@article{202012.0690, doi = {10.20944/preprints202012.0690.v1}, url = {https://doi.org/10.20944/preprints202012.0690.v1}, year = 2020, month = {December}, publisher = {Preprints}, author = {Raoul BORKEUM BARRY and Katamssadan HAMAN TOFEL and Jean WINI GOUDOUNGOU and NCHIWAN Elias NUKENINE and Manuele Tamò and Françcois NDOSINVIAN VANDI and Albert NGAKOU}, title = {Plants Extracts and a Mycoinsecticide (Metarhizium Anisopliae) in Cowpea Yield Improvement in Guinean Savanah and Sahelian Savanah Agro-Ecological Zones of Cameroun}, journal = {Preprints} }