First of all, it is necessary to find out what the symptoms of magnesium deficiency in eggplant are. The general characteristics are the chlorosis of the lower leaves, the veins remain green, and sometimes the leaves are accompanied by variegated colors such as orange and purple. The difference from potassium deficiency is the tendency of magnesium deficiency to yellowish white or whitening; the difference with physiological aging leaves is that the magnesium deficiency veins do not whitish green, and the diseased leaves remain fresh for a long time, while the physiological aging leaves are usually uniformly yellowed, veins, and The leaves are whitish green, and they are mostly withered and lack liveliness. Magnesium deficiency often occurs in the late and late stages of the reproductive cycle, and several leaves near the fruit appear first. Control methods are: When growing eggplants in greenhouses, avoid vegetables and other vegetables that require large amounts of magnesium, such as cucumbers and tomatoes. Irrigate in time to keep the soil moist and prevent excessive salt concentrations in the soil, resulting in inhibition of magnesium absorption. Apply magnesium sulfate and other magnesium fertilizer about 10 to 20 kg per mu. For some acidic soils, it is best to use magnesium lime, about 50 to 100 kg per mu. Spray with 1% to 2% magnesium sulfate solution, spray once every 5 to 7 days, spray a total of 3 to 5 times. Fiber Optic Laryngoscope,Fiber Optic Laryngoscope Use,Flexible Video Bronchoscope,Portable Flexible Endoscope Jiangsu Yongle Medical Technology Co., Ltd. , https://www.jsylmedical.com