喷施硼肥对白菜采种效果的研究

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<正> 硼是植物生长所必需的微量元素。大量的试验证明,硼对许多作物都有明显的增产作用。但在白菜采种方面未见系统报道。为此,我们于1988、1989年以叶面喷洒硼酸溶液的办法,研究了硼对白菜植株及开花结实的影响,肯定了其增产效果。并对一些具体运用技术原则进行了探讨。
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