Hutchinson, T.B. Kipps, M.S. Wolfe, T.K.
Production of field crops : a text book of agronomy - 3 - New York, Mc Graw- Hill Book Company Inc 1948 - 430
Crop production - economical aspects/ seeding practices/ crop rotation
633 HUT
100
Production of field crops : a text book of agronomy - 3 - New York, Mc Graw- Hill Book Company Inc 1948 - 430
Crop production - economical aspects/ seeding practices/ crop rotation
633 HUT
100