PRODUCTIVITY OF SUNFLOWER (Helianthus annuusL.) AS AFFECTED BY PLANT DENSITY, POULTRY MANURE AND NPK FERTILIZATION  

2021-09-25
This study was conducted at the Research farm of the Institute for Agricultural (IAR) Samaru, in the northern Guinea savanna and the National Horticultural Research Institute (NIHORT) Sub- station Bagauda, ...