Promote roots and strong trees: When the green onions enter the hairy stage, the first top dressing should be combined with irrigation, and 10 kg of urea can be applied to the mu, and potassium nitrate or potassium dihydrogen phosphate can be applied. When the green onion enters the onion formation stage, it can be chased twice by fertilizer, with quick-acting nitrogen fertilizer as the main factor. With the vegetable strong stems, the green onion seedlings can flourish, the stems are thick and the leaves are thick, the green onion is absorbed and the fertilizer is increased, and the yield and quality are improved. . Cultivated soil: cultivating soil must be carried out during the formation of scallion, otherwise it will easily cause the plant to rot. When cultivating soil, it should be gradually thickened according to the age of the seedlings. After the autumn, it is necessary to cultivate the soil once every half month, and to cultivate the soil 3 times to 4 times. This is the key measure to increase the length of the scallion. The soil should be carried out in the afternoon when the leaves are soft, and it is forbidden to damage the leaves when the soil is crisp in the morning. The height of the soil should not be buried in the heart, so as not to affect the growth of the onion. Prevention and control of pests and diseases: The high temperature stage is the growth and decay period of green onions, which is easy to infect diseases, mainly the onion and mildew disease and disease. It is recommended to spray a new high-fat film 500 times solution with 500 times solution of chlorothalonil in the slow-planting period, which can effectively prevent fungal and bacterial diseases and improve the prevention effect.
Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
Doppler Ultrasound Scanner Machine
Doppler Ultrasound Scanner Machine,Doppler 4D Ultrasonography Machine,Portable Ultrasound Color Doppler,Full Digital Portable 4D Color Doppler
Medton Medical , https://www.medtonmedical.com