The right source matches fertilizer type to crop needs, to ensure a balanced supply of essential nutrients, considering both naturally available sources and the characteristics of specific products, in plant available forms.
The right rate matches the amount of fertilizer to crop needs, by assessing and making decisions based on soil nutrient supply and plant demand.
The right time makes nutrients available when crops need them, by assessing and making decisions based on the dynamics of crop uptake, soil supply, nutrient loss risks, and field operation logistics.
The right place applies and keeps nutrients where crops can use them, by addressing root-soil dynamics and nutrient movement, and manage spatial variability within the field to meet site-specific crop needs and limit potential losses from the field.
The Mid-Atlantic 4R Nutrient Stewardship Association is seeking an Executive Director to lead and fulfill their mission. Anyone with interest in applying for the role should email a cover letter, resume, and two professional references to midatlantic4r@gmail.com. Questions about the role can be directed to lindsay.mdag@gmail.com. The application period will close Monday, October 7, 2024. […]
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Chester, Maryland (September 4, 2024) – The Mid-Atlantic 4R Nutrient Stewardship Association will be holding their 2024 4R Symposium at the Maryland Department of Agriculture on September 12th. With a great line-up speakers, wonderful sponsors, and delicious food, don’t miss out on this free event. The day will begin with two research presentations followed by […]
Read More“Even when we voluntarily compiled nutrient management plans, we found we didn’t need all the nutrients we were applying. We’ve gotten better since.”
“Better balancing of dairy manure has enabled use across more acres in accordance with balanced crop needs and has significantly reduced nutrient imports to the farm.”
“Variable rate technology has helped us utilize the same amount of fertilizer and seed and realize higher yields.”
