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长春市南关区马铃薯采用“三早”栽培技术,1990年种植500亩.平均亩产2000公斤,亩产值600元,经济效益显著,对增加农民经济收入和市场蔬菜供应都有很大意义,这一技术在城镇中远郊值得推广。主要栽培技术如下: 马铃薯“三早”,是指采用早热品种东农303)、提早催芽(阳光晒种)和适期早播种三项措施. 一、马铃薯栽培 1.选用早熟高产的东农308品种,该品种薯块黄皮黄肉,品质较好,产量比红纹向增产20％以上,由于当年新从黑龙江调进种薯,退化轻,增产潜力大。
Changchun City, South Gate District, the potato used “three early” cultivation techniques, planted 500 acres in 1990. The average yield 2000 kg, 600 acres of output value, significant economic benefits, to increase farmers’ economic income and market supply of vegetables are of great significance, This technology is worth popularizing in the suburbs of cities and towns. The main cultivation techniques are as follows: Potato “three early” refers to the use of early heat varieties Dongnong 303), early germination (sunlight sunburn) and early sowing three measures: First, the potato cultivation 1. Selection of early maturing and high yield Dongnong 308 varieties, the varieties yellow potato yellow meat, better quality, yield more than 20% increase over the red line, due to the year transferred from Heilongjiang seedlings, light degradation, large potential for production.