European soils overfertilized with phosphorus: Part 1. Basic properties

A modified single solution method for the determination of phosphate in natural waters

J.E. Murphy, J.P. Riley · Analytica Chimica Acta · 1962 · 20.7K citations

Environmental Chemistry, Engineering, Natural Waters +5

Iron Oxide Removal from Soils and Clays by a Dithionite-Citrate System Buffered with Sodium Bicarbonate

O. P. Mehra, M. L. Jackson · Clays and clay minerals (National Conference on Clays and Clay Minerals) · 1958 · 4.2K citations

Chemical Engineering, Environmental Chemistry, Sodium Bicarbonate +14

Soil Map of the World

Soil Survey Horizons · 1962 · 1.7K citations

Soil Pedology, Cartography, Geomorphology +6

Quantitative interpretation of X-ray diffraction patterns of mixtures. I. Matrix-flushing method for quantitative multicomponent analysis

Frank H. Chung · Journal of Applied Crystallography · 1974 · 1.2K citations

X-ray Crystallography, X-ray Spectroscopy, Engineering +16

Dependence of Runoff Phosphorus on Extractable Soil Phosphorus

Andrew N. Sharpley · Journal of Environmental Quality · 1995 · 530 citations

Soil Characterization, P Enrichment, Surface Runoff +12