TY - BOOK AU - Clay,Sharon A. TI - GIS applications in agriculture T2 - GIS applications in agriculture SN - 9781420078817 PY - 2011/// CY - Boca Raton, FL PB - CRC Press KW - Agricultural pests KW - Introduced organisms KW - Noxious weeds KW - Agricultural informatics KW - Geographic information systems KW - Agricultural mapping KW - Agriculture ER -