organic matter

基本解释

It is less destructive to soil than conventional tillage and is believed to help soil retain more organic matter and moisture.
它对土壤的破坏性比常规耕种法小，被认为有助于土壤保持更多有机物质和更大湿度。
They're generally considered the universal symbol for dirty living quarters, in part because roaches feed off rotting organic matter and can spread diseases like dysentery and typhoid.
小强被普遍看作是居所肮脏的标志，部分是因为它们以腐败的有机物质为食，会传播痢疾伤寒之类的疾病。
This dissolved organic matter was not, until recently, thought to be an important component of the total. But Dr Jiao noticed something odd about its distribution in the sea.
这种溶解有机物直到最近都不被认为是总体当中的重要组成部分，但是焦博士注意到其在海洋中的散布有点奇特。

To improve clay soils, mix in garden waste or other organic matter and turn the soil deeply in the fall.
They are made of organic matter:the same rules, the same laws of chemistry that apply to what makes this laser glow green apply to what makes these photodetectors work.
而是由有机物制作的，同样的规律，它与应用于让激光的光芒变绿,以及使这些光电探测器工作,的化学是一样的规律。
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She says farmers should not endlessly work the same soil without putting back some organic matter.

The reason this matters is that 95% of dissolved organic matter seems to be refractory.
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有机质
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％。
有机物质
The organic matter can trigger the effectiveness of nutrient.
有机物质对磷素的有效性具有很大的激发作用。
有机废弃物
There are either a lot of hazardous substance such as pathogens and heavy metal or abundant organic matter and nutrition in the stock-farm waste.
有机废弃物中含有大量的病原体、重金属等有害物质，亦含有大量的有机物和植物生长所需的营养物质，不加以合理的利用将是资源的巨大浪费。
环境科学技术
有机质
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。
有机肥
It is a very effective measure to apply organic matter to ameliorate the soils contaminated by cadmium and zinc.
随有机肥施入量的增加玉米生物量增加也较显著，故在镉、锌污染的土壤上增施有机肥是一种十分有效的改良方法和途径。
地球科学
有机物
有机物质