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我国风沙区的飞播造林种草始于1958年。陕西榆林于1958年7月11日至8月11日,在90%以上为流动沙地的城西沙、东沙和西北沙撒播沙蒿、柠条、草木栖314,700亩,用种439,010斤,每亩播量1.4斤。从而揭开了陕北沙区飞播的历史。一、1958—1961年为榆林飞播造林种草初期阶段1958年,我国在大力开展水土保持造林种草的形势下,全国有陕西、甘肃、内蒙古、青海、宁夏、新疆等六省(区)在风沙地开展了飞播造林种草工作。陕西榆林在1958、1960、1961三年内飞播了987,570亩,用种888,966斤,采用的植物种有黑沙蒿、白沙蒿、草木栖、苜蓿、柠条、牛荆子、扫钱子等7种。试验内容:选择飞播植物种、选
China’s sand area of aerial seeding afforestation began in 1958. Shaanxi Yulin from July 11, 1958 to August 11, in more than 90% of the mobile sandy land of the Cheng Xisha, Dongsha and Northwest sand sowing Artemisia, Caragana, grass habitat 314,700 acres, with a planted 439,010 pounds, mu Seeding rate of 1.4 pounds. Thus unveiled the history of aerial broadcasting in the sandy area of northern Shaanxi. First, 1958-1961 Yulin aerial seeding early stage of planting grass In 1958, China vigorously carry out soil and water conservation and afforestation of the grass-roots situation, the country has Shaanxi, Gansu, Inner Mongolia, Qinghai, Ningxia, Xinjiang and other six provinces Wind and sand to carry out aerial seeding afforestation grass work. Shaanxi Yulin flew 987,570 mu within 3 years of 1958, 1960 and 1961, with 888,966 catties of seeds planted. Seven species of Artemisia scoparia, Artemisia annua, Medicago sativa, alfalfa, Caragana korshinskii, Test content: Choose sowing plant species, selection