Eggplant is hard and hard to grow, it is the characteristic performance of eggplant stiff fruit. This is due to the excessive growth of the eggplant in the early stage, unreasonable fertilization, lack of potassium, boron, and zinc elements, or the low temperature of the eggplant during the expansion period. Control methods: First, control the temperature and humidity; second, spray the control agent; third, supplement with potassium, boron, and zinc fertilizers. Disclaimer: Some articles of this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for processing. phone Jiangsu Tiera Biotechnology Co., Ltd , https://www.tierabio.com