Pedospheric attributes in distribution of total and DTPA-extractable Zn, Cu, Mn and Fe in Indo-Gangetic plains

AN EXAMINATION OF THE DEGTJAREFF METHOD FOR DETERMINING SOIL ORGANIC MATTER, AND A PROPOSED MODIFICATION OF THE CHROMIC ACID TITRATION METHOD

Allan Walkley, I. ARMSTRONG BLACK · Soil Science · 1934 · 21.7K citations · Full text

Agriculture, Earth Sciences, Soil Sciences +14

Development of a DTPA Soil Test for Zinc, Iron, Manganese, and Copper

W. L. Lindsay, W. A. Norvell · Soil Science Society of America Journal · 1978 · 9.8K citations

Agriculture, Agronomy, Soil Sciences +17

Diagnosis and Improvement of Saline and Alkali Soils

L. A. Richards · Soil Science · 1954 · 9.2K citations

Agriculture, Agronomy, Soil Sciences +11

DTPA-extractable and total Zn, Cu, Mn, and Fe in Indian soils and their association with some soil properties

J. C. Katyal, B. D. Sharma · Geoderma · 1991 · 151 citations

Agriculture, Earth Sciences, Soil Sciences +16

Effect of Soil pH and Clay Content on the Zinc Soil Test Interpretation for Corn

I. D. G. Lins, F. R. Cox · Soil Science Society of America Journal · 1988 · 37 citations

Agriculture, Agronomy, Soil Sciences +17