Influence of Tillage Systems on the Degree of Weeding on Agricultural Crops at ARDS Turda

Alina ŞIMON, Felicia CHEŢAN, Cornel CHEŢAN, Marius BĂRDAŞ


Plants of spontaneous flora are in constant competition with culture plants for water, nutrients and other vegetation factors. The degree of weeding was determined in 2014-2016, at four crops - winter wheat, maize, soybeans and peas, cultivated in conventional tillage system and conservation tillage. Temperatures and precipitations registered on the vegetation period in three year had a high influence on the number of weeds found in agricultural crops, so in 2015 there was a smaller number of weeds than in 2014 respectively 2016. Of the species determined in this period is noted for annual dicotyledonous (most of them Chenopodium sp., Veronica sp. and Xanthium strumarium), and among the species of monocotyledonous species Echinochloa sp. and Setaria sp. which are found in all four cultures. In the case of the application of conservative tillage systems there is an increase in the number of weeds compared to the conventional tillage system. The average yields obtained by maize, soybean and peas at application of conservative tillage systems are close to the classical tillage system, the winter wheat yield was higher in the no tillage system than in the classical tillage system.


tillage systems; weeds control; climatic conditions; agricultural crops.

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