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2. In the greenhouse, how to determine the appropriate irrigation period, irrigation temperature, irrigation amount and irrigation method is the key to achieve reasonable irrigation. For greenhouse irrigation water, the water temperature should be maintained at 20 °C ~ 25 °C, more than 28 °C will damage the vegetable roots, causing greenhouse vegetable diseases.
3. Multi-purpose organic fertilizer, deep-plowing and cultivating soils year by year, choose high-quality organic fertilizer with good quality to be applied as base fertilizer about 1 month before the shed, the application rate is generally 1~1.5 times of the field, that is, 3000~10000 kg per mu, and Deeply ploughing year by year, thickening the tillage layer to achieve the integration of soil and fertilizer, and improve the physical and chemical properties of the soil.
4. Effectively solve salt damage. For plots where salt damage has occurred, it can be solved by applying organic fertilizers by selecting salt-tolerant vegetables such as cabbage, spinach, pumpkin, celery and broccoli. It is also very effective to change the soil to remove salt or soak the fields.
Anti-season vegetable fertilization new method
1. Application of organic fertilizer should be decomposed, especially chicken manure, requiring high degree of maturity and early application. It is strictly forbidden to stack in the shed for a long time. The organic fertilizer can be applied together with the inorganic fertilizer. If a part of the inorganic fertilizer is taken out for foliar spraying, and the new high-fat film introduced in the Taobao guide is used together, the value is higher.
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