LAW-OGBOMO, K.E. and AJAYI, S.O. 2009. Growth and Yield Performance of Amaranthus cruentus Influenced by Planting Density and Poultry Manure Application. Notulae Botanicae Horti Agrobotanici Cluj-Napoca. 37, 2 (Nov. 2009), 195–199. DOI:https://doi.org/10.15835/nbha3723458.