| 王晓凌,陈明灿,李凤民,李友军.垄沟覆膜集雨系统膜垄保墒增温对马铃薯产量的影响[J].干旱地区农业研究,2007,(3):11~16 |
| 垄沟覆膜集雨系统膜垄保墒增温对马铃薯产量的影响 |
| Effects of additional water and increased soil temperature on potato yields in Plastic-covered Ridge Rainwater-harvesting system |
| |
| DOI：10.7606/j.issn.1000-7601.2007.03.03 |
| 中文关键词: 马铃薯 半干旱地区 地膜覆盖 垄沟集雨 产量 |
| 英文关键词:potato semiarid region plastic mulch rainwater harvesting of ridge and furrow yield |
| 基金项目:中科院百人计划项目； 河南科技大学人才科学研究基金 |
|
| 摘要点击次数: 369 |
| 全文下载次数: 279 |
| 中文摘要: |
| 大田试验,观测半干旱黄土高原地区垄沟覆膜集雨系统中覆膜垄的增温保墒作用对马铃薯产量的影响。试验设4个处理,P30:30 cm宽垄覆膜,60 cm宽沟;P45:45 cm宽垄覆膜,60 cm宽沟;P60:60 cm宽垄覆膜,60cm宽沟;P0:裸地平作。结果表明,覆于垄上的地膜有提高垄下土壤温度和保持垄下土壤湿度的作用,集于沟中的部分降雨会渗透到垄下,形成降雨在沟中和垄下的分布。由于部分根系在膜垄下生长,从而使马铃薯受到地膜覆盖的增温保墒作用,生长迅速。P30、P45、P60的产量、水分利用效率显著高于裸地平作,而耗水量显著低于裸地平作。 |
| 英文摘要: |
| Field experiment were carried out to study effects of plastic-covered Ridges with additional water and increased soil temperature on potato yields in plastic film mulching on ridge for rainwater-harvesting system.The experiment included four treatments:(1) 30 cm wide ridge covered with plastic film(P30),(2) 45 cm wide ridge covered with plastic film(P45),(3) 60 cm wide ridge covered with plastic film(P60),(4) soil surface flat without covering(P0).The results showed that plastic film mulching could increase soil temperature in ridges and prevent soil evaporation.Rainfall harvested in furrows infiltrated into below ridges,which made rainfall distribute in furrows and below ridges.Part of potato' roots distributed in ridges which were mulched with plastic film,and this caused potato grow rapidly because of additional water and increased soil temperature.Yield and water use efficiency in P30,P45 and P60 were significantly higher than in P0.However,water use in P30,P45 and P60 were significantly lower than in P0. |
| 查看全文 查看/发表评论 下载PDF阅读器 |
| | |