1) total N and P
土壤全氮、全磷
2) total soil nitrogen
土壤全氮
1.
Characteristics of spatial variability of total soil nitrogen in the typical area of Taihu Lake basin;
太湖流域典型地区土壤全氮的空间变异特征
2.
Characteristics of spatial variability of total soil nitrogen in the typical subtropical red soil hilly areas;
亚热带红壤丘陵典型区土壤全氮的空间变异特征
3.
This study analyzed the total soil nitrogen content(TSN) of grasslands at different elevations on the west-slope of Helan Mountain in Alxa, Inner Mongolia.
以阿拉善左旗境内贺兰山中段(西坡)及山前地带不同海拔下的草地为研究对象,分析不同海拔梯度下草地土壤全氮的分布特征及其与气候因子、植被特征和土壤特性的关系。
3) Soil total nitrogen
土壤全氮
1.
It was shown that the vegetation types could exert significant effects on soil total nitrogen according to the study results.
以黄土丘陵沟壑区的子午岭次生林区主要植被类型为对象,研究了植被类型对土壤全氮的影响作用。
2.
040),which hence led to sharp variation of Phragmites australis in plant height and plant leaf-area,and the plants in the quadrat the highest in soil water content were found to be the tallest in plant height and the biggest in plant leaf-area;(2)soil total nitrogen content is significantly related to density and biomass,either above-or below-ground,of Phragmites australis.
040),进而导致受土壤含水量影响较大的芦苇株高和单株叶面积不同,土壤含水量高的样地,其芦苇株高和单株叶面积也达到最高值;(2)土壤全氮含量对芦苇密度、地上生物量和地下生物量有明显影响。
3.
Results showed that soil total nitrogen(TN) and the C/N ratio significantly declined with depth.
为揭示施肥对棕壤氮素状况的影响,利用29年长期肥料定位试验,研究了不同施肥处理条件下土壤全氮在0—60 cm土层的分布特征,并在此基础上计算0—60 cm土层氮库的储量变化。
4) total nitrogen
土壤全氮
1.
Nitrogen stocks and seasonal variations of total nitrogen in Phragmites communis soils from different wetlands;
不同芦苇沼泽湿地土壤全氮季节动态变化和氮储量研究(简报)
2.
Spatial estimation of soil total nitrogen using GIS:a case study in Xingguo county,Jiangxi Province;
基于GIS的土壤全氮空间分布估算——以江西省兴国县为例
3.
The effects of two vegetation restoration types,including Elymus sibiricus plantation and abandonment,on the soil total organic carbon,particulate organic carbon and total nitrogen contents of cultivated soil in the alpine agro-pastoral ecotone.
8%,土壤全氮含量分别增加了12。
5) total N
土壤全氮
1.
The study showed that there were consistent change of total N and available N contents with alfalfas growing for different lengths of time in 0-1000 cm soil.
结果表明,在0—1000 cm土层,不同生长年限苜蓿草地土壤全氮与碱解氮含量均呈现规律性的变化,即随土层深度的增加,全氮及碱解氮含量下降,350 cm土层以下,变化趋势平缓。
6) total nitrogen in soil
土壤全氮
1.
Instead of using traditional mixed catalyzer K2SO4∶CuSO4∶Se,the nanometer matter powder of ZnO were used to determine the total nitrogen in soil.
在土壤全氮的测定中,以金属氧化物ZnO的纳米粉末为催化剂取代传统混合催化剂K2SO4:Cu-SO4:Se,后进行消煮,测定其全氮值,结果准确,数据稳定且重现性好,说明纳米ZnO粉末在土壤全氮的测定中具有良好的催化效果,可应用于土壤全氮的测定。
补充资料：宥全
1.宽免，保全。
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