The Online Books Page

Books by Harry Vroomen:

Books in the extended shelves:

• Vroomen, Harry: A direct approach for estimating nitrogen, phosphorus, and land demands at the regional level (U.S. Dept. of Agriculture, Economic Research Service, 1991), also by Bruce Larson and United States. Dept. of Agriculture. Economic Research Service (page images at HathiTrust)
• Vroomen, Harry: Elasticities of fertilizer demands for corn in the short and the long run : a cointegrated and error-correcting system (U.S. Dept. of Agriculture, Economic Research Service, Agriculture and Rural Economy Division, 1991), also by Mark Denbaly and United States. Dept. of Agriculture. Economic Research Service. Agriculture and Rural Economy Division (page images at HathiTrust)
• Vroomen, Harry: Fertilizer trade statistics, 1970-88 (U.S. Dept. of Agriculture, Economic Research Service, 1989), also by United States. Dept. of Agriculture. Economic Research Service (page images at HathiTrust)
• Vroomen, Harry: Fertilizer trade statistics, 1970-91 (U.S. Dept. of Agriculture, Economic Research Service, 1993), also by Harold Taylor and United States. Dept. of Agriculture. Economic Research Service (page images at HathiTrust)
• Vroomen, Harry: Fertilizer use and price statistics, 1960-1991 (U.S. Dept. of Agriculture, Economic Research Service, 1992), also by Harold Taylor and United States. Dept. of Agriculture. Economic Research Service (page images at HathiTrust)
• Vroomen, Harry: Fertilizer use and price statistics, 1960-88 (U.S. Dept. of Agriculture, Economic Research Service, 1989), also by United States. Department of Agriculture. Economic Research Service (page images at HathiTrust)
• Vroomen, Harry: Forecasting retail fertilizer prices : a combined time-series regression analysis approach (U.S. Dept. of Agriculture, Economic Research Service, 1991), also by United States. Department of Agriculture. Economic Research Service (page images at HathiTrust)

Find more by Harry Vroomen at your library, or elsewhere.