Agricultural Supply Functions-estimating Techniques and Interpretation ... Edited by Earl O. Heady [and Others], Etc
Replacement Rates of Corn and Soybean Oilmeal in Fortified Rations for Growing-fattening Swine on Pasture/ by Earl O. Heady, Damvon V. Catron, Dean E. McKee, Gordon C. Ashton and Vaughn C. Speer
Short-run Corn Supply and Fertilizer Demand Functions Based on Production Functions Derived from Experimental Data
Farm Programs: Comparative Costs and Consequences. [By] Earl O. Heady, Leo V. Mayer, Howard C. Madsen
Recherche interdisciplinaire sur les relations input-output et les fonctions de production en vue d'ameliorer les decisions et l'efficience en aviculture
Agi Ting Techniques and Interpretation. Assembled and Published Under the Sponsorship of the North Central Farm Management Research Committee. Edited by Earl O. Heady And Others
Roots of the Farm Problem: Changing Technology, Changing Capital Use, Changing Labor Needs. [By] Earl O. Heady, Edwin O. Haroldsen, Leo V. Mayer, Luther G. Tweeten
Dynamics of Land Use: Needed Adjustment. [By Various Authors.] Assembled and Published Under the Sponsorship of the Iowa State University Center for Agricultural and Economic Adjustment. [With a Preface by Earl O. Heady.].
World Food Production, Demand, and Trade [by] Leroy L. Blakeslee, Earl O. Heady [and] Charles F. Framingham
Capital and Credit Needs in a Changing Agriculture. Edited by E.L. Baum ... Howard G. Diesslin ... Earl O. Heady
Production Functions, Isoquants, Isoclines and Economic Optima in Corn Fertilization For Experiments With Two and Three Variable Nutrients