original data.xlsx

The table showed the spectral data and 8 types of nutrient concentrations value of 178 soil samples. The spectral region ranged 200-1100nm. The nutrient concentrations were included the total nitrogen (TC), total phosphorus (TP), total potassium (TK), available nitrogen (AN), available phosphorus (AP), available potassium (FK) and slowly available potassium (SK).1-118 soil were the same type soil and 119-178 soil were the same type soil