Table 3b.

Soil sample chemistry analyses, abbreviations, and definitions.

Parameter	Methodology
Soil pH	Soil pH-soil pH 1:1 (1 volume of soil in 1 volume of water)
% OM	% Organic Matter-Measure of organic matter in soil by % LOI
NO3	Nitrate ppm-Nitrate, KCl extractable
K	Potassium ppm-extracted by ammonium acetate
SO4	Sulfate ppm-extracted by Mehlich S-III
Zn	Zinc ppm-DTPA (diethylenetriaminepentaacetic acid) micronutrient extraction method
Fe	Iron ppm-DTPA (diethylenetriaminepentaacetic acid) micronutrient extraction method
Mn	Manganese ppm-DTPA (diethylenetriaminepentaacetic acid) micronutrient extraction method
Cu	Copper ppm-DTPA (diethylenetriaminepentaacetic acid) micronutrient extraction method
Ca	Calcium ppm-extracted by ammonium acetate
Mg	Magnesium ppm-extracted by ammonium acetate
Na	Sodium ppm-extracted by ammonium acetate
B	Boron ppm-hot water extracted
CEC	CEC (meq/100g)-Cation Exchange Capacity: Sum (in meq) of the 4 cations(K+Ca+Mg+Na+)/100g soil
% H	%H Sat-%Base Saturation
% K	%K Sat-%Base Saturation
% Ca	%Ca Sat-%Base Saturation
% Mg	%Mg Sat-%Base Saturation
% Na	%Na Sat-%Base Saturation
Cl-	Chloride ppm-Chloride
P	Phosphorus ppm-Phosphorus, extracted by Mehlich P-III