• Long term fertilizer use on high yielding clone S15/10: Tea yields 

      P.O. Owuor, C.O. Othieno, D.M. Kamau, J.K. Wanyoko, W.K. Ng'etich (International society of tea science, 2008)
      High production of young tender shoots of Camellia sinensis L. O. Kuntze to make tea beverages leads to soil nutrients depletion through harvested crop and leaching. The production can be sustained by replenishing the lost ...