... of clear air and light, good boll is strong, bell large (more than 6 grams boll weight), boll opening smooth, about 40% of ... of basal feet, Miaofei light, steady fat bud, flowering and boll weight applied fertilizer, cover top of applied fertilizer. Medium fertility ... in June 15 ~ 20, applied potassium chloride 15kg / mus, fertilizer boll of cotton in mid-July on the base Results from ...