Releases by Barker, Allen V. (University of Massachusetts, Amherst, USA)

Cover for Barker, Allen V. (University of Massachusetts, Amherst, USA) · Science and Technology of Organic Farming (Hardcover Book) (2021)
Hardcover Book
2nd edition
Science and Technology of Organi...
Barker, Allen V. (University of ...
Cover for Barker, Allen V. (University of Massachusetts, Amherst, USA) · Science and Technology of Organic Farming (Paperback Book) (2021)
Paperback Book
2nd edition
Science and Technology of Organi...
Barker, Allen V. (University of ...