1) soil organic substance
土壤有机物质
3) SOM
土壤有机质
1.
A new pretreatment method-orthogonal signal correction (OSC) was presented to eliminate the influence of the noise on soil organic matter (SOM) content prediction.
分析了经过简单处理的土壤样本光谱特性,将正交信号校正与偏最小二乘算法回归相结合,建立了土壤光谱特性与土壤有机质含量之间的定量分析模型。
2.
The spatial variability of soil organic matter(SOM)in the Shiqu County was expressed by the spatial analytic approaches such as ordinary kriging(OK)on the basis of the software ArcGIS Desktop 9.
根据60个土壤有机质含量的样点数据,在ArcGIS9。
3.
Results showed that continuous application of FYM increased SOM successively and eventually reached such a high level as 60g?kga?a(c)-1 in SOM content while maintaining high crop yield.
结果表明 ,长期施用有机肥可以在保持高产稳产条件下使土壤有机质持续增长 ,可以显著影响有机质的增长速度 ,并培肥土壤有机质达到 60gkg- 1的高水平。
4) soil organic matter
土壤有机质
1.
Characteristics of spatio-temporal changes of soil organic matter in typical fringe in Beijing for 25 years;
北京典型边缘区25年来土壤有机质的时空变异特征
2.
Spatial variability characteristics of farmland soil organic matter in Pinggu District,Beijing,China;
北京市平谷区农用地土壤有机质空间变异特征
3.
Adaptability of seven leguminous forages and improvement to soil organic matter content in Guangxia grapery;
7种豆科牧草在宁夏广夏葡葡园的适应性及其对土壤有机质的影响
5) organic matter of soil
土壤有机质
1.
Measurement and analysis of the content of organic matter of soil in Qiqihar area;
齐齐哈尔地区土壤有机质含量的测定及分析
6) organic matter
土壤有机质
1.
Influence of cryptogamic soil crusts on accumulation of soil organic matter in Gurbantunggut Desert,northern Xinjiang,China;
生物结皮影响下的土壤有机质分异特征
2.
Soil organic matters(SOM) are important components in soil,and they would affect the physicochemical,chemical and biological properties of the soil directly or indirectly.
土壤有机质是土壤的重要组成部分,土壤有机质的存在直接或间接地影响土壤的物理、化学和生物等许多性质。
3.
Based on 137Cs tracer method,the soil erosion rate,organic matters and heavy metals loss on the agricultural lands of Danjiangkou city,Hubei Province,were studied.
结果表明:农用地土壤侵蚀速率从大到小依次为沟谷旱地>坡耕地>菜田>水田>草地>灌丛,耕作土的侵蚀强度多为中度和强度侵蚀,非耕作土则是微度和轻度侵蚀;不同土地利用方式对土壤有机质和重金属分布影响很大,有机质含量分布规律为草地>灌丛>菜田>水田>沟谷旱地>坡耕地;Pb与Ni含量为灌丛>草地>坡耕地>沟谷旱地>菜田>水田;Cr与Cu含量为灌丛>菜田>坡耕地>草地>沟谷旱地>水田;Zn含量为灌丛>菜田>草地>坡耕地>沟谷旱地>水田。
补充资料：有机
1.原指与生物体有关的或从生物体来的(化合物)﹐现指除一氧化碳﹑二氧化碳﹑碳酸﹑碳酸盐和某些碳化物之外﹐含碳原子的(化合物)。 2.指事物构成的各部分互相关连﹐具有不可分的统一性。 3.有机会。
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