The first inflorescence blooms. On the basis of watering the planting water after the planting, the watering should be controlled during the slow seedling period and after the slow seedling. Do not water it easily until the first spike flower blooms to prevent long growth and flower fall. Reduce watering to promote flowering and fruit setting and prevent falling flowers.

From the first inflorescence to the third inflorescence, watering should be strictly controlled to promote the deep development of the root system into the soil. Unless the growing point withers at noon, small water can be poured down the ditch. If there is too much water during this time, the plant Easy to grow long and prosperous, resulting in falling flowers and difficult to set fruit.

When the third inflorescence blooms, the first spikelet enters the expansion stage. At this time, watering should be started. The amount of water should be sufficient, but it should not be flooded with water, but watered under the film. Sufficient water can not only ensure the normal growth of stems and leaves, but also promote the development of fruits and promote fruit swelling.

Frosty season (mid-to-late December to early February): At this stage, the temperature is low, the light is weak, and plant growth and fruit growth are slow. Watering must be properly controlled.

The warming period after mid-February: the temperature gradually increases, the growth of plants and fruits accelerates, and the water demand gradually increases. You should choose to water in the morning on a sunny day and gradually increase the number of watering. Watering is about once on the 15th to 20th in spring. Master the principle of "watering the fruit without watering the flowers" to prevent reducing the fruit setting rate.

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