Interspecific Competition occurs when two or more species are competing for the same resource. The resource could be anything, including, but not limited to, food or habitat space. If one species is a better competitor than another, it can have a harmful influence on the well being of the weaker competitor with respect to growth and reproduction. This can be a very important consideration for farmers growing crops, since other plants growing with a crop plant can reduce the yield of that crop. For example, Table I examines the effect of wild oats on the yield of flaxseed. The following data were obtained in an experimental trial: