A. V. Barker

Nitrogen Release Dynamics and Decomposition of Buried and Surface Cover Crop Residues

Emad Jahanzad, A. V. Barker, Masoud Hashemi et al. · Agronomy Journal · 2016 · 144 citations

Agriculture, Crop Sciences, Soil Sciences +17

Root Environment Acidity as a Regulatory Factor in Ammonium Assimilation by the Bean Plant

A. V. Barker, Richard J. Volk, W. Andrew Jackson · PLANT PHYSIOLOGY · 1966 · 108 citations · Full text

Agriculture, Plant Biology, Plant Sciences +17

Nitrate Accumulation in Vegetables. I. Spinach Grown in Upland Soils¹

A. V. Barker, N. H. Peck, Gregory E. MacDonald · Agronomy Journal · 1971 · 62 citations

Agriculture, Agronomy, Soil Sciences +17

Growth and Nitrogen Distribution Patterns in Bean Plants (Phaseolus vulgaris L.) Subjected to Ammonium Nutrition: I. Effects of Carbonates and Acidity Control

A. V. Barker, Richard J. Volk, W. Andrew Jackson · Soil Science Society of America Journal · 1966 · 61 citations

Agriculture, Plant Biology, Plant Sciences +17

The Effects of Potassium on Ammonium Nutrition of Tomato (<i>Lycopersicon esculentum</i> Mill.)¹

Opeyemi A. Ajayi, Donald N. Maynard, A. V. Barker · Agronomy Journal · 1970 · 46 citations

Agriculture, Plant Biology, Plant Sciences +16