硼是农作物正常生长发育不可缺少的微量元素。硼对农作物形成繁殖器官有重要的作用,可以加速花的发育,增加花粉数量,促进花粉粒的萌发和花粉管的生长;可以促进豆科绿肥作物根瘤的形成,增强根瘤的固氮能力;可以促进蛋白质的合成、提高含糖量;硼肥还能部分抵消土地因含碱量大的不良作用。如果农作物缺硼,则花内雌雄蕊停止发 Boron is an indispensable trace element for the normal growth and development of crops. Boron can play an important role in the formation of reproductive organs of crops, which can accelerate the development of flowers, increase the number of pollens, promote the germination of pollen grains and the growth of pollen tubes. It can promote the formation of nodules of leguminous green manure crops and enhance the nitrogen fixation ability of nodules. Protein synthesis, increase sugar content; boron fertilizer can also partially offset the adverse effects of alkali because of the large amount of land. If the crops lack of boron, the flower stamens stop hair