Crop-Weed Relationships in Okra [&amp;lt;i&amp;gt;Abelmoschus esculentus&amp;lt;/i&amp;gt; (L.) Moench], Soybean (&amp;lt;i&amp;gt;Glycine max&amp;lt;/i&amp;gt; L.) and Maize (&amp;lt;i&amp;gt;Zea mays&amp;lt;/i&amp;gt; L.) in the Middleveld of Swaziland
American journal of agriculture and forestry/Journal of agriculture and forestry