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 |