Disease damage should be avoided
In the production of vegetables in solar greenhouses, when diseases occur in vegetables, the removal of some diseased fruits can effectively reduce the disease. However, some vegetable farmers are afraid of trouble. They remove the diseased leaves and diseased fruits from diseased plants and throw them into fields or shallow fields. They also mistakenly believe that diseased fruits contain nitrogen, phosphorus, and potassium and other fertilizer components. Fertilizer soil. In fact, pathogens such as downy mildew, anthrax, gray mold, and early blight in diseased leaf and fruit can survive winters on sicknesses, spread under high temperature and high humidity conditions, or spread with the air or watering in the fields. Causes re-infestation and increases the damage to the vegetables. The correct treatment method is to bring the diseased leaves and diseased fruits taken out of the greenhouse and burn them in a concentrated manner, or they can be mixed with quick lime and buried deep.
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