Fig. 4
From: Evaluation of metal nano-particles as growth promoters and fungi inhibitors for cereal crops
Influence of pre-sowing treatment on the crop structure indicators: a mass of ears from 10 plants; b average ear weight; c mass of grains per ear; d number of grains per ear, and e mass of 1000 grains. (“ + ” indicates 95% statistically significant difference to the control sample, “○” indicates 99% statistically significant difference to the control sample). Other crop indicators are in Additional file 1: Tables S4 and S5