不同水分处理对春玉米生态指标、耗水量及产量的影响  

Effects of Different Moisture Treatments on Ecological Index, Water Consumption and Yield of Spring Maize

作　　者：肖俊夫[1] 刘战东[1] 南纪琴[1] 于秀琴[2] 

机构地区：[1]中国农业科学院农田灌溉研究所,河南新乡453003 [2]辽宁省建平县灌溉试验站,辽宁建平122400

出　　处：《玉米科学》2010年第6期94-97,101,共5页Journal of Maize Sciences

基　　金：现代农业产业技术体系建设专项资金;国家科技基础性工作专项“中国农业气候资源数字化图集编制(”2007FY120100)

摘　　要：以春玉米为试验材料,通过防雨棚测坑种植,人工严格控制设置不同的土壤水分处理,研究不同水分处理对玉米植株生态指标、耗水量和产量的影响。结果表明,水分胁迫抑制了玉米的生长发育,高水分处理均具有较高的叶面积、株高及茎粗;轻度胁迫对各项指标影响不大,随着胁迫的进一步加深,各项生态指标均呈下降趋势;低水分处理产量明显降低,耗水量较小,后期植株衰老加速,成熟期提前;高水分处理存在奢侈性蒸腾蒸发,耗水量最高,产量低于轻度胁迫处理。通过产量与耗水量对比分析,确定当地春玉米适宜土壤水分指标控制下限。Under the condition of mobile rain-proof shelter,by cultivating in test-pit,controlling different soil water content strictly,a systematic study was conducted to the response of different soil water treatment on ecological index,water consumption and yield of spring maize during the growing period.The results indicated that water stress inhibited the growth and development of spring maize.The higher soil moisture treatment had a high leaf area,height and stem diameter;there was no obvious influence on light...

关 键 词：春玉米 土壤水分 生态指标 产量 耗水量 

分 类 号：S51[农业科学—作物学]