干旱区生态环境知识资源中心(Arid): 旱作条件下不同覆盖及耕作方式对土壤微生物量磷的影响

Arid

	旱作条件下不同覆盖及耕作方式对土壤微生物量磷的影响
其他题名	Effects of different cover and rotation on soil microbial biomass phosphorus in rain-fed agriculture
	张丽华 1; 黄高宝2 ; 张仁陟 1
ISSN	1003-4315
出版年	2006
卷号	41 期号:6 页码:98-101
中文摘要	在干旱半干旱的定西市安定区李家堡镇进行了田间定位试验,运用氯仿熏蒸浸提法测定了土壤微生物量磷含量,研究了不同覆盖、不同耕作方式及不同轮作方式对土壤微生物量磷的影响.结果表明:轮作次序对不同耕作方式及不同覆盖条件下土壤微生物量磷没有影响;0～5 cm 土层中土壤微生物量磷含量免耕秸秆覆盖比传统耕作增加了29.1 %,比免耕增加了6.9 %,比传统耕作配合秸秆覆盖增加了5.8 %;免耕地膜覆盖土壤微生物量磷比传统耕作增加了15.7 %,免耕对土壤微生物量磷的影响主要表现在耕层;土壤微生物量磷的季节性变化呈冬季显著高于其他季节的趋势.
英文摘要	The effects of different cover, cultivation and rotation system on soil microbial biomass phosphorus(SMBP)of arid and semi-arid area were studied in this paper based on located field experiment; in Lijiabu village of Dingxi county,Gansu province. The soil microbial biomass phosphorus was measured; by the method of chloroform fumigation extration. The results showed that the rotation sequence had little; effect on SMBP of different cover and cultivation systems. No-till with straw cover increased 29.1%, 6.9%; and 5.8% of SMBP when compared with that of conventional tillage with no straw, no-till with no straw; cover and conventional tillage with straw 0~5 cm tier. SMBP through no-till with plastic mulch increased; 15.7% in cultivation tier. The biological activity of no-till showed mainly in cultivation tier. The season; change also showed that SMBP in winter was higher.
中文关键词	土壤微生物量磷 ; 耕作方式 ; 覆盖
英文关键词	soil microbial biomass phosphorus cover cultivation
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRICULTURE MULTIDISCIPLINARY
WOS研究方向	Agriculture
CSCD记录号	CSCD:2655951
来源机构	甘肃农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/219632
作者单位	1.甘肃农业大学资源与环境学院, 兰州, 甘肃 730070, 中国; 2.甘肃农业大学农学院, 兰州, 甘肃 730070, 中国
推荐引用方式 GB/T 7714	张丽华,黄高宝,张仁陟. 旱作条件下不同覆盖及耕作方式对土壤微生物量磷的影响[J]. 甘肃农业大学,2006,41(6):98-101.
APA	张丽华,黄高宝,&张仁陟.(2006).旱作条件下不同覆盖及耕作方式对土壤微生物量磷的影响.,41(6),98-101.
MLA	张丽华,et al."旱作条件下不同覆盖及耕作方式对土壤微生物量磷的影响".41.6(2006):98-101.