土壤有机质半减期 half-life of soil organic matter
土壤有机持分解率 decomposition rate of soil organic matter
Electric insulation is made of organic substances and so gradually （） with age.
挥发性有机物指常温常压下能够挥发或气态的有机物，世界卫生组织（WHO，1989）定义熔点低于室温、沸点在（）℃之间的有机物为挥发性有机物，英文Volatile Organic Compounds，简写为VOCs。
下面哪个环境是最合适的对于OPC（organic photo-conducting）drums？（）
As time goes on the organic material is buried deeper and hence（）higher temperatures and pressures.
生物礁（organic reef）
It is that reduce the BOD by converting the organic content of the sewage to a chemically and organically inert sludge（）
土壤有机质平均停留时间 mean residence time of soil organic matter
植物有机营养 organic nutrition of plant
有机氮库 organic nitrogen pool
有机物反应活性（organic reactivity）
土壤有机质平衡 soil organic matter balance
37. “Organic cotton” in Line 1, Para 3, probably means “cotton ”.
lt is not _ (necessary) true that organic foods are better.
We could use______to describe the possible advantages of organic food.
If a food bears a USDA Organic label, it means it's produced and processed according to the USDA standards.
Organic farming is better _ the environment
Americans are obsessed with eating organic because they’ve been drilled to believe that is what’s \good\ for them.
After gaining organic certification, 30 small-scale pineapple farmers saw produce sales grew from 26 tons to more than ________ tons.
We are ____ ___ a survey of consumer attitudes towards organic food.
______reading an article about organic vegetable gardening, Tom decided to start his own.
Genetically ________ food looks prettier and has more, bigger fruits. By contrast, organic food is said to be healthier and safer.
（）All fungi carry out extracellular digestion: they secrete enzymes that digest organic matter, and then they absorb the resulting nutrients.
