TY - GEN AU - Nair,K.P.P. TI - Study of the relative efficiency of soil and foliar fertilization of hybrid maize with major ( Nitrogen, phosphorus and potassium ) and minor ( zinc, manganese and iron ) nutrients KW - Folliar applications KW - Maize KW - Npk fertilizers KW - Nutrients KW - Trace elements KW - Hybrids KW - Varieties KW - Experimentation ER -