Agronomy Extension Water Quality Programs

Water Watch Newsletter

A Newsletter for the Maquoketa River Watershed

• Issue No. 109, April 2004 (pdf)
  • Upper North Fork residents discuss watershed issues Performance-based environmental management to be studied Water Watch to end paper edition
• Issue No. 108, February 2004 (pdf)
  • Soil P, tillage, manure and fertilizer affect P loss No benefit to excess feeding of P Drugs, other organic wastewater contaminants in streams New long-term drainage research at Waseca, Minn. Subsoiling may not be effective
• Issue No. 107, December 2003 (pdf)
  • Field-scale N demonstrations reinforce small-plot data
  • Manure applications add value to crop nutrient plans
  • No yield response to added P in long-term demonstrations
• Issue No. 106, October 2003 (pdf)
  • Abandoned well plugging highlights watershed-wide issue
  • Six years of results from field scale tile drainage study
  • Field demonstration activities to expand in eastern Iowa
• Issue No. 105, August 2003 (pdf)
  • Soil and water management improved in 2003
  • Wetlands reduce nitrate nitrogen in surface water
  • IDNR director: Quality water is in Iowa’s future
  • Manure application field day Sept. 3
• Issue No. 104, June 2003 (pdf)
  • Nutrient management field demonstrations increase in 2003
  • Household hazardous materials require careful disposal
  • Nitrogen losses significant from tile drainage
  • Pasture walks in Maquoketa watershed
• Issue No. 103, April 2003 (pdf)
  • Refined nitrogen rates studied by area farmers Phosphorus index is an environmental risk assessment tool IDNR encourages proper disposal of dead animals
• Issue No. 102, February 2003 (pdf)
  • Watershed residents consider comprehensive planning Maquoketa watershed impaired waters listed Everyone has stake in water quality, comprehensive planning
• Issue No. 101, December 2002-January 2003 (pdf)
  • Reduced N rates perform well in high-yielding season
  • Moderate manure plus minimal N equal highest return
  • download entire newsletter in pdf-format
• Issue No. 100, October 2002 (pdf)
  • Corn-soybean rotation a Maquoketa watershed problem
  • Source tracking bacteria at Backbone State Park
  • Mineral Creek tour stop at demo site
• Issue No. 99, August 2002 (pdf)
  • Antibiotic resistance an issue in medicine and water
  • New criteria for EQIP implementatio
  • Swine, poultry, dairy feeding changes to protect environment
  • Adding value to woodlands
• Issue No. 98, June 2002 (pdf)
  • Soluble phosphorus from tile drainage – a potential issue
  • Field scale GPS-GIS N study among 2002 watershed demos
• Issue No. 97, April 2002 (pdf)
  • Nitrate in surface water - trends and concerns
  • Illinois strip-till growers respond to survey
  • IOWATER 2002 workshops scheduled in northeast Iowa
  • Maquoketa River project updates
• Issue No. 96, February 2002 (pdf)
  • Three years of ISU water monitoring ends in Headwaters
  • Riverfest is snapshot of watershed water quality activities
  • Maquoketa River project updates
• Issue No. 95, December 2001/January 2002 (pdf)
  • IDNR completes second year of Backbone bacteria studies  - Rick Langel
  • Producers advised to study soil test reports
  • Change doesn’t come easily, say s UW professor - George Gallepp
  • Maquoketa River projects update
• Issue No. 94, October/November 2001 (pdf)
  • Corn-following-soybean trials yield over 200 bushels per acre - Chad Ingels
  • Refined manure management returns crop production profits - Chad Ingels
• Issue No. 93, August 2001 (pdf)
• Issue No. 92, June 2001 (pdf)
• Issue No. 91, April 2001 (pdf)
• Issue No. 90, February 2001 (pdf)
• Issue No. 89, December 2000 (pdf)
  • Manure demonstrations include P and N treatments - Chad Ingels
• Issue No. 88, October 2000 (pdf)
  • Fine-tuning N application for profits, water quality - Chad Ingels
  • Demonstrations show P fertilizer applications reduce profits - Chad Ingels
• Issue No. 87, August 2000 (pdf)
  • Manure, nutrient planning pays for small farms - Chad Ingels
• Issue No. 86, June 2000 (pdf)
• Issue No. 85, April 2000 (pdf)
  • Maquoketa headwaters council studies N management -John Rodecap
• Issue No. 84, February 2000 (pdf)
  • Waterway filter strips protect soil and water -  John Rodecap
• Issue No. 83, December 1999 (pdf)
  • Manure as a crop nutrient source demonstrations continue -  John Rodecap
  • Legume nitrogen contribution available in economic crunch - John Rodecap
• Issue No. 79, April 1999 (pdf)
  • Soil test interpretation is a key to profitable crop production - John Rodecap
  • How does dairy manure compare with swine manure? Question prompts another look at manure demonstrations - Gina Hanson
• Issue No. 78, February 1999 (pdf)
  • Taking a third look at second-year manure N contribution - Gina Hanson
  • Manure following beans: How much N contribution to take?  - Gina Hanson
• Issue No. 77,December 1998:
  • Refined nitrogen rates put to test in high-yielding season - Eric Palas
  • Manure's nutrient contribution holds in 'bin buster' year - Gina Hanson
  • Corn-following-soybean trials yield over 200 bushels per acre - Eric Palas

Water Watch was published bimonthly and funded, in part, by the USDA CSREES project number 00-51130-9731, the Iowa Department of Natural Resources through a grant from the U.S. Environmental Protection Agency under the Federal Nonpoint Source Management Program (Section 319 of the Clean Water Act), and Iowa State University Extension.

For additional information contact Susan Brown, Agronomy Extension Water Quality Program Specialist.