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Moisture stress and lack of nutrients contribute to maple color issues

Published on August 22, 2013
Weather and soil conditions are affecting the color of Michigan maples during fall 2013.
Identifying and correcting manganese deficiency

Published on June 21, 2007
Molybdenum deficiency in poinsettia

Published on September 18, 2018
Molybdenum (Mo) deficient poinsettias exhibit halo-like marginal leaf chlorosis (yellowing) on recently matured leaves, leaf distortion or rolling and leaf edge burn.
Manganese deficiency in winter wheat

Published on May 3, 2007
Avoiding potassium deficiency in soybeans

Published on October 5, 2017
Soil testing is a key practice to avoid potential potassium deficiencies in soybeans.
What does it mean to be colorblind?

Published on January 28, 2020
Color blindness is common. How can you learn more about it?
Magnesium deficiency issues in Michigan corn fields

Published on June 9, 2011
Is your field corn looking a little striped? Low magnesium may be your problem.
Identifying and correcting manganese deficiency in soybeans

Published on June 15, 2017
Tips for identifying and correcting manganese deficiency, a common nutrient deficiency in Michigan soybean fields.
Magnesium deficiency in poinsettia

Published on September 18, 2018
Poinsettias exhibiting interveinal chlorosis (yellowing) in older leaves is an indicator of magnesium (Mg) deficiency.
Identifying and correcting manganese deficiency in soybean

Published on June 25, 2009
Identifying nutrient deficiency symptoms in field crops

Published on June 9, 2016
Mobile and immobile nutrients differ where their symptoms appear in the plant.
Children and vitamin D deficiency

Published on February 17, 2013
Are children getting enough of the “sunshine vitamin?”
Drought and potassium deficiency in corn and soybeans

Published on July 26, 2018
Potassium regulates the opening and closing of plant stomata. Consequently, crops with insufficient potassium are much more susceptible to drought.
Nutrient deficiency photo library available in iPad application

Published on November 6, 2012
Farmers seeking help with identifying plant deficiency symptoms can use the new nutrient deficiency photo library app, available with iPhone and iPad devices.
Color
Color Additives

Published on August 29, 2017
A discussion of color additives is the fifth article in Kathleen Zelman’s series on food additives.
Manganese deficiency of Fraser and balsam firs

Published on April 27, 2007
Color Study Project: Hepburn and Astaire

This color study focuses on pop art painting.
Color Study Project: Bacall and Humphrey

This color study focuses on pop art painting.
Are you sure that yellowing means nitrogen deficiency?

Published on May 13, 2011
Rain may have stolen some of your N, but a yellowing crop might indicate other deficiencies.