Vegetable farming systems in China : report of the visit of the Vegetable Farming Systems Delegation to China / edited by Donald L. Plucknett and Halsey L. Beemer, Jr. (Westview special studies in agricultural science and policy)
Vegetable farming systems in China : report of the visit of the Vegetable Farming Systems Delegation to China / edited by Donald L. Plucknett and Halsey L. Beemer, Jr.
(Westview special studies in agricultural science and policy)