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。