Tree cutting organizations or private individuals shall, in accordance with the area, number of trees, tree species and period of time specified in the cutting license, finish the reforestation task; the area and number of trees in the reforestation shall not be smaller than those cut.
采伐林木的单位或者个人，必须按照采伐许可证规定的面积、株数、树种、期限完成
林任务，林的面积和株数不得少于采伐的面积和株数。
Abstract : In dry area or sandy dryland, for the reason of scarce rainfall, windiness and lack of labor power and material resources, the low survivor ratio of afforestation were common.
要 ： 在干旱或荒漠地区林，降雨稀少，风多且风
，
人力、物力的贫乏等原因，导致林成活率低。
Production of some clonally seeds were low, these lines were easy to be lost while planting.
由于部分无性系种子产量低，育苗、林时这些家系容易丢失。
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