In summer, heavy rain hits the crops. After the rainstorm, the stems and leaves of vegetables stick to the ground and the stomata on the leaves are blocked, which seriously affects the breathing, transpiration, and photosynthesis of vegetables. In addition, vegetable plants attacked by torrential rain are blown backwards, and the stems and leaves are broken. The soil compaction and poor air permeability of the soil make the roots forced to undergo anaerobic respiration. The resistance weakens, resulting in cell poisoning and death, which easily leads to the occurrence and spread of diseases. The simple treatment methods for vegetables after heavy rain are described as follows:
(1) Clean up the soil adhering to the stems and leaves in time, and immediately straighten the plants to reduce the mutual extrusion and restore the normal growth of the vegetables.
(2) Timely cultivating tillage soil to reduce soil moisture, increase soil oxygen, and make vegetables in normal breathing state.
(C) timely spraying foliar fertilizer. After the vegetables were attacked by heavy rain, the vitality of the roots weakened and the water absorption capacity was poor. At this time, the foliar fertilizer should be sprayed in time, and the foliar was sprayed with 0.2% potassium dihydrogen phosphate plus 1% urea solution to promote the rapid recovery of plant growth.
(D), timely prevention and treatment of diseases, spraying fungicide to prevent wound rot caused by a large area of ​​disease.
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