The present study was carried out at the Experimental Farm of Agricultural Research Center, Al-Azhar University, Assiut Governorate, Egypt during 2017 and 2018 seasons to study the effect of intercropping maize {Zea mays, L.} cv. Tri hybrid cross Nefertiti - 3  as main crop with cow pea {Vigna  unguiculata (L.) Walp} cv. Carem-1 as secondary crop at nine treatments, three planting dates: T₁ cow pea planted on the same day with maize, T₂ cow pea planted after 15 days of maize planting and T₃ cow pea planted after 30 days of maize planting as well as three cutting dates of cow pea taking one cut on different dates:D₁ cutting after 45 days from sowing or D₂ cutting after  60 days from sowing or D₃ cutting  after 75 days from sowing, beside of pure stands for maize and cow pea as a recommended. The performed experiment was designed as a randomized complete block using split plot arrangement with three replications.