Competitive ability of Sicklepod (&lt;i&gt;Senna obtusifolia&lt;/i&gt;) in combination with &lt;i&gt;Chomolaena odorata&lt;/i&gt; (L) K &amp; R and &lt;i&gt;Euporbia heterophylla&lt;/i&gt; L.
Tropical Agricultural Research and Extention