Table 3-8: Agricultural Principles, Strategies, and Example BMPs for Groundwater Protection

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PRINCIPLES

Availability

Strategy 1:

Reduce Concentration in Soil


BMPs

Strategy 2:

Limit Exposure Time in the Soil


BMPs

  • Crop Rotation
  • Set Realistic Yield Goals
  • Site Specific Management
  • Soil Testing and Plant Analysis
  • Nitrification Inhibitors
  • Manure Management
  • Integrated Pest Management
  • Tramlines
  • Sprayer Calibration
  • Application Methods
  • Pesticide Selection and Rate Determination
  • Rotating Chemicals with Different Modes of Action
  • Careful Handling and Mixing
  • Practices
  • Nitrogen Timing
  • Fertigation / Chemigation
  • Pesticide Application Timing
  • Pesticide Selection

Strategy 3:

Consider Nonapplication Zones in Sensitive Areas


BMPs

  • Buffer Zones
  • Riparian and Wetland Protection
  • Critical Area Planting
Detachment Transport Deposition

Strategy 1:

Consider Chemical Properties when Making a Product Decision3


BMPs

Strategy 1:

Reduce Amount of Water Leaving Soil Profile


BMPs

Strategy 1:

Create a Sink or Physical Barrier to Chemicals Being Transported


BMPs

  • Pesticide Selection & Rate Determination
  • Soil/Site Evaluation
  • Soil/Site Evaluation
  • Irrigation Management
  • Subsurface Drainage
  • Other Practices: Cover Crops
Other Practices:
  • Create Physical Barrier
  • Promote Denitrification below Root Zone

Source:

Best Management Practices for Wheat, 1994. National Association of Wheat Growers Foundation


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