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中文摘要：
土壤碳循环在全球气候变暖上具有重要的作用,也越来越受到人们的关注。保护性耕作具有减少土壤侵蚀、提高秸秆利用效率和增加土壤有机质等特点,对土壤碳汇效应具有重要的影响。国内外在保护性耕作上对土壤碳循环等方面取得了丰硕的成果。随着保护性耕作碳循环方面研究的深入,人们对保护性耕作的农田碳效应及其机制的认识也越来越深入。本文对国内外保护性耕作对农田碳效应的影响进行了比较客观详尽的阐述,并再此基础上提出了未来本领域的研究重点,以期对中国开展相关的研究提供借鉴。
英文摘要：
Soil carbon cycle plays an important role in global warming and concerns for it have been increased.Conservation tillage could reduce soil erosion,enhance residue utilization,and increase SOC,which influence soil carbon sequestration greatly.Lots of achievements in soil carbon cycle of conservation tillage have been made in the past years.With the deep studies,the understanding of mechanism of tillage effects on soil carbon has become more and more clearly and thoroughly.The effects of conservation tillage on carbon were reviewed objectively and in detail in this paper.Future trends and advices were also proposed on further researches in this field in China.
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