Valerie A. Kelly

1 book

Fertilizer Use in African Agriculture: Lessons Learned and Good Practice Guidelines [With CDROM] by Derek Byerlee, Valerie A. Kelly, Michael Morris

Fertilizer Use in African Agriculture: Lessons Learned and Good Practice Guidelines [With CDROM]

Agriculture and Rural Development

Derek Byerlee, Valerie A. Kelly, Michael Morris

144 pages • paperback

nonfiction art science technology challenging informative medium-paced