Ambrosia tr/fu/a L.

• 三裂叶豚草

Ambrosia tr/fu/a L.的用法和样例：

例句

1. The effects of competition with Helianthus turberosus on photosynthesis of Ambrosia trifida were studied under different densities under series replacement experiments.
   采用取代试验设计，研究了不同密度比条件下，菊芋对三裂叶豚草光合特性的竞争机理。