EFFECT OF FOLIAR SPRAY OF ZINC SULPHATE AND GIBBERELLIC ACID ON YIELD AND ECONOMICS OF GUAVA [Psidium guajava (L.) CV. G-27 Journal title: International Journal of Agricultural Science and Research (IJASR) Authors: MD. JAWED, R. LEKHI, N. VASURE, P. K. S. GURJAR, LAL SINGH Subject(s):