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一、问题的提出: 珍珠矮作二晚栽培在我县已有好几年的历史了,广大贫下中农经过多年来的生产实践,初步掌握了种好珍珠矮翻秋的一些规律,因而种植面积逐年扩大,单产水平不断提高。但事物都是一分为二的,有些地方也有失败的教训:主要是珍珠矮作二晚栽培,感温性敏感,播种早了早穗减产,迟了受冻歉收。我县一般是七月一日——五日播种,
First, the question put forward: Pearl dwarf two nights cultivation in our county has several years of history, the majority of poor and middle-aged peasants after years of production practice, initially mastered the law of planting a good pear short turn autumn, so planted year by year Expand, continue to raise the level of yield. However, things are divided into two parts, there are some failed lessons: the main pearl dwarf for two nights cultivation, temperature sensitivity, seeding early early cut production, late by the cold harvest. My county is generally July 1 - sowing on the 5th,