1) Topsoil organic content
表层有机质含量
2) organic content
有机质含量
1.
Laboratory study quantitatively on effect of organic content on strength of cement-mixed clays;
有机质含量对水泥土强度影响的室内定量研究
2.
The influence and anti-influence of organic content on cemented soils strength;
有机质含量对水泥土强度的影响及对策
3.
Analysis on microstructure of cement stabilized soil with different organic content
不同有机质含量水泥加固土微观结构分析
3) content of organic matter
有机质含量
1.
The results showed:(i)the content of organic matter of some purple soils were less than 1?%and lower than that of the yellow soil from Guizhou province;(ii)the ratio of humic acid to fulvic acid(HA/?FA)in purple soil was lower than 1 and higher than that of the yellow soil from Guizhou province;(iii)the percentage of the loosly combin.
本文对云南、贵州和安徽三省区紫色土有机胶体组成和特性作了初步探讨,其共同特点是:三省区紫色土有机质含量均小于1%,普遍低于贵州的对照土壤—黄壤的有机质含量;紫色土腐殖质的HA/FA值均小于1,比其对照土壤—黄壤HA/FA值高;紫色土结合态腐殖质中松结态和稳结态较紧结态低,紧结态占重碳的50%以上。
4) organic matter content
有机质含量
1.
The relation between the wilting point with the soil physics characters as clay content,organic matter content and the salt content have been studied based on the experiments in field.
基于清徐大田土壤试验研究了土壤的凋萎系数与其土壤物理性粘粒含量、有机质含量以及土壤全盐含量之间的关系。
2.
The quantitative analysis showed that soil organic matter content,stability of soil aggregates,and saturated soil infiltration are main factors influencing soil erosion ratio with both correlate coefficients and regression analysis through t.
定量分析表明,土壤有机质含量、土壤团聚体稳定性、土壤渗透性能等因素对土壤侵蚀率影响较大,相关系数和回归分析均达到了0。
3.
Based on the characteristic of low organic matter content and barreness of soil in windy desert area of western Liaoning Province,effective ways of increasing soil organic matter content were put forward,including inereasing application of organic fertilizer,utilization of peat,straw returning,grain crop-green manure rotation,etc,so as to improve the sandy land in windy desert area.
针对辽西风沙地区土壤有机质含量低、土质瘠薄的特点,提出了该地区提升土壤有机质含量的有效途径,包括增施有机肥、草炭改土、秸秆还田、粮食作物与绿肥作物轮作等内容,以期促进风沙地区的沙地改良。
5) organic matter
有机质含量
1.
The swelling rate of several typical soils in Loess Plateau was measured and the influence of particle fraction,content of CaCO3 and organic matter on soil swelling rate was analyzed in order to probe into the mechanism of soil structure stability.
为了探讨影响黄土地区土壤结构稳定性的机理,对黄土高原几种典型土壤类型的膨胀率进行了测定,系统分析了颗粒组成、碳酸钙含量以及有机质含量对土壤膨胀性的影响。
6) soil organic matter content
土壤有机质含量
1.
Relationships between chemical components of flue-cured tobacco leaf and soil organic matter content in Hunan Province of China.;
湖南烤烟化学成分与土壤有机质含量的关系
2.
Quantitative prediction of soil organic matter content using hyper spectral remote sensing and geo-statistics
通过两种不同的尺度进行了土壤有机质含量的预测,在全县范围(大尺度)内运用地统计方法进行最优无偏内插估计,得到全县土壤有机质含量的空间分布格局。
补充资料：有机质
1.一般指植物体和动物的遗体﹑粪便等腐烂后变成的物质﹐里面含植物生长所需的各种养料。有机质经过微生物的作用转化成腐殖质﹐起到改良土壤的作用。
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