Concepedia

Thirty-year tillage effects on crop yield and soil fertility indicators

Douglas L. Karlen, John L. Kovar, Cynthia A. Cambardella, Thomas S. Colvin

Soil and Tillage Research · 2013 · 121 citations · 15 references

DOI

Concepts

References

15

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

A. Mehlich · Communications in Soil Science and Plant Analysis · 1984 · 5.6K citations

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Plant Analysis Handbook

M. E. Watson · Soil Science · 1992 · 1.5K citations

The potential to mitigate global warming with no‐tillage management is only realized when practised in the long term

Johan Six, Stephen M. Ogle, F. Jay Breidt et al. · Global Change Biology · 2004 · 872 citations · Full text

, , +16

Crop Rotation Effects on Soil Quality at Three Northern Corn/Soybean Belt Locations

Douglas L. Karlen, Eric G. Hurley, Susan S. Andrews et al. · Agronomy Journal · 2006 · 324 citations

, , +17

Long‐Term Soil Experiments: Keys to Managing Earth's Rapidly Changing Ecosystems

Daniel deB. Richter, Michael Hofmockel, Mac A. Callaham et al. · Soil Science Society of America Journal · 2007 · 235 citations · Full text

, , +17