我县多年多点棉花施硼试验证明，在潜在性缺硼棉田，施用硼肥，能够促进棉花生长发育，增加产量，改善品质。平均施硼比对照亩增皮棉6．1公斤。这是一项成本少、经济效益高、方法简便易行的增产措施。棉花施四的主要技术是：“一、明风相田缺现状况棉田速效硼含量低于外ZPPm时 Many years of cotton application in our county have proved that the application of boron fertilizer to boron-deficient cotton fields can promote cotton growth, increase yield and improve quality. The average boron than the control of mu lint 6.1 kg. This is a less cost, high economic efficiency, simple and easy way to increase production. The main technology of cotton four is: "First, the lack of Mingfangtian status of cotton available boron content below the outer ZPPm