EFFECTS OF INTENSIFICATION OF AGRICULTURAL PRACTICES ON EMISSION OF GREENHOUSE GASES

被引：12
|
作者：
WARD, GM [1 ]
DOXTADER, KG [1 ]
MILLER, WC [1 ]
JOHNSON, DE [1 ]
机构：
[1] COLORADO STATE UNIV, DEPT AGRON, FT COLLINS, CO 80523 USA
来源：
CHEMOSPHERE | 1993年 / 26卷 / 1-4期
关键词：
D O I：
10.1016/0045-6535(93)90414-Z
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Poor quality diets of ruminant farm animals in developing countries lead to relatively large emissions of methane (a gas implicated in global climate change) per unit of useful animal product. Production of high quality feed requires intensive agronomic practices that result in increased emission of carbon dioxide and nitrous oxide, which also contribute to global climate change. Focusing on India, we estimate that improved diets could reduce by one-third greenhouse gas production (expressed as CO2 equivalents) per kg of milk. On the other hand, replacement of bullocks with tractors is projected to result in a greater than two-fold increase in CO2 equivalents.
引用
收藏
页码：87 / 93
页数：7
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