摘要
地膜覆盖可有效改善作物根部生态环境、减少地面糙率和地面蒸发。根据我国不同地区降雨、蒸发和作物种植等条件,提出长城风沙线以北高蒸发、少雨区,较为适宜的灌水方法有膜下滴灌技术、平膜覆盖膜孔灌水技术等;长城风沙线以南小麦适生区为中等降雨和蒸发强度地区,条播作物适宜的地膜灌水方法有垄膜覆盖膜缝灌水和膜孔灌水、平膜覆盖膜孔灌水等。
Film mulch can effectively meliorate the root entironrnent of crop and decrease ground roughness and evaporation. Based on the conditions of rainfall, evaporation and crop cultivation in different regions, this paper put forward that the suitable irrigation method in north region of the Great Wall wind and sand line, which is high evaporation and little rainfall region, included drip irrigation under film and film hole irrigation with flat film mulch et al, while the film irrigation method suitable to strip cultivation crops in south region of the Great Wall wind and sand line, which is middling evaporation and rainfall region, and suitable for planting wheat, included film slot irrigation with film mulch on the ridge, film hole irrigation and film hole irrigation with flat film mulch et al.
出处
《节水灌溉》
北大核心
2006年第2期13-15,共3页
Water Saving Irrigation
基金
"十五"节水农业重大专项(2002AA2Z4041)
关键词
地膜覆盖
膜下滴灌技术
膜孔灌水技术
垄膜覆盖
film mulch
drip irrigation under film
film hole irrigation
film mulch on the ridge
