• The effects of altitude on the chemical composition of black tea 

      Owuor, Philip O; Obaga, Samuel O; Othieno, Caleb O (John Wiley & Sons, Ltd, 1990-01-01)
      Changes in quality parameters of crush, tear and curl (CTC) black clonal teas due to variations in altitude within a radius of 10 km were determined. There were significant (P= 0.05) changes in all the quality parameters ...