Rothamsted conferences on present day problems on crop production
Rothamsted conferences on present day problems on crop production
- Harpenden Rothamsted Experimental Station 1929
- 56
v. 2, 1928-1929
Crop ManagementCropping PatternsCultivation
63(061.3)(420) / ROT
v. 2, 1928-1929
Crop ManagementCropping PatternsCultivation
63(061.3)(420) / ROT