摘要：The experiment aimed to investigate foliar fertilizer application effects on amino acid content of Indigofera leaves. Indigofera arrecta was planted in plots during both rainy and dry seasons. Foliar fertilizer concentrations consisted of 10 g, 20 g, 30 g, 40 g and 50 g, which solved in 10 L solvent were applied on sixteen individual plants per plot. The fertilizer was applied 4 times during vegetative growing period. Block randomized design with 3 replications was used in this experiment. The foliar fertilizer containing 20%-22% N (N total), 15%-16% P (P2O5), 15%-16% K, 1.5% Mg, 1% Ca, 1% Fe, 1.42% Zn, 0.53% Cu, 0.88% Mo, 0.53% B and growth hormone 0.025% indole acetic acid (IAA) and giberelic acid (GA) was applied. Samples of each plot were composited leaves from 3 harvest times. The result showed that the foliar fertilizer did not affect aspartic acid, serine, histidine, threonine, tyrosine, valine, methionine, iso-leusine and leusine content of Indigofera leave. Foliar fertilizer application up to 50 g/10 L resulted in higher (P < 0.05) glutamate acid, glysine, arginine, alanine, proline and lysine than those of other fertilizer levels.