Many crop producers in the U.S. are facing some unique circumstances as the 2007 harvest is followed by important planning and management decisions for the 2008 season. For example, what about corn after corn instead of a corn/soybean rotation? What are the options to improve N use efficiency? How can growers estimate nutrient use efficiency on the farm? IPNI North America staff have prepared some timely articles to help address these issues. Here are the titles:
Key Nutrient Management Questions when Switching from Corn/Soybean to Corn/Corn Rotations
When changing from a corn/soybean rotation to corn after corn, re-examine nutrient management practices to ensure they are appropriate.
Improving Fall Nitrogen Use Efficiency in North America
It makes good sense on several levels---economic, agronomic, and environmental---to watch out for fall N use efficiency.
Strategies for Assessing On-Farm Nutrient Use Efficiency
While the term "nutrient use efficiency" is commonly heard, it can have several different definitions. Here are some tips to help growers better understand what it means in their farm environment.
Other resources on fall fertilization considerations for crops and forages: