Spray con­trol

John Deere has un­veiled a more ac­cu­rate sprayer noz­zle

Farms & Farm Machinery - - News -

The newly de­vel­oped John Deere Ex­ac­tAp­ply in­tel­li­gent noz­zle con­trol sys­tem, which prom­ises greater spray ac­cu­racy, will be avail­able on all new 4-Se­ries sprayers in Aus­tralia from the 2018 mod­els on.

Ac­cord­ing to John Deere crop pro­tec­tion and nutri­ent so­lu­tions prod­uct mar­ket­ing man­ager Doug Fel­ter, the spray sys­tem main­tains a con­sis­tent droplet size and pat­tern through a wide range of speeds while re­duc­ing the po­ten­tial for over­laps, skips and drift.

“The new Ex­ac­tAp­ply sys­tem was de­vel­oped for pro­duc­ers and ag ser­vice providers who seek a higher level of con­trol of prod­uct ap­pli­ca­tions, es­pe­cially im­proved ap­pli­ca­tion ac­cu­racy in all field shapes and sizes,” Fel­ter says.

“An­other im­por­tant fea­ture is the Pulse Width

Mo­du­la­tion (PWM) sys­tem, which of­fers three times the puls­ing fre­quency of tra­di­tional PWM sys­tems on a wide va­ri­ety of noz­zles.

“This al­lows the sprayer to run at a con­stant set pres­sure and droplet size, re­gard­less of the sprayer speed and ap­pli­ca­tion flow rate, for im­proved spray cov­er­age across the en­tire field.”

Other fea­tures in­clude a func­tion that switches spray­ing be­tween two pre-se­lected noz­zles with the push of a but­ton from in­side the cabin, and au­to­matic rate vari­a­tion across the en­tire boom to en­sure the cor­rect amount of ma­te­rial is ap­plied to the right area of the field.

The range of each noz­zle has been in­creased so that fewer in­di­vid­ual noz­zles are needed to achieve the same level of cov­er­age. The new sys­tem also in­cludes LED light­ing on each in­di­vid­ual noz­zle for im­proved vis­i­bil­ity of the spray pat­tern in low light.

“An­other ma­jor ben­e­fit is that op­er­a­tors have full vari­abler­ate and shut-off func­tion­al­ity at noz­zle level, which is an im­prove­ment over sprayers equipped with John Deere Sec­tion Con­trol,” Fel­ter says. “For pro­duc­ers and ag ser­vice providers, it of­fers sig­nif­i­cant im­prove­ments in spray per­for­mance, cov­er­age, and ac­cu­racy, es­pe­cially on point rows and ir­reg­u­lar-shaped fields.”

Ex­ac­tAp­ply is fully in­te­grated with the GreenS­tar 2630 dis­play and SprayS­tar tech­nol­ogy, mak­ing it com­pat­i­ble with all John Deere pre­ci­sion and data man­age­ment prod­ucts.

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