The data is from an investigation of the influence of planting different minisett sizes at different periods on yield. The trial was carried out on the experimental field at...

An experiment was conducted to investigate the effects of using whole tubers versus minisetts to produce seed yams. Six treatments were combinations of whole tubers and...

The average yam yields of local varieties is less than 25% of the yield of improved released varieties, which range from 30 to 40 tons/ha. Absence of a formal seed system has...