Northwest New York Dairy, Livestock & Field Crops Enrollment

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Soil Tests for Corn Nitrogen Needs

Bill Verbeten, Field Crops
Northwest New York Dairy, Livestock & Field Crops

June 20, 2014
Soil Tests for Corn Nitrogen Needs

With extreme weather in 2012 and 2013 many farmers and consultants are scratching their heads trying figure out what in the world to do for applying nitrogen for the 2014 corn crop. While soil testing in the fall is standard procedure for other nutrients, normal soil sampling and testing does not document the nitrogen available to corn. In dry years some nitrogen can carryover in the soil from fall to spring, but wet years have high levels of nitrogen loss. Nitrogen from manure and plowing down haylage are not available as quickly as nitrogen fertilizer. Normally a corn crop does not need any nitrogen beyond a small amount of starter in the first year plowing down a haylage field. Dairies can often meet their nitrogen needs with manure. However many corn fields after haylage or with lots of manure needed side-dress nitrogen in 2013 due to excessively high rainfall. Because of all these reasons the soil tests for nitrogen usually have different procedures than normal soil testing. Depending on the growing season some soil tests may be more useful than others, and other tools may be needed in addition to or in place of soil testing. Download this PDF for the full article that appeared in the May 2014 Ag Focus Newsletter.

Soil Tests for Corn Nitrogen Needs (pdf; 420KB)











Upcoming Events

Webinar-Challenges and Opportunities of Managing Transition Cows on AMS

June 1, 2023

Please join MSU Extension and Cornell Cooperative Extension Regional Teams for our talk with Pete Maslyn of Hemdale Dairy and Todd Ward of Direct Dairy Nutrition Services on managing transition cows on automated milking systems (AMS).

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2023 Dairy Nutrition & Management Shortcourse

June 5 - June 9, 2023
Chazy, NY

This course is designed primarily for early career nutritionists and allied industry professionals seeking a more comprehensive foundation in the principles of dairy cattle nutrition and their application within dairy herd management.

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Agritourism Workshops Monthly! - Agritourism Pricing Workshop

June 20, 2023

Are you thinking of starting an agritourism business or are you currently operating one?

Join our monthly lunch-hour, workshop virtual series and learn how to grow your agritourism business!

Each session will focus on specific topic to help aspiring agritourism entrepreneurs grow their knowledge and profit through this exciting on-farm business.

Cost: Free to attend, but registration required!

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