Fig. 4
From: Foliar application of chitosan nanoparticles and N-ATCA enhances olive yield and oil quality


Influence of foliar application of CHNPs and N-ATCA on leaf macronutrient content of Olea europaea cv. Arbosana. (A) Nitrogen (N), (B) phosphorus (P), and (C) potassium (K) concentrations under different treatments (T1–T16). Values represent mean ± SE.