Book Subjects

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•	Agricultural ecology (184)
•	Agricultural ecology -- United States (43)
•	Agricultural ecology -- Congresses (27)
•	Agricultural ecology -- Tropics (14)
•	Agricultural ecology -- Developing countries (8)
•	Agricultural ecology -- High Plains (U.S.) -- History (5)
•	Agricultural ecology -- Sri Lanka -- History -- 19th century (4)
•	Agricultural ecology -- Kenya (4)
•	Agricultural ecology -- Tanzania (4)
•	Agricultural ecology -- India -- Punjab (4)
•	Agricultural ecology -- Greece -- History (3)
•	Agricultural ecology -- Asia, Southeastern (2)
•	Agricultural ecology -- Bibliography (2)
•	Agricultural ecology -- England -- History (2)
•	Agricultural ecology -- Amazon River Region -- Case studies (2)
•	Agriculture -- Thailand -- Bang Chan -- Ecology (2)
•	Agricultural ecology -- Amazon River Region -- Congresses (2)
•	Agricultural ecology -- Latin America -- Congresses (1)
•	Agricultural ecology -- Portugal -- Algarve (1)
•	Agricultural pests -- Ecology (1)

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