Our collection of nutrient deficiency symptoms from research plots, farm fields, plantations, diagnostic labs, and our annual contest. The images are organized in groups including primary nutrients, secondary nutrients, and micronutrients. The image galleries and search results can be narrowed by crop-type. Text and diagrammatic descriptions of nutrient deficiency are also available as supporting information. Languages included in collection are: English, Español (Spanish), Français (French), Português (Portuguese), Русский (Russian), and 中國的 (Chinese-Mandarin)
See also: list of crops
Note: The Image Collection is only available in USB Flash Drive format. It requires shipping.