to December of 2011 and 2012 on the acidic soils at Uyo and Calabar, to evaluate the
effects of four rates of poultry manure (PM)(0, 5, 10 and 15 t/ha) in factorial combinations
with four plant populations (PP)(57,142, 66,666, 80,000 and 100,000 plants/ha) on soil
chemical properties and agronomic performance of sweet maize (Zea mays L. saccharata
Strut). The treatments were fitted into a randomized complete block design with three …