Agronomy blog · May 14, 2025
Boron in Soybeans: Do You Need It?
When boron in soybeans is worth considering—deficiency risk, reproductive timing, and why more is not always better.
Boron’s role and the risk of guessing
Boron supports cell wall and reproductive development. In soybeans, growers ask about boron when flowering and pod set look uneven or when soil tests run low—especially on sandy or low-organic-matter ground.
Boron has a narrow margin between enough and too much. Blind high rates can injure crops. Test first.
How farmers decide
Use soil and tissue tests, field history, and yield maps. If you foliar apply, target labeled stages and avoid stacking stress with hot weather or harsh tank mixes.
Document response. Many boron questions are answered only after a careful strip trial.
Get a second set of eyes
Bring tests to your retailer or agronomist before you spray. Roush Ag Solutions can help you review micronutrient options related to boron programs for Midwest soybeans—label rates only.
Always verify rates, crops, tank-mix partners, and restrictions on the product label and SDS before you spray. This article is educational guidance for Midwest farmers—not a substitute for label directions or local agronomic advice.