| Popis: |
This research was conducted on a degraded Ultisol at the Eastern farm of the Michael Okpara University of Agriculture, Umudike during 2014 and 2015 planting seasons, to study the effect of sawdust and poultry manure combinations on soil exchangeable properties. The treatments comprised of sawdust (SD) at five levels namely 0, 2, 4, 6 and 8 t/ha and poultry manure (PM) at five levels namely 0, 5, 10, 15 and 20 t/ha, which were combined to produce 25 treatment combinations. The treatment combinations were laid out in Randomized Complete Block Design (RBCD) and replicated three times in a factorial experiment. The interactions of poultry manure and sawdust significantly (p |
