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Stubble burning is the deliberate setting fire of the straw stubble that remains after wheat and other grains have been harvested. The practice was widespread until the 1990s, when governments increasingly restricted its use. ==Effects== The burning of stubble, contrasted with alternatives such as ploughing the stubble back into the ground has a number of consequences and effects on the environment Stubble burning: *Quickly clears the field and is cheap. *Kills weeds, including those resistant to herbicide. *Kills slugs and other pests. *Can reduce nitrogen tie-up However, it has a number of harmful effects on the environment: * Loss of nutrients. * Pollution from smoke. * Damage to electrical and electronic equipment from floating threads of conducting waste. * Risk of fires spreading out of control There is a perception that stubble burning contributes to atmospheric CO2. However carbon dioxide releases are only slightly greater than those from natural decomposition〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「stubble burning」の詳細全文を読む スポンサード リンク
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