%0 Journal Article
%T CO2 flux and its correlation with soil temperature in winter wheat growth season under different tillage measures<br>不同耕作措施下冬小麦生长季农田二氧化碳排放通量及其与土壤温度的关系
%A LI Lin
%A ZHANG Hai-lin
%A CHEN Fu
%A LI Su-juan
%A <br>李琳
%A 张海林
%A 陈阜
%A 李素娟
%J 应用生态学报
%D 2007
%I 
%X Based on a long-term experiment, this paper investigated the CO2 flux in winter wheat growth season under different tillage measures, and simulated the correlation between the flux and soil temperature by regression method. The results indicated that under different tillage measures, the average CO2 emission rate in winter wheat growth season was in the order of moldboard plow tillage (F) > minimum tillage (X) > no-tillage (M), with the value being 343.69, 337.54 and 190.47 mg x m(-2) x h(-1), respectively. There was a significant exponential correlation between CO2 flux and soil temperature, which was most significant for the soil temperature at the depth of 10 cm under F, and relatively significant for the soil temperature at the depth of 10 and 20 cm under X and M. Simulating with the soil temperature at the depth of 10 cm, the CO2 flux in winter wheat growth season was estimated as 1.88 kg x m(-2) under F, 1.89 kg x m(-2) under X, and 1.03 kg x m(-2) under M.
%K conservation tillage
%K soil respiration
%K soil temperature<br>保护性耕作
%K 土壤呼吸
%K 土壤温度
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=42FEDDFE54F8BCD9D5FD1926ABDD7722&aid=3A520170C001B6511B9D48145C79FDC0&yid=A732AF04DDA03BB3&vid=13553B2D12F347E8&iid=59906B3B2830C2C5&sid=FD2F08F1989887AD&eid=94C88B5D697EEAE6&journal_id=1001-9332&journal_name=应用生态学报&referenced_num=4&reference_num=20