HomePublicationsCrops & SoilsIssuesCalculating seeding ratesBy Dr. Alex Lindsey, The Ohio State University June 23, 2026 Calculating Seeding Rates | CCA Essentials How can you use the seed label to determine how many seeds per acre are required to get the desired stand? First, calculate the pure live seed. From there, you can calculate the seeding rate.This month, we introduce "CCA Essentials," a video series for people preparing for the International CCA exam and others who want to brush up on the skills needed as a Certified Crop Adviser.In our first video, Dr. Alex Lindsey of The Ohio State University walks through a number of examples to show you how to calculate seeding rate using information found on the seed label.This video corresponds to the Crop Management Performance Objective: Use purity, germination, hard seed, and seed size information to calculate a seeding rate. CCA Essentials ICCA Exam Performance Objectives CCA Study Tools Back to issue Text © . The authors. CC BY-NC-ND 4.0. Except where otherwise noted, images are subject to copyright. Any reuse without express permission from the copyright owner is prohibited.Share this: Related articles Geophysical methods and agriculture June 23, 2026 Geophysical methods and agriculture June 23, 2026 In memoriam: Michael H. B. Hayes June 18, 2026 Recent articles Geophysical methods and agriculture June 23, 2026 Electrical conductivity as a proxy measurement for nitrogen June 18, 2026 Wildfire smoke and crop development—it’s complicated June 17, 2026