Thursday, December 30, 2010

A comparison of commercially available soil amendments

A Comparison of Plant Growth of Bush Beans Using Three Commercially Available Soil Amendment Products.

The purpose of this trial was to determine if commercially available products sold as enhancements to plant growth were in effect beneficial and did in fact enhance plant growth and production.

The commercial products examined were:
Soil Secrets
Soil Mender

Green beans grown in soil amended with these products were compared with soil amended with acidified composted cotton burrs and unamended soil. Each treatment was replicated six times in a randomized complete block design. There were no significant differences at the 10% level of probability in plant growth, number of flower buds or beans, or nitrogen-fixing bacterial nodules of green beans.

You can find the complete report at

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