油菜是对硼最敏感的作物。在缺硼土壤和潜在性缺硼的土壤中种植油菜,其根、茎、叶、花、蕾、果都不能正常生长发育,特别是角果会因其花器的退化而出现阴角,造成“花而不实”,导致菜籽产量明显降低。油菜苗期需硼不多,但却是油菜一生中对硼最敏感的时期。苗期缺硼会带来“花而不 Rape is the most sensitive crop to boron. Roots, stems, leaves, flowers, buds and fruit can not grow and develop normally in boron-deficient soils and potentially boron-deficient soils. In particular, Blossoming but not real “, resulting in significantly lower rapeseed production. Rape seedlings need less boron, but it is the rape’s life’s most sensitive period of boron. Boron deficiency seedlings will bring ”flowers instead