"The Relation of corn yields to nutrient balance as revealed by leaf analysis."; "Tyner, Edward Henry.", "Webb, John R."; "Corn--Analysis.", "Corn--Fertilizers.", "Corn--Yields."; "Tyner, Edward Henry.", "Webb, John R."; "1946"; "Journal article reprint from: Journal of the American Society of Agronomy, v.38:no.2 (1946:Feb.). "; ""; "P17010"; "pec"; "Corn--Yields.", "Corn--Fertilizers.", "Corn--Analysis."; "14256"; .