The present invention relates to a cotton production special-purpose cotton physiological orientating agent integrating the actions of plant nutrient, synergistic action, growth regulation and controlling cotton disease and pests into one body, and said physiological orientating agent is formed from nutrient portion, energy power portion, attachment agent, regulating and controlling agent, balancing agent and treatment agent, and respectively has four physiological orientating agents for cotton primary bud stage, primary-bloom stage, full-bloom stage and open boll stage. Said invention also provides its application method, it can raise yield of cotton by 50-100%. |