Authors:
ANNAN IB
AMPONGNYARKO K
TINGEY WM
SCHAEFERS GA
Citation: Ib. Annan et al., INTERACTIONS OF FERTILIZER, CULTIVAR SELECTION, AND INFESTATION BY COWPEA APHID (APHIDIDAE) ON GROWTH AND YIELD OF COWPEAS, International journal of pest management, 43(4), 1997, pp. 307-312
Citation: K. Ampongnyarko et al., CHILO-PARTELLUS (SWINHOE) (LEP, PYRALIDAE) OVIPOSITION ON NON-HOSTS -A MECHANISM FOR REDUCED PEST INCIDENCE IN INTERCROPPING, Acta oecologica, 15(4), 1994, pp. 469-475
Authors:
AMPONGNYARKO K
REDDY KVS
NYANGOR RA
SAXENA KN
Citation: K. Ampongnyarko et al., REDUCTION OF INSECT PEST ATTACK ON SORGHUM AND COWPEA BY INTERCROPPING, Entomologia experimentalis et applicata, 70(2), 1994, pp. 179-184
Citation: K. Ampongnyarko et Sk. Dedatta, EFFECTS OF NITROGEN APPLICATION ON GROWTH, NITROGEN USE EFFICIENCY AND RICE WEED INTERACTION, Weed Research, 33(3), 1993, pp. 269-276