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一、前言 水土保持工作是一项改造自然的工作,目的在消灭某一地区酿成水土流失的自然的和社会经济的原因,并由此保证该地区生产的迅速提高和经济专业化和综合的发展。 为了做好水土保持工作,首先必须编制水土保持规划,包括土地资源利用,水利资源利用,劳动资源利用和其他各种生产条件的合理利用等等方面的规划。我们知道各地区的土壤构成,地貌类型、气候条件、社会经济和历史条件是不相同的,各地区经济地理上的位置也各异其处,这些条件往往适合于发展这种作物而不适合于发展其他种类的作物,适合于生长这一树
I. Preface Soil and water conservation work is a natural improvement project aimed at eliminating the natural and socio-economic causes of water and soil loss in a certain area and thus ensuring the rapid increase of production and economic specialization and integration in the area development of. In order to do a good job of soil and water conservation work, we must first prepare plans for soil and water conservation, including plans for the utilization of land resources, utilization of water resources, utilization of labor resources, and the rational utilization of various other production conditions. We know that the composition of the soil, the type of geomorphology, the climatic conditions, the socio-economic and historical conditions in each region are different, and the geographical location of each region is also different. These conditions are often suitable for the development of this crop and are not suitable for Growing other kinds of crops, suitable for growing this tree