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Q.Using COTTON SEED MEAL In Potting Soil

Zone Mobile, Alabama 36609 | Anonymous added on August 17, 2025 | Answered

A few weeks ago I asked for the amount of Cotton seed meal to use in in soil. I lost Your reply. I need the ratio…say how many cups meal per 1 cft soil mixture? Thank You.

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GKH_Susan
Certified GKH Gardening Expert
Answered on August 18, 2025

You will want to mix the cottonseed at 5 percent of your total soil amount. Lets say, for example, you are using 20 gallons of soil. You will add 1 gallon of cottonseed meal. Measure the pH, though. It can be little on the acidic side. This is a general amount for potting soil. Each plant might have just a little bit of a different amount needed. I\'d check the nutrient levels before you add.

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm

Here is more:

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/cottonseed-meal-fertilizer.htm

https://extension.unh.edu/resource/using-fertilizers-potting-soil-grow-plants

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