Round-point root rot damages pome fruit, stone fruit trees. Prevention and control measures: Increase organic fertilizer or use of antibacterial fertilizer and cake fertilizer, such as Black Emperor humic acid ecological organic fertilizer, Shenfu brand soybean meal bio-organic fertilizer, etc., with the spraying of new high-fat membrane to enhance tree vigor and improve disease resistance. Physiological rot-root poorly drained viscous soil, excessive salt content and high groundwater level in orchards are susceptible to the disease. Prevention measures: remove water in a timely manner, reasonable irrigation, and spray a new high-fat film to prevent the orchard soil from getting too dry or too wet. Root Calcium Disease (Mushroom Root Rot) mainly harms pear, apple, hawthorn, apricot, and other fruit trees. Control measures: remove the roots, disinfect the roots, and replace them with new soil. Use the tree-protecting general to brush the trunk and the main branch and brush it 2 or 3 times, at intervals of 15 days. Absorbent of Carbon Dioxide-Soda lime Co2 Absorbent,Co2 Absorber,Litholyme Co2 Absorbent,Carbolime Co2 Absorbent Zhejiang Haisheng Medical Device Co., Ltd , https://www.hisernmedical.com