Solanaceous vegetables include tomatoes, eggplant, and bell peppers. The common characteristic of this kind of vegetables is the side budding, flowering, and the result. Therefore, we must pay attention to adjusting the contradiction between its vegetative growth and reproductive growth in order to obtain a good harvest.
Solanaceous vegetables need to supply sufficient nitrogen and phosphorus nutrients during the growth process. Insufficient nitrogen and phosphorus will not only delay flower bud differentiation but also affect flower development. After entering reproductive growth, the demand for phosphorus has increased dramatically. Phosphate fertilizer should be applied to control the amount of nitrogen fertilizer. Tomatoes enter the late growth period and lack potassium. Hollow fruit and tendon rot are often formed, which reduces the quality of high commodities.
From the point of view of nutrient absorption, sweet peppers are high-nitrogen, medium-phosphorus, and high-potassium vegetables, and eggplant and tomato are medium-nitrogen, medium-phosphorus, and medium-potassium vegetables. Therefore, in the production, only the requirement of fertility of the eggplant vegetables is followed by rational fertilization, and finally high yield and high quality can be achieved.
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