Arid
DOI10.1016/j.agwat.2009.03.011
Evapotranspiration and responses to irrigation of broccoli
Lopez-Urrea, R.1; Montoro, A.1; Lopez-Fuster, P.1; Fereres, E.2,3
通讯作者Lopez-Urrea, R.
来源期刊AGRICULTURAL WATER MANAGEMENT
ISSN0378-3774
EISSN1873-2283
出版年2009
卷号96期号:7页码:1155-1161
英文摘要

In cold, semi-arid areas, the options for crop diversification are limited by climate and by the water supply available. Growing irrigated crops outside the main season is not easy, because of climatic and market constraints. We carried out an experiment in Albacete, Central Spain, to measure the water use (evapotranspiration, ET) of broccoli (Brassica oleracea L. var. italica Plenck) planted in late summer and harvested at the end of fall. A weighing lysimeter was used to measure the seasonal ET under sprinkler irrigation. Consumptive use reached 359 mm for a period of 109 days after transplanting. The crop coefficient (K-c) for broccoli was obtained and compared to the standard recommendations for normal planting dates. Dual crop coefficient computations of the lysimeter ET data indicated that evaporation represented 31% of seasonal ET. An analysis of the variation in daily K-c values at a time of full cover suggested that the use of a grass lysimeter as a reference ET (ETo) was superior to using the ASCE Penman-Monteith (ASCE PM) equation at hourly time steps, which in turn caused less variability in K-c than when using the FAO-56 Penman-Monteith (FAO-56 PM) equation at daily time steps for the ETo. calculation. An additional experiment aimed at evaluating the yield response to applied irrigation water by the drip method (seven treatments, from 59 to 108% of ETc) generated a production function that gave maximum yields of near 12 t ha(-1) at an irrigation level of 345 mm, and a water use efficiency of 3.37 kg m(-3). it is concluded that growing broccoli in the fall season is a viable alternative for crop diversification, as the lower yields obtained here may be more than compensated for by the higher produce prices in autumn, at a time of the year where irrigation water demand for other crops is very low. (C) 2009 Elsevier B.V. All rights reserved.


英文关键词Single crop coefficient Dual crop coefficient Water use efficiency Lysimeter Growing degree days
类型Article
语种英语
国家Spain
收录类别SCI-E
WOS记录号WOS:000266338100012
WOS关键词SUPPLEMENTAL IRRIGATION ; WATER PRODUCTIVITY ; CROP COEFFICIENTS ; VEGETABLE CROPS ; YIELD ; NITROGEN ; MANAGEMENT ; EQUATIONS
WOS类目Agronomy ; Water Resources
WOS研究方向Agriculture ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/159601
作者单位1.ITAP, Albacete 02080, Spain;
2.CSIC, Inst Agr Sostenible, Cordoba 14080, Spain;
3.Univ Cordoba, Dept Agron, E-14080 Cordoba, Spain
推荐引用方式
GB/T 7714
Lopez-Urrea, R.,Montoro, A.,Lopez-Fuster, P.,et al. Evapotranspiration and responses to irrigation of broccoli[J],2009,96(7):1155-1161.
APA Lopez-Urrea, R.,Montoro, A.,Lopez-Fuster, P.,&Fereres, E..(2009).Evapotranspiration and responses to irrigation of broccoli.AGRICULTURAL WATER MANAGEMENT,96(7),1155-1161.
MLA Lopez-Urrea, R.,et al."Evapotranspiration and responses to irrigation of broccoli".AGRICULTURAL WATER MANAGEMENT 96.7(2009):1155-1161.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Lopez-Urrea, R.]的文章
[Montoro, A.]的文章
[Lopez-Fuster, P.]的文章
百度学术
百度学术中相似的文章
[Lopez-Urrea, R.]的文章
[Montoro, A.]的文章
[Lopez-Fuster, P.]的文章
必应学术
必应学术中相似的文章
[Lopez-Urrea, R.]的文章
[Montoro, A.]的文章
[Lopez-Fuster, P.]的文章
相关权益政策
暂无数据
收藏/分享

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。