You can browse the shelves at the following call numbers:
HB131-132: Economic methodology (general).
HD1332-1333.5: Land reform. Agrarian reform.
HD1401-2210: Economics of agriculture.
HD9000-9495: Agricultural industries.
HF1041-1051: Commerce: Agricultural products.
S560-S571.5: Farm economics, farm management.
S604.8-S621.5: Melioration: Improvement, reclamation, fertilization, irrigation, etc., of lands.