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| How to Sample Soil |
| How to Sample Manure |
| Sampling
for Cornstalk Testing to Evaluate Nitrogen Management |
| Zone
Sampling of Soil on Farms with Irregular Terrain written by David Gossman |
| Link to Iowa State University's
Nitrogen Fertilizer
Recommendations for Corn http://www.extension.iastate.edu/Publications/PM1714.pdf |
| Link to Iowa
State University's Nutrient
Recommendation
Guide http://www.extension.iastate.edu/Publications/PM1688.pdf |
| Link to Iowa State University's
Soil Nutrients Publications http://extension.agron.iastate.edu/soilfertility/nutrienttopics/nutrtopicsmain.html |
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| Sampling Water and
Wastewater for
Coliform (e-coli or Total) Testing |
| Summary
of Results-2004 Field Demonstrations Maquoketa Watershed Project and
IFLM Manure Phosphorus Management |