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鲜食玉米(即甜玉米和糯玉米),目前我国北方地区多为常规地膜栽培,一般6月下旬开始收获上市。近两年来我县试验双膜覆盖(地膜覆盖和塑料小拱棚相结合)提早栽培,使鲜食玉米比常规地膜栽培提早上市10～13天,每亩产值达3700元,纯收入达3300元以上,比常规地膜栽培每亩增加收入1700元以上,增收效果十分显著。现将鲜食玉米双覆膜早熟高效技术总结介绍如下:
Fresh corn (ie, sweet corn and waxy corn), at present, most of the northern part of our country is conventional film cultivation, and generally begins harvesting in late June. In the past two years, our county experimented with double-film mulching (the combination of plastic film mulch and plastic small shed) to cultivate early so that fresh corn was listed 10 to 13 days earlier than conventional mulching cultivation. The output value reached 3,700 yuan per mu and the net income reached 3,300 yuan , Than the conventional film cultivation of more than 1,700 yuan per mu income, the income effect is very significant. Now fresh corn double coating premature and efficient technology summarized as follows: