%0 Journal Article
%T Effects of ex situ rice straw incorporation on organic matter content and main physical properties of hilly red soil<br>稻草易地还土对丘陵红壤有机质和主要物理性质的影响
%A ZHU Han-hua
%A HUANG Dao-you
%A LIU Shou-long
%A ZHU Qi-hong
%A <br>朱捍华
%A 黄道友
%A 刘守龙
%A 朱奇宏
%J 应用生态学报
%D 2007
%I 
%X Two typical land-use types,i.e.,newly cultivated slope land and mellow upland,were selected to investigate the effects of ex situ rice straw incorporation on the organic matter content,field water-holding capacity,bulk density,and porosity of hilly red soil,and to approach the correlations between these parameters.The results showed that ex situ incorporation of rice straw increased soil organic matter content,ameliorated soil physical properties,and improved soil water storage.Comparing with non-fertilization and applying chemical fertilizers,ex situ incorporation of rice straw increased the contents of organic matter(5.8%-28.9%)and >0.25 mm water-stable aggregates in 0-20 cm soil layer,and increased the field water-holding capacity(6.8%-16.2%)and porosity(4.8%-7.7%)significantly(P<0.05)while decreased the bulk density(4.5%-7.5%)in 10-15 cm soil layer.The organic matter content in 0-20 cm soil layer was significantly correlated to the bulk density,porosity,and field water-holding capacity in 10-15 cm soil layer(P<0.01),and the field water-holding capacity in 0-20 cm and 10-15 cm soil layers was significantly correlated to the bulk density and porosity in these two layers(P<0.05).
%K rice straw
%K soil organic matter
%K water-stable aggregates
%K bulk density
%K field water-holding capacity
%K porosity<br>稻草
%K 土壤有机质
%K 水稳定性团聚体
%K 容重
%K 田间持水量
%K 孔隙度
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=42FEDDFE54F8BCD9D5FD1926ABDD7722&aid=DB0102F3D87A17115295F453E9CD8EEA&yid=A732AF04DDA03BB3&vid=13553B2D12F347E8&iid=708DD6B15D2464E8&sid=03917A4D377EB981&eid=16F05AD23F5C3972&journal_id=1001-9332&journal_name=应用生态学报&referenced_num=2&reference_num=28