CA-CoP CONSERVATION AGRICULTURE COMMUNITY OF PRACTICE
for sustainable production intensification
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For your information, from CTIC (the Conservation Technology Information Center): Three-year project reduces nutrient loads in the Great Lakes through cover crops.
Amir Kassam
Moderator
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THREE-YEAR PROJECT REDUCES NUTRIENT LOADS IN THE GREAT LAKES THROUGH COVER CROPS
West Lafayette, Ind. (March 31, 2014) – Keeping crop fields covered between growing seasons for corn, soybeans and other cash crops can help improve water quality by keeping nutrients on the farm, a collaborative project led by the Conservation Technology Information Center (CTIC) demonstrated.
With this purpose in mind, CTIC and partners set out to plant 15,000 acres of cover crops over the three-year span of the initiative. From 2010 to 2013, producers in the Great Lakes Basin planted over 36,970 acres of cover crops, far above the original goal. The cover crops reduced nitrogen by nearly 73,000 pounds, phosphorus by more than 24,100 pounds and sediment by more than 1,440 tons in the Great Lakes.
Chad Watts, CTIC project director, said that establishing cover crops is one way that agriculture can contribute to the goal of cleaner water while making a difference on individual farms.
“Farmers not only can contribute benefits to water quality, but also can improve the soils, beneficial soil biology, nutrient holding capacity, and infiltration on their farms,” Watts said. “If cover crops are properly used over a large enough acreage, farmers can make a significant contribution to the improvement of water quality in the Great Lakes and the rivers and streams that run to them.”
Through GLCCI, farmers received one-on-one technical assistance to identify objectives for their cover crop use, select the right cover crops and crop rotations for their operations and plant and terminate cover crops in a timely manner.
Les Seiler, a producer from Fayette, Ohio, said participating in GLCCI helped him further develop his use of cover crops.
“GLCCI provided information and connected me with resources for seed selection and data about what would work in my area,” he said. “Also, sharing ideas with others through GLCCI was invaluable.”
To facilitate that sharing of ideas, GLCCI partners hosted several educational opportunities. More than 80 field days reaching 5,500 people demonstrated how farmers were taking steps to improve water quality in the Great Lakes. In November 2013, CTIC hosted the Cover Crop Summit in the Fort Wayne, Ind., area. The summit featured four farms where farmers discussed how they incorporate cover crops in their rotations, the equipment used for planting and terminating cover crops and the soil health changes they experienced when using cover crops.
To understand further the status of cover crop use in the United States, CTIC and the U.S. Department of Agriculture’s North Central Region Sustainable Agriculture Research and Education (SARE) program conducted a comprehensive cover crop survey following the drought of 2012 to quantify and promote the benefits of cover crops. More than 750 farmers responded.
Other activities included two focus groups that were held to better understand the views of producers and ag retailers on cover crops. CTIC and partners also provided support to GLCCI producers to attend the 2013 National No-Tillage Conference, CTIC’s Conservation in Action Tour and the Ag Media Summit.
Partners in GLCCI were The Ohio State University, Purdue University, Michigan State University, Indiana Conservation Cropping Systems Initiative,
The project was funded by the Great Lakes Restoration Initiative.
For more information on the project, as well as stories and videos featuring producers who participated in GLCCI, visit www.ctic.org/GLCCI. CTIC also captured the lessons learned from the producer focus group and the link between water quality and cover crops through talking to farmers, Extension educators and university researchers. More information on cover crops can be found on CTIC's cover crop page or by contacting Chad Watts at 574-242-0147 or [log in to unmask].
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