Phosphorus in pasture plants: potential implications for phosphorus loss in surface runoff

The Water-Culture Method of Growing Plants without Soil.

D. R. Hoaglang · Medical Entomology and Zoology · 1950 · 8.7K citations

Engineering, Botany, Environmental Engineering +4

Mehlich 3 soil test extractant: A modification of Mehlich 2 extractant

A. Mehlich · Communications in Soil Science and Plant Analysis · 1984 · 5.5K citations

Extractive Metallurgy, Environmental Chemistry, Engineering +14

Controlling Eutrophication: Nitrogen and Phosphorus

Daniel J. Conley, Hans W. Paerl, Robert W. Howarth et al. · Science · 2009 · 3.8K citations

Test of an Ascorbic Acid Method for Determining Phosphorus in Water and NaHCO ₃ Extracts from Soil

Fumio Watanabe, S. R. Olsen · Soil Science Society of America Journal · 1965 · 2.4K citations

Eutrophication of lakes cannot be controlled by reducing nitrogen input: Results of a 37-year whole-ecosystem experiment

David W. Schindler, Robert E. Hecky, D. L. Findlay et al. · Proceedings of the National Academy of Sciences · 2008 · 1.7K citations · Full text