Soil Classification Based on Deep Learning Algorithm and Visible Near-Infrared Spectroscopy

Table 2

The average contents of soil samples total carbon, total phosphorus, and total potassium.

Soil nutrient (g/kg)	Orchards	Woodlands	Tea plantations	Farmlands	Bare lands	Grasslands
TN	1.382	0.699	1.596	0.685	0.472	1.403
TP	0.555	0.394	1.730	0.354	0.235	0.996
TK	19.785	15.234	29.290	14.236	12.154	19.732

TN: total carbon; TP: total phosphorus; TK: total potassium.