棉花缺硼及补救棉花是对硼较为敏感的作物，缺硼会在现出矮化，顶芽茎缩，腋芽丛生形成多头棉，叶脉失绿，叶片皱缩反卷，叶柄出现环带等症状。缺硼棉花果节数少而短，花小而少，花不易伸出张开，花粉活力差。幼龄发育迟缓，易脱落，造成蕾而不花或花而不实。棉花缺硼的补... Cotton boron deficiency and recovery of cotton is more sensitive to boron crops, boron deficiency will appear in dwarf, top bud stem shrinkage, formation of axillary buds long cotton, veins green, leaf wrinkles and anti-rolling, petioles appear ring and other symptoms . Boron deficiency cotton knot less and shorter, small and small flowers, flowers are not easy to stretch out, poor pollen vitality. Juvenile growth retardation, easy to fall off, resulting in bud without flowers or flowers but not real. Cotton lack of boron fill ...