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Soil Sampling and
Testing
Extension Publications
(pdf)
Newsletter Articles
Conference Proceedings and Reports
- Mallarino, A.P, and T.S. Murrell. 2004. Detecting phosphorus with plasma emission spectroscopy may require unique field calibration data. Better Crops Plant Food 88(2):12-15. (pdf)
- Mallarino, A.P., D.J. Wittry, and P.A. Barbagelata. 2003. New soil test interpretation classes for potassium. Better Crops Plant Food 87(4):12-14. (pdf)
- Mallarino, A.P., D.J. Wittry, and P.A. Barbagelata. 2002. Iowa soil-test field calibration research update: Potassium and the Mehlich-3 ICP phosphorus test. p. 29-39. In North-Central Extension-Industry Soil Fertility Conf. Proceedings. Vol. 17. Des Moines, IA. (pdf)
- Mallarino, A.P., and D. Wittry. 2001. Management zones soil sampling: A better alternative to grid and soil type sampling? p. 159-164. In The Integrated Crop Management Conf. Proceedings. Dec. 5-6, 2001, Ames, IA. Iowa State Univ. Extension. (pdf)
- Mallarino, A.P., and D. Wittry. 2000. How can we make intensive soil sampling and variable-rate P and K fertilization cost-effective? p. 203-210. In The Integrated Crop Management Conf. Proceedings. Nov. 29-30, 2000. Ames, IA. Iowa State Univ. Extension. (pdf)
- Mallarino, A.P., and D.J. Wittry. 2000. Identifying cost-effective soil sampling schemes for variable-rate fertilization and liming. In P.C. Robert et al. (ed.). Fifth Intl. Conf. on Site-Specific Management for Agricultural Systems. Proceedings. CD-ROM. July16-19. Bloomington, MN. ASA, CSSA, SSSA, Madison, WI. (pdf)
- Mallarino, A.P. 1999. Soil
phosphorus testing for crop production and environmental purposes? p. 185-192. In The Integrated Crop Management Conference. Proceedings.
Dec. 1-2, 1999. Iowa State Univ. Extension. Ames. (pdf)
- Sawyer, J.E., and A.P. Mallarino. 1999. Differentiating
and understanding the Mehlich 3, Bray, and Olsen soil phosphorus tests.
Presented at the 19th Annual Crop Pest Management Short Course, Univ.
of Minnesota, Nov. 22, 1999. St. Paul, MN. (pdf)
- Mallarino, A.P., and D. Wittry. 1999. Challenges
for making intensive soil sampling and variable-rate technology pay.
p.104-109. In North Central Extension-Industry Soil Fertility Conference.
Proceedings. Vol. 15. St. Louis, MO. (pdf)
- Mallarino, A.P. 1995. Comparison of Mehlich-3, Olsen,
and Bray-P1 procedures for phosphorus in calcareous soils. p. 96-101.
In G. Rehm (ed.) North Central extension-industry soil fertility conference.
Proceedings. Vol. 11. St. Louis, MO.
Presentations
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