Traditionally, farmers mulch the mounds with crop and weed
residues. The practice of mixed cropping using the traditional
tillage methods provides a continuous cover that protects the soil
against erosion and improve soil temperature and moisture
regime. The technique of building mound is also useful in
concentrating nutrient-rich surface soil. With the native method
of cultivation, mounding is quite beneficial especially when mixed
cropping is practiced with little or no fertilizer input. Traditional
agriculture in the past was compatible with the level of population