Environmental+Chemistry

Focus on Soil Chemistry related to Environmental Chemistry.

http://www.canr.msu.edu/vanburen/e-896.htm- All about NPK fertilizer

http://www.cleanairgardening.com/npkexplanation.html

http://ohioline.osu.edu/lines/vcrop.html#VEG.18 Ohioline Vegetable Facts

http://soil.gsfc.nasa.gov/ Soil education facts -- from sci oly coaches emaill list

http://agguide.agronomy.psu.edu/cm/default.cfm

http://www.aasl.psu.edu/Agro%20HdBk.html -- USE THIS SITE TO MAKE OUR OWN CROPS NEEDS CHART

http://www.aasl.psu.edu/Agro%20HdBk.html -- ANNUAL DATA OF PA

http://www.oneplan.org/Water/soil-triangle.shtml -- Soil textures/Soil Texture Triangle