After ensuring that the grass thatch is covered with sufficient light, try to lift the grass thatch as early as possible to increase the light time. It is also possible to timely remove redundant branches, old leaves, diseased leaves, residual leaves, and hang reflective screens on the back wall to increase ventilation and light transmission in the shed and promote fruit coloring.
Balanced fertilization. Unreasonable application of fertilizers will seriously affect the coloring of the fruit. For example, if there is too much nitrogen, the plant will grow too strong. If the water is insufficient at this time, green shoulders will occur; nitrogen deficiency will cause yellowing of the shoulders; when potassium is lacking , The shoulders of the fruit are yellow-green, and the vascular bundles in the core of the fruit are lignified; when boron is deficient, the shoulders of the fruit remain green with necrotic spots. Nitrogen, phosphorus and potassium fertilizers should be added in time, and 1 kg of borax per mu is used to supplement boron fertilizer. In addition, every ear of fruit should be topdressed in time when it enters the swelling period. It can be flushed with a full-nutrient water-soluble compound fertilizer (15:15:30 or 20:10:30). Use 5 to 7.5 kg per mu to supplement nutrients to avoid nutrient supply. Unbalanced fruit coloration occurs.
Watering the soil frequently with small water should not be too dry, it is better to see dry and wet. Under fine weather at this stage, depending on the soil moisture, water it once every 10 days.
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