The best period for corn topdressing is from jointing to ear differentiation (June 20-27). At this time, the corn has developed 7-12 leaves, which is the growth of the ear to the differentiation stage of the female flower. At the critical time of the ear, at this time, the top dressing can meet the nutrient requirements of the jointing and booting ears, promote the differentiation of the ears, and make the ears of corn more large. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Hanging Fire Extinguishers,Dry Powder Fire Extinguisher,Dry Fire Extinguisher,Hanging Fire Extinguisher Huaian Wuzhou E-Commerce Co.,Ltd , https://www.wzfirefighting.com