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硼是水稻正常生育所不可缺少的微量元素之一,它的生理作用是氮磷钾三要素不可代替的。在许多研究者的论著中已有比较详尽的论述,并在旱田作物上报道较多。针对寒
Boron is one of the indispensable trace elements in the normal fertility of rice. Its physiological function is irreplaceable of the three elements of NPK. Many researchers have been more elaborate treatises, and more reports on the field crops. For the cold