The iron fix came with a catch.


Penn State raised iron in radish microgreens. The paper lists what else changed.͏ ‌ ͏ ‌ ͏ ‌ ͏ ‌ ͏ ‌ ͏ ‌ 
Microgreens World - Weekly Digest for Growers, Researchers & Entrepreneurs
Microgreens World Digest
The weekly digest for growers, researchers and entrepreneurs
Vol. 7 · No. 43 · Week of October 16 – 22, 2026 · microgreensworld.com
Top Story This Week
Research
Penn State raised the iron in a microgreen several times over, and the paper keeps a short list of what else changed.
Penn State News · October 22, 2026
This Week’s Stories
Science & Research
A plant-based seed soak reduced Salmonella before sowing, and two crops paid a price for it
Science & Research
Sixteen crops were scored on nutrient quality in India, and the top four are not all brassicas
Industry & Business
A countertop farm promises greens in as little as eight days, with a condition attached to delivery
Science & Research
People in one survey knew what microgreens were, and still did not eat them often

Also in this week’s full issue: a Target launch for a microgreens grower’s lettuce, a new FDA traceability exemption, a master’s thesis on peat and growing mats, and what plasma-treated water did for pea microgreens.

Plus six action items pulled straight from this week’s research.

READ THE FULL ISSUE
Microgreens World
Est. May 16, 2020 · microgreensworld.com
You’re receiving this because you subscribed to the Microgreens World Weekly Digest.

Hi! I'm D. Andrew Neves

 Editor-in-Chief, Microgreens World, “The Best Information: Tray Tested, Science Backed" Co-Founder of JPure Farms, an earlystartup indoor microgreens operation in Atlanta, Georgia Author of more than 10 books, including "Children of the Soil: How To Grow Nutritious Microgreens At Home in Nine Days" Founder and Managing Editor of MBS Publishing, "Science Writing for the Rest of Us"  Certified Health Coach, Institute for Integrative Nutrition, and over 35 years of writing and researching health and nutrition. Visit my website, Microgreens World, www.microgreensworld.com

Read more from Hi! I'm D. Andrew Neves
Microgreens World - Weekly Digest for Growers, Researchers, and Entrepreneurs

Two of them name food safety. Here is what each one will test.͏ ͏ ͏ ͏ ͏ ͏ Microgreens World The weekly digest for growers, researchers and entrepreneurs Vol. 7 · No. 42 · Week of October 9 – 15, 2026 · microgreensworld.com Top Story This Week Funding USDA just put $140,990 of specialty crop money into three hydroponic microgreens projects, and I had to read a 118-page PDF to find them. USDA · October 13, 2026 This Week's Stories Science & Research One mineral dose made mustard microgreens...

Microgreens World - Weekly Digest for Growers, Researchers, and Entrepreneurs

Plus a vendor scam warning, two farm grants that close soon, and a SNAP rule change.͏ ͏ ͏ ͏ ͏ ͏ Microgreens World The weekly digest for growers, researchers and entrepreneurs Vol. 7 · No. 41 · Week of October 2 – 8, 2026 · microgreensworld.com Top Story This Week Food Safety A second seed seller has recalled stock from the same supplier lot, and its notice speaks directly to anyone growing microgreens. U.S. FDA · October 7, 2026 This Week’s Stories Food Safety A seed treatment cut Salmonella...

A sprout label petition, a profitable indoor farm, and a root rot mystery.͏ ͏ ͏ ͏ ͏ ͏ Microgreens World The weekly digest for growers, researchers and entrepreneurs Vol. 7 · No. 40 · Week of September 25 – October 1, 2026 · microgreensworld.com Top Story This Week Food Safety A sprout outbreak that began in Idaho has now reached six states, and one patient’s meal included broccoli microgreens. U.S. FDA and CDC · September 24, 2026 This Week’s Stories Regulation A food safety attorney is...