. . "Long Ii, T. V." . . "Nachman, P." . . . . . . . . . . "Energy analysis and agriculture : an application to U.S. corn production" . . . . . . . . . "Energy analysis and agriculture an application to U.S. corn production"@en . "Statistiques" . "Energy analysis and agriculture an application to U.S. corn production" . . . . "Energy analysis and agriculture : an application to U.S. Corn production" . "Publications officielles" . . . . . . "Energy analysis and agriculture : an application to U.s. corn production" . "Energy analysis and agriculture; U.S. grain corn environment and uses; Field operations; Energy for field operations; Machinery, draft animals, and labor; Chemical fertilizers, liming materials, and manure; Herbicides and insecticides; Transport of production inputs; Grain corn yields and drying operations; Energy and financial costs of grain corn; Energy conservation and future grain corn energy cost." . . . . . . . . "Maïs Industrie États-Unis Consommation d'énergie." . . "Maïs États-Unis." . .