AL- Shamary, W.F., Alkhateb, B.H. and Abdel Ghani, E.T. 2020. ROLE OF PERLITE QUANTITY AND INTERVALS OF IRRIGATION ON POTATOES (SOLANUM TUBEROSUM L.) GROWN IN GYPSIFEROUS SOIL. Journal of Life Science and Applied Research. 1, 1 (Jun. 2020), 30–41. DOI:https://doi.org/10.59807/jlsar.v1i1.14.