Stability analysis of seed yield and agronomic performance of black cumin (Nigella Sativa L.) genotypes in Amhara Region, Ethiopia
Black cumin is an annual spice crop valued for its nutritional, medicinal and economical importance. Although the Amhara Region of Ethiopia possesses suitable agroecological conditions for black cumin production, seed yield remains below the national average, largely due to the limited availability of improved varietie...