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Starting a Farm: Soil Quality

Sometimes farmers must help their soil be healthy enough to grow crops. To do this, they must add fertilizers. This page will help you understand different types of fertilizers, what the 3 numbers on the bag represent, and how much to apply to soil. University of Illinois Extension owns this page.

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Read the information on the page and answer the following questions. Be sure to hit the “Next” button until you come to the end of the information.

Study Question(s)

What do the three numbers represent in the fertilizer formula?
What does each of these elements do for the plant?
Why would a farmer want to add these elements to his/her crops?

Posted by leesindet on Jul 21 2009
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Author Credits

Shannon Hudson, 7th grade science teacher at Tuttle Middle School, Crawfordsville, IN BS from Purdue University in 1988 in education; Masters from Indiana Wesleyan University in 2000

"With a dad as a agronomist and a mom that's a great cook (although she would disagree), you can't help but develop a love of nature's complexity, being outdoors, and teaching students that food just doesn' t magically appear at the supermarket."

Ray Sullivan, Certified Professional Agronomist; Volunteer CropLife Ambassador; 2007 CropLife Ambassador of the Year BS in Agronomy from Purdue University

"I grew up working on farms in Northern Indiana and developed a real love for the land and agriculture. Few youth are exposed to farming today. I enjoy sharing my knowledge with them."

MACA Ambassador Webquest: Think Like a Farmer

Starting a Farm: Soil Quality

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