Competitive ability of corn and its weeds ont he different pH of soil

Pozsgai, Jenő and Pál-Fám, Ferenc and Keszthelyi, Sándor (2008) Competitive ability of corn and its weeds ont he different pH of soil. Cereal Research Communications, 36 (Supl 5). pp. 199-202. ISSN 0133-3720 (print), 1788-9170 (online)

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Abstract

In the course of the small plot trials which was appointed on the corn large field we searched for answer, what happened in the competitive ability of the corn, the dicotyledonous (Amaranthus retroflexus, in the following: AMARE) and the monocotyledonous (Setaria viridis, in the following: SETVI) weeds in relation to changes of the soil pH. It was found that the competitive ability of the corn is not depend on the soil pH, but the yield of corn is decreasing by the effect of the competition at all pH levels. From the two weeds the SETVI is less sensible for the decreasing of the soil pH and the competitive ability of it is also less decrease. On the other hand the competitive ability of the AMARE is decreasing with higher volume for the effect of the pH but except for 5.2 pH, it is stronger competitor of the sugarbeet than the SETVI.

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