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规划关根据退耕还林总体规划和年度任务,落实地块,精确测量面积,根据地形、土质、水浇条件选择最适宜当地发展的造林模式,然后根据造林树种栽植密度统一规划定点,做到横成垅,竖成行,整齐一致。整地关在定植点挖长、宽、深各80厘米的植树坑,表土心土分别放置,砂砾土、粗砂地、瘠薄地采取客土造林,每个树坑换0.5立方米好土。
According to the overall planning and annual tasks of returning the grain plots to forestry, the implementation of plots, accurate measurement of area, according to the topography, soil quality, watering conditions, the most suitable for local development of afforestation model selection, and then planted according to afforestation tree planting density uniform plan, Cheng 垅, vertical line, neat and unanimous. Land preparation and digging in the long, wide, deep 80 cm tree planting pit, top soil are placed separately, gravel soil, coarse sand, barren land to take guest afforestation, each tree pit for 0.5 cubic meters of good soil.