Tilling also releases carbon dioxide from the soil into the atmosphere. No-till keeps carbon in the soil and avoids the release of heat-trapping gases from motorized equipment.
耕作还会将土壤中的二氧化碳释放到大气中,而免耕能够保持住土壤中的碳,并且避免机械设备释放吸热气体。
To extract it would require digging up much of the moon's upper few feet of soil and baking the soil to release the solar wind-implanted gases.
为了提取它需要挖起大部分的月球表层几英尺的土壤并且烘烤土壤释放出太阳风注入的气体。
For example, planting fast growing pine trees on grassland will help to lock up carbon in the tree, but it may also disrupt the soil and release carbon already stored in the grassland.
举例来说,虽然在草原种植快速成长的松树将有助于将碳锁在树中,但是,松树也许会分解土壤,把已经储藏于草场的碳释放出来。
Experts say some methods of tilling turning the soil to prepare for planting also release harmful carbon dioxide.
VOA: special.2010.01.05
No-till keeps carbon in the soil and avoids the release of heat-trapping gases from motorized equipment.
VOA: special.2010.09.28
Fertilized soil and the burning of crop waste also release harmful gases into the air.
VOA: special.2010.01.05
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