<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Three different types of nozzles (different wear rate) were used in this study. They are classified depending on the severity of their wear to three groups: new, worn and damaged nozzles. Those nozzles were spraying with the same application rate (303 l/ha) on two-year field trials; this was achieved by changing the spraying pressure for each group of nozzles in order to get the same application rate. This practice is usually done by operators of sprayers, who calibrate the sprayers on the same application rate every year without changing the nozzles, so they tend to reduce the spraying pressure in order to compensate the flow rate increase due to the nozzles yearly wear. Two types of plant growth regulators (PGR) agents were used in this study, namely: Moddus and Kelpak, they were applied to wheat plants field to reduce lodging. The results showed that applying PGR in the year 2015 produced an increase in the wheat yield and reduction in the plant height regardless the nozzle type, although there was not any occurrence of wheat lodging. In the year 2016, the new nozzles produced higher values of wheat yield than other two types of nozzles.</p></abstract>

Three different types of nozzles (different wear rate) were used in this study. They are classified depending on the severity of their wear to three groups: new, worn and damaged nozzles. Those nozzles were spraying with the same application rate (303 l/ha) on two-year field trials; this was achieved by changing the spraying pressure for each group of nozzles in order to get the same application rate. This practice is usually done by operators of sprayers, who calibrate the sprayers on the same application rate every year without changing the nozzles, so they tend to reduce the spraying pressure in order to compensate the flow rate increase due to the nozzles yearly wear. Two types of plant growth regulators (PGR) agents were used in this study, namely: Moddus and Kelpak, they were applied to wheat plants field to reduce lodging. The results showed that applying PGR in the year 2015 produced an increase in the wheat yield and reduction in the plant height regardless the nozzle type, although there was not any occurrence of wheat lodging. In the year 2016, the new nozzles produced higher values of wheat yield than other two types of nozzles.

Comparing Nozzles with Different Wear Rate and Working with the Same Application Rate of Different Plant Protection Products in Aspect of Plants Condition

Department of Machinery Exploitation and Management of Production Processes

Department of Agricultural Machines and Equipment, College of Agricultural Engineering Sciences

Department of Thermal Technology and Food Process Engineering

Agricultural Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Three different types of nozzles (different wear rate) were used in this study. They are classified depending on the severity of their wear to three groups:...

Comparing Nozzles with Different Wear Rate and Working with the Same Application Rate of Different Plant Protection Products in Aspect of Plants Condition

Pubblicato online: 09 set 2019

Pagine: 49 - 56

Ricevuto: 01 mag 2019

Accettato: 01 giu 2019

DOI: https://doi.org/10.1515/agriceng-2019-0016

Parole chiave
Plants growth regulators, wheat, wear of nozzles, application rate, pesticide

© 2019 Stanisław Parafiniuk et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Comparing Nozzles with Different Wear Rate and Working with the Same Application Rate of Different Plant Protection Products in Aspect of Plants Condition

Pubblicato online: 09 set 2019

Pagine: 49 - 56

Ricevuto: 01 mag 2019

Accettato: 01 giu 2019

DOI: https://doi.org/10.1515/agriceng-2019-0016

Parole chiavePlants growth regulators, wheat, wear of nozzles, application rate, pesticide

© 2019 Stanisław Parafiniuk et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
Plants growth regulators, wheat, wear of nozzles, application rate, pesticide