干旱区生态环境知识资源中心(Arid): 秸秆和地膜覆盖下春玉米农田腾发特征研究

Arid

	秸秆和地膜覆盖下春玉米农田腾发特征研究
其他题名	Evapotranspiration characteristics of spring maize under film and straw mulch
	翟治芬; 赵元忠; 景明; 张建华; 卢艳敏
来源期刊	中国生态农业学报
ISSN	1671-3990
出版年	2010
卷号	18 期号:1 页码:62-66
中文摘要	通过大型称重式蒸渗仪和小型蒸发器测定秸秆和地膜覆盖下不同灌水处理春玉米地的腾发量, 并结合气象、春玉米叶面积及产量等数据比较不同覆盖方式和灌水处理的优越性. 分析了棵间蒸发量与降雨和灌水的脉冲性关系、降雨对腾发总量和参考作物腾发量的影响, 得到各处理下不同生育阶段春玉米棵间蒸发占腾发总量的比例为大-小-大, 且秸秆覆盖较地膜覆盖减少无效蒸发的作用强, 利用不同处理下腾发总量与叶面积指数所呈现的线性函数关系, 可求得春玉米各生育阶段的作物系数和全生育期的水分利用效率. 结果表明: 河西干旱地区适度调亏对水分利用效率影响不大, 地膜覆盖下种植春玉米比秸秆覆盖效果好
英文摘要	Using film and straw mulch and different irrigation methods, an experiment was conducted to determine evapotranspira-tion from spring maize land. Large-scale weighing lysimeter and miniature evaporator were used to measure evapotranspiration, which combined with weather, leaf area, yield data and other auxiliary data were used to compare the advantage of different mulch and irrigation methods. The measured data were analyzed to learn pulse relations between rainfall, irrigation with soil evaporation, and stage effect of rainfall on total and reference crop evapotranspiration. It is indicated that proportion of soil evaporation to evapotranspiration shows "high-low-high" changing rule at different growth stages. Straw mulch presents better effect on reducing invalid evapotranspiration than film mulch. The relation between evapotranspiration and leaf area index of different treatments is better with a much linear functional relationship. Trough the relationship model, crop coefficients for different growth stages of spring maize and water use efficiency for the entire growth period are determined. The experimental results indicate that deficient irrigation has little effect on water use efficiency in arid Hexi region. The effectiveness of deficient irrigation is better in spring maize with film mulch than with straw mulch
中文关键词	地膜覆盖 ; 秸秆覆盖 ; 腾发总量 ; 棵间蒸发 ; 调亏灌溉 ; 春玉米 ; 河西干旱地区
英文关键词	Film mulch Straw mulch Evapotranspiration Soil evaporation Deficient irrigation Spring maize Arid Hexi region
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:3963321
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/2XILL650/226055
作者单位	翟治芬, 甘肃农业大学工学院, 兰州, 甘肃 730070, 中国.; 张建华, 甘肃农业大学工学院, 兰州, 甘肃 730070, 中国.; 赵元忠, 甘肃省水利科学研究院, 兰州, 甘肃 730000, 中国.; 景明, 黄河水利科学研究院, 郑州, 河南 450003, 中国.; 卢艳敏, 衡水学院, 衡水, 河北 053000, 中国.
推荐引用方式 GB/T 7714	翟治芬,赵元忠,景明,等. 秸秆和地膜覆盖下春玉米农田腾发特征研究[J]. 甘肃农业大学,2010,18(1):62-66.
APA	翟治芬,赵元忠,景明,张建华,&卢艳敏.(2010).秸秆和地膜覆盖下春玉米农田腾发特征研究.中国生态农业学报,18(1),62-66.
MLA	翟治芬,et al."秸秆和地膜覆盖下春玉米农田腾发特征研究".中国生态农业学报 18.1(2010):62-66.