NOTICE

Effective December 31, 2017, the Soil and Plant Analysis Lab will be closing to refocus efforts internally, supporting soil science research by agronomy faculty. The lab will not accept new samples after December 15, 2017.

Thank you for your support of the Lab for the past 35 years. Consider the Iowa Certified Labs for your future testing needs.


For more information, contact:
Renuka Mathur, SPAL Director or
Kendall Lamkey, Department of Agronomy Chair


Forms

Soil

Research Soil Samples Testing (Other special Tests).

CLIENTS WILL RECEIVE DATA ONLY; NO INTERPRETATIONS OR RECOMMENDATIONS ARE MADE FOR SAMPLES SUBMITTED WITH RESEARCH FORMS.

Plant

Water/Pre-weighed samples

  • Total elements, nitrate, nitrite and ammonium nitrogen, ortho-P, pH and EC.
  • Submission form.

Greenhouse/Saturated Media

  • Nitrate-nitrogen, phosphorus, potassium, calcium, magnesium, sodium, iron, copper, manganese, zinc, pH and electrical conductivity
  • Submission form.

Saturated Paste

  • Phosphorus, potassium, calcium, magnesium, sodium, SAR, pH and electrical conductivity
  • Submission form.

Compost

  • Nitrate and ammonium nitrogen, total carbon and nitrogen, total phosphorus, potassium, calcium, sodium, aluminium, magnesium, iron, copper, manganese, zinc, pH and electrical conductivity
  • Submission form.

Limestone Analysis

Do-It-Yourself Analysis

  • ISU students and staff can analyze their samples in the lab by themselves
  • Submission form.