In the paper, we investigate relationship between walnut fruit quality and leaf-to-fruit ratio (LFR). The LFR had a significant effect on physical of walnuts (P < 0.05), volume, fresh weight, dry nut weight kernel increased with an increasing LFR. However, no crude protein fat contents > 0.05). number cells per unit area cross-sectional green husk 5L : 1F were significantly higher than those 1L...