrient contents of litter in main vegetation were investigated and researched in national nature reserve at Mulum forest region.
通过对木论国家级自然保护区主要森林植被类型枯枝落叶层的累积量、持水量及养分含量进行调查研究。
5) 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。
6) Content of N nutrient
N养分含量
补充资料：全量
1.全部，所有。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条