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洪泽湖滩地大部分是由河中冲积物形成的,地面真高一般在12—13.5米。土壤分为潮土类和沼泽土,pH值8—8.5,水位由年降雨量、淮河上游洪水注入及里下河农业用水而变化,一般水位为12.5米,枯水位为11米,最高水位达14.5米以上。长期以来这里树种单纯,仅有垂柳和少量的桑树生长,而且生产率较低,根据1985年林调资料:立地条件比较,好的滩地,22年生人工柳林,平均胸径仅13.5厘米,平均树高10.5米,每亩蓄积3.5立方米,柳构材积生长率为8.35%;立地条件差的低滩地,15年生柳林,平均胸径6.2厘米,平均树高5.7米,每亩蓄积0.8立方米。在淮河、淮龙、剪草、临淮、半城,成河6个林场中,经营总面积为25,557.9亩,林业用地为
Most of Hongzehu beach is formed by alluvial river, the ground is generally high in 12-13.5 meters. Soil is divided into alluvial soil and swamp soil, pH value of 8-8.5, the water level by the annual rainfall, the Huaihe River upstream flood irrigation and the Lixiahe agriculture water changes, the general water level is 12.5 meters, the water level is 11 meters, the highest level of up to 14.5 meters above. For a long time here, the species is simple, only weeping willow and a small amount of mulberry growth, and low productivity, according to the 1985 transfer data: site conditions, a good beach, 22-year-old artificial Liulin, average diameter only 13.5 cm, the average tree height 10.5 meters, acreage of 3.5 cubic meters per mu, willow volume growth rate of 8.35%; low ground conditions poor beach, 15-year-old willow forest, average diameter 6.2 cm, average tree height of 5.7 meters, 0.8 cubic meters per acre. In Huaihe, Huai Long, cut grass, Linhuai, half a city, Chenghe 6 forest farms, the total operating area of 25,557.9 acres, forestry land for