Economic optima in soil conservation farming and fertilizer use for farms in the Ida-Monona soil area of Western Lowa
Dean, G.W.
Economic optima in soil conservation farming and fertilizer use for farms in the Ida-Monona soil area of Western Lowa - Ames 1958 - 176-196 p. - Iowa Agricultural Experiment Station. Research Bulletin No. 455 .
Economic, Soil, Farming, Fertilizers
Economic optima in soil conservation farming and fertilizer use for farms in the Ida-Monona soil area of Western Lowa - Ames 1958 - 176-196 p. - Iowa Agricultural Experiment Station. Research Bulletin No. 455 .
Economic, Soil, Farming, Fertilizers