Greenhouse vegetable production management

1, grasp the "cold tail warmer" weather timely planting. To reach the age of vegetable seedlings, planted in time when the weather is fine, planting techniques require seedlings with fertilizer, with medicine, with soil colonization, and to cover the film to ensure the normal growth of seedlings. 2, Qinggou drainage. Due to persistent rain, soil moisture in the field is saturated. It is required to do well drainage work around the greenhouses and fields to ensure the smooth drainage of the field and reduce the groundwater level in the shed. 3, warm antifreeze. During the early spring period, greenhouse vegetable production must pay special attention to prevent the “cold spring” invasion and cause unnecessary losses. 4, control gray mold. The first is to enhance ventilation and reduce the relative humidity in the shed; the second is to keep the shed film clean and transparent, use as much sunlight as possible; third, eliminate diseased seedlings, diseased leaves, diseased branches and destroy them; Bacterial-velocity fast-gram blending type smoke agent for fumigation control. 5, replant seedlings. Farmers who have insufficient spring and summer vegetable seedlings should promptly seize the favorable weather to supplement seedling production such as pepper, eggplant, tomato, green beans, bitter gourd, gourd, sweet corn, and leeks.

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