Combined effects of root cutting, auxin application, and potassium fertilizer on growth, sugar:nicotine ratio, and organic potassium index of flue-cured tobacco EFFECT OF ABT+S3307 ON SUGAR METABOLISM AND ADVENTITIOUS ROOT IN CUTTINGS OF Dendrocalamus spp. Physiological Research on the Relationship between Repeated Cutting and Rooting of Larix Effcts of different cutting-roots and K top-dressing measures at later growth stage on K-oncentration in leaves of fluecured tobacco plants in Yunnan Province Effect of alteration of source-sink ratio on stem-sheath reserve substances in later growth period and yield of maize Response of Transpira tion and Na+ Intake of Seedlingto Cutting Root and NaCl Trea tments Dynamic Accumulation of Starch and Protein in the Rooting of Tetraena mongolica Maxim.