Comparison of different nozzle types and their constellation at the boom of field sprayers for not treating tramlines in cereals
Johannes Bröring | Dieter von Hörsten | Jens Karl Wegener
Chemical plant protection takes an essential role in the production of quality food. However, the use of plant protection products is currently under critical discussion due to possible negative influences on the environment caused by unintentional inputs. In this research article, a new innovation in crop protection equipment is presented, which makes it possible to save crop protection agents by recessing the tramlines. The nozzle types and the nozzle constellation in the tramline area were modified on the spray boom. In laboratory and field tests, two suitable variants were investigated that enabled the tramline to be recessed and then compared with the whole area application that is customary in practice. In these tests, only the qualitative and quantitative effects of the spray liquid distribution, which could arise due to the change in nozzle types and nozzle constellation, were examined. The results show that through the appropriate choice of nozzles and the correct nozzle constellation, a recess in the tramline is possible with the aim of saving crop protection agents, and that the quality and quantity of the spray liquid distribution is almost as good as with a conventional whole area application.
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