Abstract: A field experiment was conducted at the Ladoke Akintola University of Technology, Ogbomoso in the Guinea savannah zone of South Western Nigeria. Phosphorus fertilizer and plant density required for the optimum growth and yield of ginger were investigated. The treatments involved five phosphorus fertilizer (alesinloye organic fertilizer) rates applied at 0, 15, 30, 45 and 60 kgPha-1 and three different spacing (25x50, 35x50 and 45x50 cm). These were assigned into a factorial experiment and fitted into a randomized complete block design and replicated thrice. The parameters taken were the plant height, number of leaves, number of shoots, length of rhizome and rhizomes yield. These traits showed significant increase to the application of P rate with optimum value obtained at 60 kgPha-1 and at 45x50 cm planting distance. The combined effect of spacing and fertilizer rate significantly influenced in most of the characters. The percentage of crude protein, total ash, calcium, phosphorus, total starch, moisture content and crude fibre interaction was not significantly affected by all the measured nutritional values. The highest phosphorus fertilizer applied (60 kg ha-1) at widest spacing of 45x50 cm had the highest value in all the nutrition component observed in ginger.