Economics is USDA’s Helping Science by the United States Department of Agriculture is in the Public Domain.Did you have an idea for improving this content? We’d love your input.
Title Image: Strips of oats and hay are interspersed with strips of corn to save soil and improve water quality and wildlife habitat on this field in northeast Iowa Credit: United States Department of Agriculture – Natural Resources Conservation Service; Public DomainDid you have an idea for improving this content? We’d love your input.
Title Image “Line of crops near Littleport; Cambridgeshire” by Keith Evans is licensed under CC BY-SA 2.0 Did you have an idea for improving this content? We’d love your input.
Title Image: Cows in a pasture Credit: Kevin Sedivec, North Dakota State University Extension; licensed CC BY NC SA Did you have an idea for improving this content? We’d love your input.
Title Image Berries Credit: Scott Bauer, United States Department of Agriculture, Agricultural Research Services; Public DomainDid you have an idea for improving this content? We’d love your input.
Farmers' Market by Natalie Maynor is licensed CC BY 2.0.Did you have an idea for improving this content? We’d love your input.
Common ash (Fraxinus excelsior), a deciduous broad-leaved (angiosperm tree)By Brian Green, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=13127021Did you have an idea for improving this content? We’d love your input.
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Red and cyan fluorescent proteins marking plant cell nuclei. Fernan FedericiCC-BY-NC-SA-2.0 Botany by Melissa Ha, Maria Morrow & Kammy Algiershttps://bio.libretexts.org/Bookshelves/Botany/Botany_(Ha_Morrow_and_Algiers)A Photographic Atlas for Botany by Maria Morrow https://bio.libretexts.org/Bookshelves/Botany/A_Photographic_Atlas_for_Botany_(Morrow)Introduction to Botany By Alexey Shipunovhttps://bio.libretexts.org/Bookshelves/Botany/Introduction_to_Botany_(Shipunov)Plant Anatomy and Physiology by Sean Bellairshttps://bio.libretexts.org/Bookshelves/Botany/Book%3A_Plant_Anatomy_and_Physiology_(Bellairs)Did you have an idea for improving this content? We’d love your input.
xylem (blue) carries water from the roots upwards phloem (orange) carries products of photosynthesis from the place of their origin (source) to organs where they are needed (roots, storage organs, flowers, fruits – sink); note that e.g. the storage organs may be source and leaves may be sink at the beginning of the growing seasonNefronus, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons Did you have an idea for improving this content? We’d love your input.
Plastids; Kristian Peters -- Fabelfroh, CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons Bear, Robert; Rintoul, David; Snyder, Bruce; Smith-Caldas, Martha; Herren, Christopher; and Horne, Eva, "Principles of Biology" (2016). Open Access Textbooks. 1.https://newprairiepress.org/textbooks/1 Did you have an idea for improving this content? We’d love your input.
Daisies (Bellis perennis) facing the sun after opening in the morning, and they follow the sun through the dayböhringer friedrich, CC BY-SA 2.5 <https://creativecommons.org/licenses/by-sa/2.5>, via Wikimedia Commons Georgia Tech Organismal Biologyhttps://organismalbio.biosci.gatech.edu/ Did you have an idea for improving this content? We’d love your input.
Title Image: Pesticide Label 4 by Melissa Scherr, Oregon Department of Agriculture is licensed CC BY-NC-ND 2.0.Did you have an idea for improving this content? We’d love your input.
Title Image: A worker in PPE measures pesticide powder. Credit: the Pesticide Education Resources Collaborative; licensed as CC BY-NC-SA.Did you have an idea for improving this content? We’d love your input.
Title Image: An agricultural worker sprays their crops with a chemical treatment by Tony Hawkes, Office of Protected Resources is in the Public Domain.Did you have an idea for improving this content? We’d love your input.
Disease Triangle by A. Timmerman, A. Nygren, Et. al., University of Nebraska Extension. Copyright © University of Nebraska. Used with permission.Did you have an idea for improving this content? We’d love your input.
Title image: Floating row covers that keep insects out by the University of Wisconsin-Madison is copyrighted and used with permission.Did you have an idea for improving this content? We’d love your input.
Title Image: Two-spotted spider mite. Credit: Patrick Beauzay, North Dakota State University; licensed CC BY-NC-SA 3.0. Did you have an idea for improving this content? We’d love your input.