Controlled release urea altered the paddy soil heterogeneity at mesoscale qualified by laser induced breakdown spectroscopy - Ma, Fei; Zhou, Jianmin; Du, Changwen (Geoderma, 2024)
Keywords: agricultural management; agricultural soils; cluster analysis; color; Controlled release urea; fertilizers; Laser induced breakdown spectroscopy; nitrogen; Paddy soil; paddy soils; Principal component analysis; RGB composite; soil heterogeneity; soil quality; spectroscopy; urea; N1; N2; Laser induced breakdown spectroscopy; N3; N4; RGB composite; CRU; CK; RGB; LIBS; Paddy soil; PCA; Controlled release urea; CRN; Principal component analysis