NOVELTY - Cotton root powder comprises 4-5 pts. wt. calcium lactate, 37-43 pts. wt. sawdust, 42-46 pts. wt. bran, 1-2 pts. wt. potassium nitrophenolate, 2-3 pts. wt. sodium dihydrogen phosphate, 13-17 pts. wt. sugar, 33-37 pts. wt. potassium humate, 2-5 pts. wt. ferrous sulfate, 41-43 pts. wt. hawthorn, 53-55 pts. wt. fresh plum, 95-105 pts. wt. papaya and water.    USE - Cotton root powder used for improving metabolism and activity of roots, promoting root regrowth, promoting elongation of roots, promoting shoot growth, preventing premature aging, and increasing production of cotton root.    DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of cotton root powder comprising taking papaya, cutting into slices, drying, crushing, passing through 80-100 meshes sieve to obtain pawpaw, adding 20 times 95% ethanol solvent, ultrasonic processing for 2-3 times at room temperature for 28-32 minutes each, combining supernatant, adding ferrous sulfate and calcium lactate, heating to 60-70 degrees C, stirring for 17-23 minutes and drying to obtain complex powders; taking hawthorn and fresh plum, mixing, crushing, filtering with gauze, collecting filter slag, crushing to get crushing liquid, centrifuging crushing liquid at 7500-8500 revolutions/minute for 6-7 minutes to obtain centrifugal liquid of high purity, and centrifugal slag; taking back sawdust, rice bran and potassium humate, entering in fermentation pool, controlling water content at 40-45%, fermenting for 15-17 days, warp cloth filtering to obtain fermentation liquid and fermentation slag, heating fermented liquid to 58-62 degrees C, distilling using hydrophobic microporous membrane to obtain concentrated fermentation liquid, and setting aside; taking centrifugal powder obtained in first step, centrifuge slag obtained in second, fermented slag crushing slag obtained in third step, complex potassium nitrophenolate and sodium dihydrogen phosphate, mixing, drying, and crushing to obtain mixed powders; and taking centrifugal liquid obtained in second step, concentrated fermentation liquid obtained in third step, sand sugar and remaining raw materials, heating to 65-75 degrees C, stirring uniformly, spraying, taking powder, stirring and spray-drying.