TY - BOOK AU - Hunuschak,George ED - United State. TI - Obtaining timely crop and estimates using ground gathered and landsat data U1 - 338.10973 PY - 1609/// CY - Washington, D.C. PB - U.S. Government Printing Office KW - Agricultural productivity KW - Cropping systems KW - Crops KW - Growth KW - Agricultural intens N1 - Technical bulletin ER -