Vatori vepasi rose veOnion Study Tour, yakarongwa nekambani inopfuya mhuka Hazera, akashanyira purosesa yehanyanisi Gills Hanyanisi. Kambani yeOxnard, California-based inogadzira zvisingasviki mazana mashanu ematani ezvigadzirwa zvehanyanisi zvakasvunurwa uye zvakachekwa zvezvitoro zvekuAmerica, indasitiri uye chikafu.
Kambani yekugadzira Gills Onions yakatanga kubva kukambani yekurima yeRio Farms muna 1982. Kambani yekurima iyi, ine mahekita 7,000 1,200 espinachi, (romaine) lettuce, celery, broccoli, cabbage, cauliflower, bell pepper nematomatisi, ndeyevarimi vakuru vemiriwo kubva ku' kuMadokero,' maererano nokuburitswa kwenhau. Kurimwa kwehanyanisi kune mahekita anosvika chiuru nemazana maviri nekurimwa kwegore rose muFresno, Imperial, Kern neMonterey.
Kwemakore, dambudziko raive marara ehanyanisi, nekuti inopfuura makumi matatu kubva muzana yehanyanisi yakakura haina kukodzera kugadzikiswa kuita chigadzirwa chekupedzisira. Kambani yaDavid naSteve Gill yawana mhinduro kune izvi. Majusi ehanyanisi anoburitswa achashandurwa kuita magetsi. Iyo pulp inopihwa chikafu chemombe, uye nekuda kwekushomeka kweuswa nekuda kwekusanaya kwemvura muCalifornia, kudiwa kweiyo yakakura zvakare.
Michina yekusvuura fekitori yeGills Onions yaipihwa neDofra/FTNON, uye nekudaro kwechiDutch.
"Tinopa zvigadzirwa zvemhando yepamusoro, uye tinokumbira mutengo wakakwira kupfuura wakajairika pachigadzirwa chedu chepamusoro," muvambi uye maneja Steve Gill akaudza boka rezvidzidzo repasi rose.
Sechikamu chehurongwa uhu hwekuderedza CO2 tsoka yayo panguva imwe chete ichivimbisa kuchengeteka uye zvemhando yepamusoro, Gills Onion yakaunza chinangwa chikuru che'zero waste' muna 2009. Kubva ipapo mito yehanyanisi inobva mumarara inoshandurwa kuita biogas 'Advanced Energy Recovery System' yemagetsi akachena-akachena anopa fekitori mune zvese zvinodiwa nemagetsi. Mari iyi haina mari isingasviki mamirioni gumi nerimwe emadhora, kambani yakati.