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Fig. 5 | Plant Methods

Fig. 5

From: Mapping the forage nitrogen, phosphorus, and potassium contents of alpine grasslands by integrating Sentinel-2 and Tiangong-2 data

Fig. 5

Scatter plots of measured nutrient content and nutrient content (%) estimated from optimal estimation models: optimal nitrogen estimation model based on S2TG-LASSO (a); optimal phosphorus (b) and potassium (c) estimation models based on S2TG-RFFS. The purple dashed line represents the 1:1 line, and the gray area represents the 95% confidence interval

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