Optimal Rates of Nitrogen Fertilization for First-Year Corn after Alfalfa

Nitrogen in Crop Production

1984 • 762 citations

A Soil Test for Nitrogen Availability to Corn

1984 • 339 citations

Correlations between Soil Nitrate Concentrations in Late Spring and Corn Yields in Iowa

1989 • 240 citations

Soil and Tissue Nitrate Tests Compared for Predicting Soil Nitrogen Availability to Corn

1989 • 217 citations

Relationships between Corn Yields and Soil Nitrate in Late Spring

1992 • 130 citations

Tissue Test for Excess Nitrogen during Corn Production

1990 • 129 citations

Legume and Mineral N Effects on Crop Yields in Several Crop Sequences in the Upper Mississippi Valley¹

1981 • 122 citations

Optimal Concentrations of Nitrate in Cornstalks at Maturity

1992 • 115 citations

A soil test for nitrogen availability in the northeastern United States

1990 • 95 citations

Fertilizer N Equivalence of Alfalfa, Birdsfoot Trefoil, and Red Clover for Succeeding Corn Crops

1988 • 94 citations

Relationships between Leaf Nitrogen Concentrations and the Nitrogen Status of Corn

1991 • 61 citations

Nitrogen Concentration of Young Corn Plants as an Indicator of Nitrogen Availability

1992 • 50 citations

Estimation of a Common Nitrogen Response Function for Corn (Zea mays) in Different Crop Rotations¹

1966 • 49 citations

Effect of Cropping Systems and Nitrogen Levels on Corn (Zea mays) Yields in the Southern Piedmont Region¹

1970 • 40 citations

Rotation Effects and Legume Sources of Nitrogen for Corn

2013 • 37 citations

Relationships between Grain Nitrogen Concentrations and the Nitrogen Status of Corn

1990 • 36 citations

Nitrogen, Climate, and Previous Crop Effect on Corn Yield and Grain N¹

1984 • 33 citations

Nitrogen status of corn after alfalfa in 29 Iowa fields.

1990 • 30 citations

Nitrogen Budgets and Economic Efficiency: A Case Study of Southeastern Minnesota

1989 • 27 citations

Plowing Effect on Corn Yield Response to N Following Alfalfa¹

1979 • 26 citations

Effect of Tillage on Residual Nitrogen Availability From Alfalfa to Succeeding Corn Crops¹

1987 • 24 citations

Efficiency of Legume Residue Nitrogen and Inorganic Nitrogen in Corn Production¹

1961 • 17 citations

Effect of Various Meadow Crops, Soybeans, and Grain on the Crops Which Follow¹

1959 • 17 citations

Dry matter production and nitrogen utilization in cropping systems with grass, lucerne and maize. 2. Nitrogen yield and utilization.

1986 • 16 citations

Residual Nitrogen from NH₄NO₃ Fertilizer and from Alfalfa Plowed under¹

1963 • 12 citations

Comparison of early season stem nitrate and leaf total nitrogen concentrations across corn hybrids

1990 • 3 citations

Low-input practices.

1988 • 3 citations