Increase the amount of water and fertilizer during tomato picking in the greenhouse

Increase the amount of water and fertilizer to promote fruit picking. At this stage, the amount of water and fertilizer for tomatoes should be further strengthened. On the one hand, the temperature rises, and the growth of tomatoes is strengthened; on the other hand, when the harvesting season is in full bloom, when a large number of fruits are picked, it is necessary to increase the amount of water and fertilizer to ensure the concentration of tomato production. But it does not mean that every time you water, you must flush the fertilizer into the ground. Use three water and two fertilizer measures, that is, water three times, flush two fertilizers, and empty the remaining one to give the tomatoes a buffer space. . Watering should be done every 7 days in normal weather, combining large water and small water, once large water and once small water. The top dressing is mainly nitrogen, phosphorus and potassium flushing fertilization, supplemented by other types of biological bacterial fertilizers, each acre can be flushed twice with urea 12.5-15 kg + Ciba dihydrogen potassium 1.5-2 kg, supplementing nitrogen, phosphorus and potassium to promote fruit expansion And the coloring of the fruit, once more Yiwei 500g/mu, promote rooting.

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