Edité par CORNELL UNIVERSITY/DEPARTMENT OF AGRONOMY, ITHACA, NEW YORK, 1969
Vendeur : Gian Luigi Fine Books, Albany, NY, Etats-Unis
PAPERBACK. Etat : VG. AGRONOMY MIMEO 69-5, PUB. IN COOPERATION WITH SOIL CONSERVATION SERVICE U.S. DEPART. OF AGRICULTURE.341 PAGES.