GROWTH, YIELD AND QUALITY ATTRIBUTES OF SWEETPOTATO (Ipomoea batatas L.) AS INFLUENCED BY RIDGE HEIGHT, VINE CUTTING AND VINE ORIENTATION IN SUDAN SAVANNA ZONE OF NIGERIA  

2019-10-10
Sweetpotato yield in sub-saharan Africa is presently restricted by many factors that include crop management practices, low soil fertility, varietal selection, planting date, weather condition, soil type, pest and disease ...