论文部分内容阅读
随着科技事业的发展,近几年来进行了将窄膜(60-70cm)一膜种两行改为宽膜(140-145cm)一膜种四行的植棉技术的研究,结果表明,宽膜比窄膜植棉播种早1-3天,出苗早2-3天,现蕾早3-4天,开花早4-5天、吐絮早4-5天,霜前花增加10%-15%,皮棉单产155-1631kg/ha,比
With the development of science and technology, in recent years, a film of narrow film (60-70cm) two lines to wide film (140-145cm) a film of four lines of cotton technology research results show that the width The membrane is planted 1-3 days earlier than the narrow-film cotton planting, 2-3 days early emergence, 3-4 days early budding, 4-5 days early flowering, 4-5 days bolting as early as before, frost flower increased by 10% -15 %, Lint yield 155-1631kg / ha, than