In Egypt, there is a gap between production and demand of green forages, especially during the summer season, where the available forages are limited as a result of the competition with strategic crops on limited arable land. Alfalfa is nominated to be the best crop to overcome this problem as it is the most suitable forage crop to be cultivated in the newly reclaimed land for producing high yields of high quality forage and longevity of stand. The objectives of the research is finding out optimum percentage of mineral fertilizer rates for high green forage production in alfalfa by using five different levels of mineral and biofertilizers and evaluate five alfalfa cultivars  (Giza-1, Ismailia-1, Siwa-1, Si-River and WL-528) for forage yield and their components under North Sinai conditions and similar newly reclaimed land regions. The result showed that biofertilizer and 75% mineral treatments led to increase fresh weight (86.65 kg m^-2) at means, moreover, Ismailia then Siwa cultivars had higher fresh weights (96.55 and 95.55 kg m^-2, respectively). Ismailia variety increased dry weight at means over all cuts (22.89 kg m^-2), highest crude protein content was obtained with biofertilizer and 75% mineral (37.41%), the crude fiber content showed that mineral treatment gave the lowest mean values (28.05%). But, biofertilizer and 50% mineral treatments gave the highest mean content (33.36%).