Organic Carbon and Plant Available Nutrient Contents in Soil

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Documentation for package ‘SoilTesting’ version 0.1.0

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Available_K Available potassium (K) in soil
Available_P Available phosphorus (P) in soil determined by ascorbic acid blue colour method
df_Available_K Example Data Frame for available potassium (K) in soils
df_Available_P Example Data Frame for available phosphorus (P) in soils
df_DTPA_Micro Example Data Frame for available micronutrient cations in soils
df_Minearl_N Example Data Frame for mineral nitrogen (N) in soil
df_N_Boric Example Data Frame for total nitrogen (N) and available or mineralizable N in soil
df_N_Sulphuric Example Data Frame for total nitrogen (N) in soil
df_Std_Curve Example Data Frame for element concentration from standard curve
df_WBC Example Data Frame for oxidizable organic carbon (C) or Walkley-Black C in soil
DTPA_Micro Available micronutrient cations in soil
Mineral_N Mineral N i.e., summation of ammonium-N and nitrate-N in soil
N_Boric Total, or Mineralizable Nitrogen using boric acid for ammonia absorption
N_Sulphuric Total Nitrogen (N) using sulphuric acid for ammonia absorption
Std_Curve Elemental concentration in solution from absorbance or emission values
WBC Oxidizable organic carbon (C) or Walkley-Black C in soil