AbstractAt 90 x 60 cm planting distance eggplant showed a gradual response to N with each increment of 112 kg/ha up to 450 kg/ha (highest level studied). At 60 x 60 cm response was obtained with the application of 225 and 338 kg of N/ha; a slight decrease in yield was observed with the application of 450 kg/ha. Limited response to P205 or K2O was obtained. There were no differences in yield attributable to plant densities. The fertilizer yield equation indicated that 398 kg N, 200 kg P205 and 253 kg K2O/ha are needed to obtain maximum eggplant yields under the conditions prevailing at the experimental site in lsabela.
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