防治板栗苗黄叶病新法我县近几年板栗育苗发生黄叶病比较严重，当长到２５ｃｍ以后，上部新生叶片开始黄化，出现黄叶后生长不良，影响了苗木质量。据调查，凡发生黄叶病的地块，土壤ｐＨ值偏高。针对这种情况，采取了土壤调酸防治黄叶病的方法，收到了良好效果。调酸剂是... Prevention and treatment of chestnut seedling yellow leaf disease new law In recent years, my county yellow chestnut seedling leaf disease occurs more serious, when it grows to 25cm, the upper leaves begin to yellow, yellow leaves appear poor growth, affecting the quality of seedlings. According to the survey, where yellow leaf disease occurred in the land, the soil pH value is high. In view of this situation, took the method of acid soil acidity control yellow leaf disease, received good results. Acid conditioner is ...