P. N. Soltanpour

Methods of soil analysis. Part 3 - chemical methods.

Donald L. Sparks, A. L. Page, Philip A. Helmke et al. · 1996 · 8.6K citations

Agriculture, Earth Sciences, Soil Sciences +14

A new soil test for simultaneous extraction of macro‐ and micro‐nutrients in alkaline soils

P. N. Soltanpour, A. P. Schwab · Communications in Soil Science and Plant Analysis · 1977 · 889 citations

Agriculture, Earth Sciences, Soil Sciences +16

Use of ammonium bicarbonate DTPA soil test to evaluate elemental availability and toxicity

P. N. Soltanpour · Communications in Soil Science and Plant Analysis · 1985 · 448 citations

Agriculture, Environmental Sciences, Soil Sciences +16

A nitric acid plant tissue digest method for use with inductively coupled plasma spectrometry

J. L. Havlin, P. N. Soltanpour · Communications in Soil Science and Plant Analysis · 1980 · 264 citations

Agriculture, Botany, Plant Sciences +11

Modification of the NH₄HCO₃‐DTPA soil test to omit carbon black

P. N. Soltanpour, S. M. Workman · Communications in Soil Science and Plant Analysis · 1979 · 212 citations

Agriculture, Environmental Sciences, Soil Sciences +17