The experiment indicated that the length and width of outer petal, inner petal, the pistil and stamen length and the corolla diameter increased with the increase of soil nutrient level.

• 实验表明，随着土壤养分水平的增加，外轮花瓣长和宽、内轮花瓣长和宽、雌蕊长、雄蕊长、花冠直径均逐渐增加。