
Soil fertility assessment by Vis-NIR spectroscopy: Predicting soil functioning rather than availability indices
Keywords: AER-P; anion exchange resin extractable P; CAP; critical available P; CCE; Ca carbonate equivalent; CEC; cation exchange capacity; Feca; Fe soluble in citrate-ascorbate; Fecbd; Fe soluble in citrate-bicarbonate-dithionite; MPLSR; Modified Partial Le