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Understanding No-Till and Cover Crops: Impacts on Soil Health and Water Quality

This discussion addresses the common argument that no-till and cover crops might increase nutrient runoff via preferential flow in tile drainage systems. Mark A. Scarpitti, CCA and State Agronomist at Ohio NRCS, highlights how implementing no-till practices combined with cover crops can lead to significant reductions in sediment and nutrient levels in surface water. While some data may not be strictly scientific, the intriguing findings demonstrate the potential benefits of these sustainable practices on soil health and water quality.

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Understanding No-Till and Cover Crops: Impacts on Soil Health and Water Quality

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Presentation Transcript

  1. When I talk about No-Till, Cover Crops and Soil Health… There is an argument I hear a lot… “If No-Till and Cover Crops increase water infiltration into the soil… water is going to follow paths of preferential flow and you are simply increasing the nutrients going through the tile.” Mark A. Scarpitti, CCA State Agronomist, Ohio NRCS 831 College Ave, Suite B Lancaster Ohio 43130 Office: 740-653-1500 ext 103

  2. No-Till with Cover Crops Conventional Tillage No Cover Crops

  3. No-Till with Cover Crops We can see the reduction of sediment in surface water… But would you believe this is tile water? Conventional Tillage No Cover Crops

  4. No-Till with Cover Crops The tile water sample below had five times more total phosphorus than the sample to the right. Maybe not scientific… but interesting. Pictures courtesy of Joe Nester Nester Ag Consulting Conventional Tillage No Cover Crops

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