Roots can not absorb nutritious effectively in bad soil environment such as over humid, drought, too acidic or too alkaline. Nutritious can be supplement promptly by foliar spraying to meet the demand of plant growth. In spring, all the plant is in growth period, and it’s the best time to spray on foliar. Following are the 8 methods to tell you how to formulate foliar fertilizer well such as zinc sulfate solutions and manganese sulfate solutions. [Read More]