%0 Journal Article %T Effects of different fertilization on red soil microbial biomass C in tea garden
不同培肥措施对红壤茶园土壤微生物量碳的影响 %A XU Hua-qin %A XIAO Run-lin %A YANG Zhi-jian %A SONG Tong-qing %A XIA Yan-jun %A LUO Wen %A LI Sheng-hua %A
徐华勤 %A 肖润林 %A 杨知建 %A 宋同清 %A 夏艳君 %A 罗文 %A 李盛华 %J 生态学杂志 %D 2007 %I %X The study on the dynamics of red soil microbial biomass C in tea garden after 4 years different fertilization showed that straw mulching combined with applying organic manure and chemical fertilizer,intercropping white clover,and applying chemical fertilizer could all increase the amount of soil microbial biomass C significantly.The annual variations of soil microbial biomass C all presented the tendency of low-high-low-high,and the effects of fertilization varied with different periods.The annual average of soil microbial biomass C in treatments T1(straw mulching 100% organic manure),T2(straw mulching 75% organic manure 25% chemical fertilizer),T3(straw mulching 50% organic manure 50% chemical fertilizer),T4(straw mulching 25% organic manure 75% chemical fertilizer),T5(100% chemical fertilizer) and T6(intercropping white clover) were 17.05%,32.38%,32.05%,24.30%,26.23% and 24.63% higher than CK,respectively,and the differences were significant(P<0.05).Soil microbial biomass C had significant positive correlations with soil active organic matter,total nitrogen,and microbial biomass N and P,but no significant correlations with soil available nitrogen,total phosphorus,total potassium,and moisture content.In comparing with applying chemical fertilizer or organic manure alone,their combination was more advantageous in improving soil fertility. %K tea garden %K different fertilization %K soil microbial biomass C
茶园 %K 不同培肥 %K 土壤微生物量碳 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=B04840A985D251F36078BD07A90EF003&aid=A6FB3373BFDAA2F3&yid=A732AF04DDA03BB3&vid=96C778EE049EE47D&iid=DF92D298D3FF1E6E&sid=9F481C73BF82C48F&eid=4D5C5090B0F83CF9&journal_id=1000-4890&journal_name=生态学杂志&referenced_num=2&reference_num=22