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为了提高林业机械化水平,加快绿化国土的步伐,内蒙古自治区林业局决定,下述7种营林机械在全区推广使用。1.4BQD型气力喷播机。该机可喷播柠条、杨柴、沙打旺、苜蓿、籽蒿等多种植物的小粒种子。平均每小时可喷播350亩。每亩喷播成本为0.3元,比飞播少投资30～40%。该机用东方红—75拖拉机牵引,能在坡度14°以下的流动沙地上作业;用铁牛—55拖拉机牵引,适合在坡度12°以下的半固定
In order to improve the level of mechanization of forestry and speed up the pace of afforestation, Inner Mongolia Forestry Bureau decided that the following seven kinds of silviculture machinery will be popularized and used in the whole region. 1.4BQD type air-jet machine. The machine can spray Carambola, Yang Chai, Astragalus, alfalfa, Artemisia annua and other plants of small seeds. An average of 350 acres per hour can be sprayed. Sprayed cost per mu 0.3 yuan, less than the aerial sowing 30 to 40%. The machine is towed by Dongfanghong-75 tractor and can work on the flowing sandy land with a slope of less than 14 °. It is towed by a tractor of tractor -55 and suitable for semi-fixed at a slope of 12 ° or less