Authors: ANKOMAH AB ZAPATA F HARDARSON G DANSO SKA

Citation: Ab. Ankomah et al., YIELD, NODULATION, AND N-2 FIXATION BY COWPEA CULTIVARS AT DIFFERENT PHOSPHORUS LEVELS, Biology and fertility of soils, 22(1-2), 1996, pp. 10-15

Authors: ANKOMAH AB ZAPATA F DANSO SKA AXMANN H

Citation: Ab. Ankomah et al., COWPEA VARIETAL DIFFERENCES IN UPTAKE OF PHOSPHORUS FROM GAFSA PHOSPHATE ROCK IN A LOW-P ULTISOL, Fertilizer research, 41(3), 1995, pp. 219-225

Authors: ANKOMAH AB

Citation: Ab. Ankomah, COMPARISON OF METHODS OF ESTIMATING BIOLOGICAL NITROGEN-FIXATION USING COWPEA CULTIVARS FROM GHANA, Tropical agriculture, 72(1), 1995, pp. 34-38