Effect of different phosphorus levels on four cowpea (Vigna unguiculata Walp L.) varieties for grain and fodder yield in Upper East Region of Ghana
Crossref DOI link: https://doi.org/10.26832/24566632.2019.0402018
Published Online: 2019-06-10
Update policy: https://doi.org/10.26832/24566632
Augustine, B.B.
Godfre, W.
Publication History
Received: 2019-05-24
Accepted: 2019-06-03
Published: 2019-06-10