干旱区生态环境知识资源中心(Arid): 气候变化背景下中国南方地区季节性干旱特征与适应Ⅵ.防旱避灾种植模式优化布局

Arid

	气候变化背景下中国南方地区季节性干旱特征与适应Ⅵ.防旱避灾种植模式优化布局
其他题名	Characteristics of seasonal drought and its adaptation in southern China under the background of global climate change.Ⅵ. Optimized layout of cropping system for preventing and avoiding drought disaster
	隋月 1; 黄晚华 1; 杨晓光 1; 李茂松 2
来源期刊	应用生态学报
ISSN	1001-9332
出版年	2013
卷号	24 期号:11 页码:3192-3198
中文摘要	南方地区是我国重要的农业种植区,季节性干旱严重影响该地区的农业生产.本文基于南方地区不同干旱分区中选取的13个典型地区19812007年气象资料和作物生育期、产量等资料,依据各地逐年降水量将其分为干旱年、正常年和丰水年3种不同降水年型,利用作物水分临界期需水量与降水量的耦合度、气象产量、单位面积产值以及全生育期的水分利用效率和降水量5个指标,对典型地区种植模式的综合效益进行评价,得到南方不同区域不同降水年型下的优化种植模式.结果表明: 半干旱区在干旱年型下,宜采取2种抗旱种植模式:马铃-玉米-甘薯和冬小麦-中稻-甘薯.半湿润区在干旱年型下,种植模式以冬小麦-中稻-甘薯最优,油菜-中稻-甘薯次之.在温润区(即典型的季节性干旱区),江南地区在3种年型下均以马铃薯-双季稻最优;西南地区宜搭配抗旱作物进行三熟制种植,如冬小麦-中稻-甘薯、冬小麦-玉米-甘薯、马铃薯-双季稻等.从最大程度利用水热资源角度考虑,三熟种植模式最优,以水旱轮作为主,丰水年型宜搭配水稻.
英文摘要	Southern China is an important agricultural planting region of China, but the seasonal drought severely impacted the regional agricultural production. Based on the 1981-2007 meteorological data from 13 typical meteorological stations in the seasonal drought areas in southern China and the data of related crops growth period and yield, three precipitation year types (drought year, normal year, and wet year) were classified based on the yearly precipitation, and by using five indices (coupling degree of water requirement and precipitation during crop water critical stages, meteorological crop yield, output value per unit area, and water use efficiency and precipitation during whole growth period), the comprehensive benefit of all possible cropping patterns in each typical region was evaluated, and the optimal cropping patterns in the different regions of southern China in different precipitation years were obtained. In the semi-arid region, the optimal cropping patterns in dry year included potato-maize-sweet potato and winter wheat-rice-sweet potato. In the semi-humid region and during dry year, winter wheat-rice-sweet potato was the best choice, and rape seed-rice-sweet potato was the second one. In the warm and humid region (the typical region where seasonal drought happened), the best cropping pattern in Jiangnan area in different precipitation years was potato-double cropping rice, and the suitable patterns in southwest area were the triple cropping systems with drought-resistant crops, such as winter wheat-rice-sweet potato, winter wheat-maize-sweet potato, and potato-double cropping rice. From the aspect of maximally utilizing water and heat resources, triple cropping would be the best choice, with the rice and upland crop rotation as the main and with the rice arranged in pairs in wet year.
中文关键词	种植模式优化 ; 南方地区 ; 防旱避灾 ; 降水年型
英文关键词	optimized cropping system southern China preventing and avoiding drought disaster precipitation year type
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:4988893
来源机构	中国农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/230421
作者单位	1.中国农业大学资源与环境学院, 北京 100193, 中国; 2.中国农业科学院农业资源与农业区划研究所, 北京 100081, 中国
推荐引用方式 GB/T 7714	隋月,黄晚华,杨晓光,等. 气候变化背景下中国南方地区季节性干旱特征与适应Ⅵ.防旱避灾种植模式优化布局[J]. 中国农业大学,2013,24(11):3192-3198.
APA	隋月,黄晚华,杨晓光,&李茂松.(2013).气候变化背景下中国南方地区季节性干旱特征与适应Ⅵ.防旱避灾种植模式优化布局.应用生态学报,24(11),3192-3198.
MLA	隋月,et al."气候变化背景下中国南方地区季节性干旱特征与适应Ⅵ.防旱避灾种植模式优化布局".应用生态学报 24.11(2013):3192-3198.