Pot experiments were carried out to study effects of light intensity and phosphorus application rate on growth and competition of Veronica agrestis and Chorispora tenella.

• 摘要通过盆栽试验，研究了不同的光照强度与P肥施用水平对两种重要麦田杂草婆婆纳与离子草的生长及其竞争关系的影响。