Background

The impact of alternative production practices and conservation tillage on water quality is a concern because the public often perceives that production of "organic" crops implies improvement in environmental quality.  However, such practices have many side-effects that require attention.  Clear examples exist in the use of poultry manure as fertilizer in organic vegetable production, where phosphorus build-up in soils can negatively impact water quality.  Conservation tillage also has potential positive and negative effects that should be addressed through additional research and extension programs.

For more information contact Kefyalew Desta at 405-744-4667 or Leland McDaniel at 580-223-6570.

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