In order to improve the flowering pod rate of cowpea and reduce the flowering and falling pods, the vegetable farmers often apply boron fertilizer at the flowering stage. Over time, it is customary to become natural, and the application of boron fertilizer at the flowering stage has become a routine technical measure for farmers to prevent the pods from falling.
However, the effect of supplementing boron fertilizer in the flowering stage of cowpea is not good. The reason: First, the application of boron fertilizer at the flowering stage does not change the problem caused by boron deficiency in the early stage, and the effect cannot be immediate. The second is to apply boron fertilizer at the flowering stage, and the solution will spray the head of the flower to directly affect the pollination. Third, the requirements for the concentration of boron in the flowering period of the cowpea are unknown, and it is best to avoid this sensitive period.
So, at what time is it suitable for the application of boron fertilizer? The author believes that the best application of boron fertilizer can be applied with the base fertilizer before the cowpea is planted, and 2 kg of borax can be applied per acre. The application can be applied with borax 600 times liquid or tempo boron 1200~1500 times liquid 7 days before the flowering period. The effect is better. In addition, it should be emphasized that most of the boron deficiency in vegetable fields is caused by the soil being too dry and the roots of the plant are blocked. Therefore, in the growing season of cowpeas, we must pay attention to timely watering to prevent excessive soil drought. (Slip County Liu Huimin)
However, the effect of supplementing boron fertilizer in the flowering stage of cowpea is not good. The reason: First, the application of boron fertilizer at the flowering stage does not change the problem caused by boron deficiency in the early stage, and the effect cannot be immediate. The second is to apply boron fertilizer at the flowering stage, and the solution will spray the head of the flower to directly affect the pollination. Third, the requirements for the concentration of boron in the flowering period of the cowpea are unknown, and it is best to avoid this sensitive period.
So, at what time is it suitable for the application of boron fertilizer? The author believes that the best application of boron fertilizer can be applied with the base fertilizer before the cowpea is planted, and 2 kg of borax can be applied per acre. The application can be applied with borax 600 times liquid or tempo boron 1200~1500 times liquid 7 days before the flowering period. The effect is better. In addition, it should be emphasized that most of the boron deficiency in vegetable fields is caused by the soil being too dry and the roots of the plant are blocked. Therefore, in the growing season of cowpeas, we must pay attention to timely watering to prevent excessive soil drought. (Slip County Liu Huimin)
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