1) soil organic matter layer
土壤有机质层
1.
In early 1994, 265 spider specimens were collected in soil organic matter layer of eight habitats in Jiuhua Mountains.
1994年初在九华山8种生境土壤有机质层中获蜘蛛标本265头,分别隶属于18科67种(属),平均密度6。
2) soil organic layer
土壤有机层
1.
Meanwhile, numerous studies undertaken over the past decade have led to the general conclusion that enzymes in mineral soil and soil organic layer play a key role in the soil biochemical process and are closely related to the cycles of bioelements and energy fluxes in forest ecosystem.
在一个生长季节内,土壤有机层和矿质土壤层的转化酶、脲酶、硝酸还原酶和酸性磷酸酶的活性高峰均出现在温度较高的夏季。
2.
Distribution characteristics of organic carbon (OC), ready oxidation carbon (ROC), nitrogen(N) and phosphorus (P) in soil organic layer (OL) and mineral soil (MS) were investigated to understand the role of OL in the cycles of C, N and P in the spruce (Picea purpurea Masters) (SF), fir (Abies faxoniana Rehder & E.
同步研究了川西亚高山云杉林、冷杉林和白桦林生态系统土壤有机层(OL)和矿质层(MS)的有机碳、全氮及全磷储量特征。
3.
As a characteristic component in the high-firigid forest ecosystem,soil organic layer is a key ecological interface for nutrient cycling and energy transferbetween vegetation and soil in a forest ecosystem and a key component in the responses offorests to .
作为高寒森林生态系统最具特征的组成部分,土壤有机层是森林植被与土壤之间进行物质循环和能量交换的生态界面之一,其对未来气候变化的响应可能比矿质土壤层更敏感。
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:土壤有机质
见土壤化学。
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