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我县西瓜露地栽培发展为地膜覆盖进入80年代后期温栽培。该技术比露地栽培提早上市20～30天,比地膜覆盖提早10～15天,单产也均较之为高。1991年全县西瓜总面积5500亩,其中双层薄膜保温栽培50％,最高单产5600公斤亩产值1320元。栽培技术要点是: 1.选地与整地 选择土层肥沃深厚,排灌方便的田块,在头年秋冬全面翻耕,使其风化,初步整成宽3.0—3.5米的畦,并开好深
My county watermelon open field cultivation and development for the plastic film into the late 80s warm cultivation. The technology is listed 20 to 30 days earlier than the open field cultivation, 10 to 15 days earlier than the mulching, the yield is also higher than that. In 1991 the county watermelon a total area of 5,500 acres, of which double-layer film insulation cultivation 50%, the highest yield 5600 kilograms per mu output value of 1320 yuan. The main points of cultivation techniques are as follows: 1. Selection of site and land preparation Select the plots of fertile soil and convenient drainage and irrigation, fully tillage in the autumn and winter of the first year to make it weathering. The tuna of 3.0-3.5 m in width is initially formed,