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近几年来,合肥市郊区莲藕栽培面积已成倍发展扩大,除满足本市供应外,还大量远销北方各大城市,是一种很有前途的蔬菜产品。在栽培技术上,已由低洼池塘零星水长,发展到正规水旱田地连片生产。一般亩产鲜藕3,000—5,000斤。亩产值可获800—1,000元(副产品不计)。当年产量产值都很高。但经两年连作之后,水草病虫增多,产量锐降。如果藕田回旱,则因土冷地瘦,旱作不长,基本无收。这种年际之间的产量与收入的不平衡与
In recent years, Hefei suburbs lotus root cultivation area has doubled the development and expansion, in addition to meet the supply of the city, but also a large number of exported to major cities in the North, is a promising vegetable products. In cultivation techniques, from low-lying pond sporadic water long, developed to formal water and land contiguous production. Common lotus root yield 3,000-5,000 pounds. Output per mu will be 800-1,000 yuan (by-product excluding). The output value of the year were high. However, after two years of continuous production, plant pests and diseases increased and their production dropped sharply. If Outian back to drought, because of cold soil to the lean, drought is not long, basically no income. This imbalance between output and income over this period