Soils
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Uneven corn stand
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Soil compaction and root growth
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No-till crop residue
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Conservation practices
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Maximum N Return
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Illinois Soil N Test
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Illinois Soil N Test
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Effect of soil temperature on nitrate formation
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Effect of temperature on ammonium remaining in soil
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Simplified soil nitrogen cycle
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Counties with Soil Survey available on CD
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Potassium deficiency in corn
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Potassium deficiency in corn


