C. Njoku C., “Application of Rice Husk Waste and Npk Fertilizer on a degraded Acid Sand in Anambra area, Southeastern Nigeria Effect on the Chemical and Nutritional Composition of Maize (Zea Mays) Grown on it: Application of Rice Husk Waste and Npk Fertilizer on a degraded Acid Sand in Anambra area, Southeastern Nigeria Effect on the Chemical and Nutritional Composition of Maize (Zea Mays) Grown on it”, AEXTJ, vol. 1, no. 5, Nov. 2017.