1.3 选题的意义 土壤有机质（Soil Organic Matter，SOM）是土壤的重要组成物质，虽然含量很 低，但对土壤形成过程以及土壤的物理、化学、生物学性质影响很大；是植...
基于284个网页-相关网页
...在本质上具有非均质性，其微粒内 和微粒间的微观结构都是变化的，对有机化合物的吸附起主要作用的有机质（soil organic matter，SOM）是一种在组成和结构上都具有非均质性的大分子聚合电解 质，并由此提出了分布活性模型（distribut...
基于154个网页-相关网页
...全 氮 ;土 壤 有 机 质 ;空 间 变 异 特 征 ;杭 埠 河 流 域 [gap=13622]Key words : total soil nitrogen ;soil organic matter ;spatial variability ; Hangbu River watershed ..
基于3个网页-相关网页
native soil organic matter [土壤] 土壤原有机质
half-life of soil organic matter 土壤有机质半减期
Soil Organic Matter SOM 土壤有机质
Soil Organic Matter Balance 土壤有机质平衡
soil organic matter content 土壤有机质含量
soil organic matter fractions 土壤有机质部分
decomposition of soil organic matter 土壤有机质的分解
high soil organic matter 高有机质土壤
This region is short of soil organic matter for the average value is less than 1%.
该地区土壤有机质含量均很低，平均还不到1％。
参考来源 - 我国干旱荒漠植被区土壤生态特性研究Soil organic matter content and the nature of polycyclic aromatic hydrocbarons are the main influence factors .
土壤有机质含量和多环芳烃自身性质是其去除途径不同的主要影响因素。
参考来源 - 土壤中多环芳烃的生物有效性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Soil organic matter decomposition was increased under mulch.
地膜覆盖使土壤有机质分解增快。
This region is short of soil organic matter for the average value is less than 1%.
该地区土壤有机质含量均很低，平均还不到1％。
A major portion of the soil organic matter is derived from the added and residual vegetative material.
加进去的和残留下来的植物物质则是土壤有机质的主要来源。
The study also noted that when tilled soil particles come in contact with air, soil organic matter is lost through the process of oxidation.
VOA: special.2010.09.28
To improve clay soils, mix in garden waste or other organic matter and turn the soil deeply in the fall.
VOA: special.2009.03.10
She says farmers should not endlessly work the same soil without putting back some organic matter.
VOA: special.2010.11.09
应用推荐