The use of plant ash in plant protection

First, increase the temperature, reduce the temperature and chilling of rotten pods and seedlings. The use of plant ash in seedlings will not only increase the temperature of the soil and prevent low-temperature rot, but also eliminate moss and weeds. The field will be applied to plant ash, which will reduce chilling damage and shortage of potassium. Second, enhance the ability of wheat to resist bacteria. In the middle and late stages of the growth of wheat and barley, spraying 5-10% foliar ash leaching solution on the leaves can increase disease resistance and increase yield significantly. Third, prevent pests and diseases during the storage of wheat seeds. Put 6-8 cm of clean and dry grass ash on the bottom of the cylinder of the storage wheat seed, then put the wheat seed into the flattened, cover it with 3-5 cm of ash, and seal the mouth. Such stored wheat species not only avoids the harm of foraging and wheat moth, but also controls the growth of various molds. Fourth, prevention and control of leeks. Sprinkle the ash on the leaves to prevent root worms. The method of controlling larvae is to ditch the leeks (deep in order to meet the roots), cover them with vegetation, cover them with soil, and pour in small water. V. Storage of potatoes. Covering potatoes or sweet potatoes with dry fresh ash can effectively control rot. The method is: First, the woundless potato or sweet potato is placed on a suspended wooden board or raft, the thickness can not exceed 40-50 cm, and then covered with plant ash. Ash can not be less than 5 centimeters. Due to the dry grass ash absorbency and carbon dioxide absorption performance, but also has a good heat dissipation, combined with strong alkaline, can completely kill bacteria, prevent rot. Sixth, prevent fruit tree rot. The method is: first remove the surrounding soil (be careful not to hurt the roots), remove the surrounding soil, then cover the roots with plant ash, and then use the soil to cover the roots.

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