~Bibliography~

Please click here for more information

Clemson Extension, (1914), Changing the pH of Your Soil, http://hgic.clemson.edu/factsheets/HGIC1650.htm

Natural Resources Conservation Service, (n.d), Soil Biology, http://soils.usda.gov/sqi/concepts/soil_biology/fungi.html

Spectrum Analytic, (n.d), Soil Aluminum and Soil Test Interpretation,             http://www.spectrumanalytic.com/support/library/ff/Soil_Aluminum_and_test_interpretation.htm

NC State University, (2000), Soil Life,  http://www.ces.ncsu.edu/depts/hort/consumer/quickref/soil/soillife.html

San, Antonio Express News, (2005), The Truth about Microbes, http://bexar-tx.tamu.edu/HomeHort/F1Column/2005%20Articles/NOV6.htm

Spectrum Analytic, (n.d), Agronomic Library, http://www.spectrumanalytic.com/support/library/ff/Soil_Aluminum_and_test_interpretation.htm

Mississippi State University Extension Service, (2008), Soil pH and Fertilizers, http://msucares.com/pubs/infosheets/is0372.pdf