Liu, Lii-Chyuan. 1984. “Different Irrigation Regimes Influence Phytotoxicity of Prometryn to Pigeon Peas [Cajanus Cajan (L.) Millsp.] in Four Soils”. The Journal of Agriculture of the University of Puerto Rico 68 (4):315-21. https://doi.org/10.46429/jaupr.v68i4.7298.