干旱区生态环境知识资源中心(Arid): 不同覆盖材料对土壤理化性状和微生物量碳氮含量的影响

Arid

	不同覆盖材料对土壤理化性状和微生物量碳氮含量的影响
其他题名	Effect of Different Mulching Materials on Physical and Chemical Characteristics of Soil and Microbial Biomass
	任江波; 李钠钾; 秦平伟; 陈庆明; 汪代斌; 江厚龙
来源期刊	西南农业学报
ISSN	1001-4829
出版年	2018
卷号	31 期号:10 页码:2140-2145
中文摘要	【目的】为探究不同地表覆盖材料在干旱半干旱地区农业生产中的适应性,本文在重庆市武隆县进行大田试验研究.【方法】试验共设置地膜覆盖( T1) 、小麦秸秆覆盖( T2) 、玉米秸秆覆盖( T3)等3种处理和无覆盖( CK)对土壤温度、含水率、养分状况和微生物量碳氮含量的影响.【结果】地表覆盖栽培具有良好的调温保墒效果,以T2最好,T3次之,覆盖塑料地膜的效果最差.地面覆盖后显著增加了土壤的速效氮、磷、钾含量,提高了土壤肥力;同时也降低了径流液中硝态氮、全磷和钾离子的浓度,起到了保肥的作用.其中,覆盖秸秆的保肥供肥效果最好,覆盖塑料地膜次之,裸地栽培的效果最差.覆盖地膜降低了土壤生物量碳氮含量,揭膜后又逐渐恢复到裸地栽培水平;覆盖秸秆的土壤微生物量碳氮含量较高,其中覆盖秸秆的效果好于覆盖玉米秸秆.【结论】地表覆盖可善了土壤理化性状,增强了保水保肥特性,以覆盖小麦秸秆和玉米秸秆的效果最好.
英文摘要	【Objective】In order to determine the appropriate surface mulching measures in semi-arid areas,an experiment with randomized block design was conducted. 【Method】The effects of three different soil surface mulching measures,including plastic film mulching (T1), wheat straw mulching (T2),maize straw mulching (T3) and CK (no mulching) on soil temperature,water,soil nutrients status,microbial biomass C,N. 【Result】The ground surface mulching cultivation technology buffer high soil temperature and preserve soil water. The three mulching treatments improved the characteristics of soil hydro-thermal property,the wheat straw mulching was the best,which followed by maize straw mulching and plastic film mulching compared to the CK. Also in treatments T1,T2,and T3,the contents soil available nitrogen, phosphorus and potassium increased significantly,with the soil fertility improved. Simultaneously,the mulching cultivation technology decreased the concentrations of NO_3~(-1),phosphor and K~(+1) in runoff,and played the role of preserving fertilizer. The effect of nutrient preservation and supply was significantly higher in mulching treatments than that in CK,particularly in wheat straw mulching then followed by maize straw mulching,plastic film mulching,and the differences among the mulching patterns reached a significant level at the different stages. The content of soil microbial biomass C and N were reduced by mulching plastic film,and then gradually restored to the CK level after removing the plastic film. Straw mulching increased the content of soil microbial biomass C and N,while wheat straw mulching was better than maize straw mulching.【Conclusion】Ground mulching can improve the soil physical and chemical characteristic,enhanced the retention properties of soil water and nutrient,and increased the yield of maize. Among the different mulching methods,straw mulching was the optimal one.
中文关键词	地表覆盖 ; 土壤养分 ; 微生物量碳氮 ; 玉米秸秆 ; 小麦秸秆
英文关键词	Ground mulching Soil nutrient Microbial biomass C and N Maize straw Wheat straw
类型	Article
语种	中文
国家	中国
收录类别	CSCD
WOS类目	Agriculture
WOS研究方向	Agriculture
CSCD记录号	CSCD:6366619
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/238516
作者单位	任江波, 重庆市烟草公司彭水分公司;;重庆烟草科学研究所, ;;, ;;, 重庆;;重庆 409600;;400715, 中国.; 秦平伟, 重庆市烟草公司彭水分公司;;重庆烟草科学研究所, ;;, ;;, 重庆;;重庆 409600;;400715, 中国.; 陈庆明, 重庆市烟草公司彭水分公司;;重庆烟草科学研究所, ;;, ;;, 重庆;;重庆 409600;;400715, 中国.; 李钠钾, 重庆市烟草公司彭水分公司, 重庆 409600, 中国.; 汪代斌, 重庆市烟草公司彭水分公司, 重庆 409600, 中国.; 江厚龙, 重庆市烟草公司彭水分公司, 重庆 409600, 中国.
推荐引用方式 GB/T 7714	任江波,李钠钾,秦平伟,等. 不同覆盖材料对土壤理化性状和微生物量碳氮含量的影响[J],2018,31(10):2140-2145.
APA	任江波,李钠钾,秦平伟,陈庆明,汪代斌,&江厚龙.(2018).不同覆盖材料对土壤理化性状和微生物量碳氮含量的影响.西南农业学报,31(10),2140-2145.
MLA	任江波,et al."不同覆盖材料对土壤理化性状和微生物量碳氮含量的影响".西南农业学报 31.10(2018):2140-2145.