黄土丘陵沟壑区山地果园集流高效利用技术研究

对黄土丘陵沟壑区山地果园集流节水利用的定位试验观测和分析的结果表明 :将果园修成“回”字形集水面 ,将超渗产流蓄贮 ,既可以减少果园水土流失 ,又能满足果树旱季用水 ;采用地膜覆盖、秸秆覆盖、绿色覆盖措施可以有效地减少地面蒸发 ,调节地表温度 ,增加土壤有机质 ,达到高效利用雨水资源的目的。该技术具有简便、实用、经济效益高的特点 ,适宜在生产中大力推广应用

Study on High Efficiency Technology of Water Collection in Hillside Orchards in Gullied Rolling Loess Area

It is shown by the results of observation and analysis on the tests of water collection and saving utilization of hillside orchards located in the gullied rolling loess area that to build two encircling water collection works in the orchard to store excess rain. This can not only reduce the water and soil loss of orchards, but also meet the requirements of water used in a dry season. The measures of using plastic films, plant stocks and plants cover can effectively reduce the evaporation of ground surface, regulate the surface temperature, increase soil organic substance and reach the objective of utilizing rainfall resources in a high efficient way. The technology has the characteristics of simple, practical, economic and high efficiency and is suitable to be widely extended and applied in production.