梯级组合式开发利用盐碱泡效益高大安市叉干乡庆发村农民利用一口６０亩的天然盐碱荒泡，机井水源，实行泡底养鱼、边坡种稻、岸边植粮养猪养鹅的梯级开发，综合经营。１９９０－１９９３年共获纯利２９７６０元，亩均１２４元，收到显著的经济、生态效益，为松辽平原低洼... Cascade combination of the development and utilization of salty-cape benefit Gao’an City fork Ganxiang Qingfa village farmer use of a 60 acres of natural saline cassava, machine water, the bottom of the fish, slope planting rice, shore planting pigs Goose step development, integrated management. 1990-1993 total net profit 29,760 yuan, mu 124 yuan, received significant economic and ecological benefits for the Songliao plain low-lying ...