姚晓红;许彦平;王润元;姚晓琳;
YAO Xiao-hong1,2,XU Yan-ping2,WANG Run-yuan1,YAO Xiao-lin3(1.Lanzhou Institute of Arid Meteorology, Key Laboratory of Arid Climate Change and Disaster Reduction, China Meteorological Administration and Gansu Province, Lanzhou,730020, China; 2. Tianshui Agrometeorological Experimental Station; 3. Tianshui Meteorological Bureau)
摘要: 利用2000-2001年在天水烤烟主种植区进行垄上地膜覆盖、垄沟平凹地膜覆盖和无膜烟田(CK)对照试验的观测资料,分析得出:烟田覆膜具有明显的增温保湿效应,且以垄沟平凹覆膜形式的增温保湿效应最佳,因此,垄沟平凹地膜覆盖下烤烟生育期明显提前,生长速度显著加快,中、上等烟比例和产值也明显高于其它烟田。