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苏联专家卢森科同志,在1951年所写的“棉花栽培技术要点”里提出了棉花在播种前晒种的问题,他提到:“在华北地区,棉花收获时期,正是气温日渐降低,湿度日渐增高的时节,因此往往影响棉子的后热作用,到播种的时候,种子后熟作用向未完成,这种种子的生活力及发芽率是很低的。”又说“播种前的棉种曝晒工作,可以提高种子的发芽率,据乌克兰棉花栽培研究所实验证明,经过曝晒的棉种,生活力及发
Comrade Luschenko, a Soviet expert, put forward the question of cotton seeding before sowing in ”The Essentials of Cotton Cultivation“ written in 1951. He said: ”In North China, when cotton was harvested, it was the temperature Decreasingly, the season of increasing humidity, so often affect the post-thermal effect of cotton, to sowing, seed ripening to the unfinished, the seed of vitality and germination rate is very low. "Before sowing cotton seed exposure work, can improve the germination rate of the seed, according to the Ukrainian Cotton Research Institute experiments show that after exposure to cotton seed, vitality and hair