Concepedia

David J. Wittry

DJ

Statistics

Publications

6

Citations

318

H-Index

6

Active since

1997

Affiliations

Iowa State University(Current)

David J. Wittry is an author at Iowa State University specializing in agriculture, variable rate fertilizer application, and soil fertility.

Publications per year

1997–2010

6

Publications

6

Efficacy of Grid and Zone Soil Sampling Approaches for Site-Specific Assessment of Phosphorus, Potassium, pH, and Organic Matter

Antonio P. Mallarino, David J. Wittry · Precision Agriculture · 2004 · 137 citations

, , +16

Variation in Soybean Response to Early Season Foliar Fertilization among and within Fields

Antonio P. Mallarino, Mazhar Ul Haq, David J. Wittry et al. · Agronomy Journal · 2001 · 74 citations

, , +17

Comparison of Uniform‐ and Variable‐Rate Phosphorus Fertilization for Corn–Soybean Rotations

David J. Wittry, Antonio P. Mallarino · Agronomy Journal · 2004 · 57 citations

, , +17

Crop Yield and Soil Phosphorus as Affected by Liquid Swine Manure Phosphorus Application Using Variable‐Rate Technology

Antonio P. Mallarino, David J. Wittry · Soil Science Society of America Journal · 2010 · 19 citations

, , +17

Comparison of Uniform- and Variable-Rate Phosphorus Fertilization for Corn–Soybean Rotations

David J. Wittry, Antonio P. Mallarino · Agronomy Journal · 2004 · 19 citations

, , +17

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