Wied, Ann. 2014. Why Test Soil? University of Wisconsin Extension Master Gardener Program. Accessed at: <http://wimastergardener.org/article/why-test-soil/>
Why Test Soil? out of the University of Wisconsin Extension’s Master Gardener program discusses reasons growers should consider testing their soil. The publication emphasizes the dangers of assuming how many additives should be added to your soil as this could result in over, or under, fertilizer addition. This publication represents a brief overview on why and how to get your soil tested.