Nkechi Mary Eche, Emmanuel Nathan Oyema Iwuafor, Ishaku Yo'ila Amapu and Mary Ann Victoria Bruns. Effect of Application of Organic and Mineral Soil Amendments in a Continuous Cropping System for 10 Years on Chemical and Physical Properties of an Alfisol in Northern Guinea Savanna Zone: Experimental Investigation. RPPSR-V3 [Internet]. 2021 Oct. 27 [cited 2026 Jun. 14];:77-8. Available from: https://stm.bookpi.org/RPPSR-V3/article/view/4483