耐盐碱树种的选择盐渍土在世界五大洲都有分布，盐渍土面积占陆地总面积１０％。我国有盐渍土面积４亿多亩，分布范围从热带海南岛到寒温带黑龙江省，从东部沿海之滨到西部青藏高原，都有盐碱土。我国从５０年代开始在盐碱土上造林，７０年代开始对盐渍土综合治理，利用乔... Selection of salt-tolerant species Saline soils are distributed on five continents, with a saline soil area accounting for 10% of the total land area. China has saline soil area 400 million mu, ranging from the tropical Hainan Island to the cold temperate Heilongjiang Province, from the eastern coast to the western Tibetan Plateau, there are saline soil. Since the 1950s, our country afforestation on saline-alkali soil, 70 years began comprehensive treatment of saline soil, the use of Joe ...