摘要
以春小麦高原448、高原437、高原602和阿勃为供试品种,采用L16(43)正交设计,研究不同水分下限(田间持水量的50%、60%、70%和CK)和施肥量(0、105、210和315 kg/hm^2)下春小麦产量和水分利用效率的差异。结果表明:不同因素水平对春小麦产量和水分利用效率影响显著。其中,产量表现为品种高原448、高原437>高原602、阿勃,水分下限CK≥60%、70%>50%,施肥210 kg/hm^2≥105 kg/hm^2、315 kg/hm^2≥0 kg/hm^2;水分利用效率表现为高原448≥高原437≥高原602≥阿勃,水分下限50%、60%、70%>CK,施肥105 kg/hm^2、210 kg/hm^2、315 kg/hm^2>0kg/hm^2。为了达到节水高产的目的,试验的最优组合为春小麦品种高原448,控水水分下限在60%或70%,施肥条件210 kg/hm^2。
Four spring wheat of plateau448, plateau437, plateau602 and Abbondanza were chosen to conduct fieht experiments, which were designed by L16（43） , to research the differences of the water use efficiency and yield under different water low limit （50%, 60%, 70% of the field capacity and CK）and different fertilizers （0, 105, 210 and 315 kg/hm^2）. The results showed that different levels of factors had significant effects on water use efficiency and yield of spring wheat. Plateau 448 and plateau 437 had higher yield than plateau 602 and Abbondanza. The yield of the treatment with CK water level was greater than or equal to that of the treatment with 60% and70% water level and was higher than that of the treatment with 50% water level, the yield of fertilizer level 210 kg/hm^2 was greater than or equal to that of fertilizer level 105 and 315 kg/hm^2 and was greater than or equal to that of 0 fertilizer level kg/hm^2 ; water use efficiency of plateau 448 was greater than or equal to those of plateau 437, plateau 602 and Abbondanza ; WUE of water level CK was higher than that of water level 60%, 70% and 50%. Fertilizer had higher WUE than no fertilizer. The optimization scheme for highest WUE and yield was plateau 448, soil water of 60% and 70% and fertilizer level 210 kg/hm^2.
作者
连利叶
贺康宁
李润杰
温军
张金旭
LIAN Li-ye HE Kang-ning LI Run-jie WEN Jun ZHANG Jin-xu(School of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China Qinghai Key Laboratory of Basin Water Cycle and Ecology, Qinghai Water Resources and Hydropower Science and Technology Development Co., LTD or Qinghai Institute of Water resources and Hydropower, Xining 810001, China)
出处
《节水灌溉》
北大核心
2017年第7期34-37,共4页
Water Saving Irrigation
基金
水利部科技推广计划项目(TG1301)
青海省科技项目(2015-ZJ-902,2016-GX-G06,2015KX08)
关键词
柴达木盆地
春小麦
水肥耦合
产量
水分利用效率
Qaidam Basin spring
wheat
water and fertilizer coupling
yield
water use efficiency
