加强水土保持工作促进我省经济发展孙魁文（黑龙江省人民政府，哈尔滨市１５０００１）黑龙江省地处我国的东北边陲，是国家木材、石油、煤炭、粮食生产基地。全省总土地面积４５．５万多ｋｍ２，按地貌类型大体上是五山一水一草三分田。几十年来，人们赞誉的这片黑土地，... Strengthening Soil and Water Conservation Work and Promoting Economic Development in Shaanxi Province SUN Kuiwen (People’s Government of Heilongjiang Province, Harbin 150001) Heilongjiang Province, located in the northeastern margin of China, is a national wood, petroleum, coal and grain production base. The province’s total land area of ​​455,000 km2, according to the landscape type is generally five hills and one water and one grass three points. For decades, people praise this piece of black land, ...