Fig. 3From: Identification of plant leaf phosphorus content at different growth stages based on hyperspectral reflectanceCorrelations between carotenoids (Car), chlorophyll (Chltot), magnesium (Mg), calcium (Ca), potassium (K), phosphorus (P), nitrogen (N) content in leaf, leaf mass (mleaf), root mass (mroot) and phosphorus supplementation (Psuppl)Back to article page