Abstract
An experiment was conducted to determine the influence of manure and fertilizer, with and without solarization, on the growth of marigolds. Average plant height was significantly greater in media that was solarized and covered with a plastic film to retain heat. Leaf length was significantly greater in amended media with fertilizer application. Plants grown in covered media produced significantly more flower buds than those grown in noncovered media, while flower numbers were significantly greater for fertilized plants. Plant fresh and dry weights were significantly affected by covering the media during solarization and the application of fertilizer. Media amended with manure significantly affected plant fresh weight only. Flower size showed significant interactions between all factors evaluated in this study.
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