期刊文献+

调亏灌溉对蚕豆产量和水分利用效率的影响 被引量:6

Effect of regulated deficit irrigation on water use efficiency and yield of broad bean
下载PDF
导出
摘要 通过大田试验,在甘肃秦王川灌区研究了调亏灌溉下蚕豆的产量、水分利用效率和经济效益,发现在苗期或拔节期轻度缺水条件下(土壤含水率为田间持水量的60%~65%),比充分灌溉条件下(土壤含水率为田间持水量的70%~75%)蚕豆增产14.05%和9.09%,节水10.92%和4.14%,经济效益提高16.16%和21.94%.因此认为,苗期或拔节期轻度水分亏缺是蚕豆调亏灌溉的适宜调亏时期和适宜调亏程度. Based on field experiment, the effect of regulated deficit irrigation on yield, water use efficiency and economic benefits of broad bean were studied in Qinwangchuan irrigation region. The results showed that the yield of broad bean increased 14.05 % and 9.09 %,saved water 10.92 % and 4.14 % and increased economic benefits 16.16% and 21.94 %(soil moisture maintained at 60 -65 % of field capacity)by light water deficit in seeding or jointing compared with full irrigation treatment(soil moisture maintained at 70 %-75 % of field capacity). So the light water deficit in seeding or jointing can be considered the optimum deficit stage and deficit degree.
出处 《甘肃农业大学学报》 CAS CSCD 2007年第4期123-126,共4页 Journal of Gansu Agricultural University
基金 教育部世行贷款国家级高等理工科教改研究项目(1282B12071).
关键词 调亏灌溉 蚕豆 产量 水分利用率 经济效益 regulated deficit irrigation broad bean yield water use efficiency economic benefit
  • 引文网络
  • 相关文献

参考文献13

二级参考文献60

共引文献161

同被引文献86

引证文献6

二级引证文献26

;
使用帮助 返回顶部