I-WANATAH, Ind. - Uma unentshisekelo yokusebenzisa ukuhlanganiswa kwamakhemikhali epulazini lakho, kubalulekile ukwenza umsebenzi wesikole kuqala bese ulandela imihlahlandlela yelebula ngokucophelela.
"I-Chemigation inqubo yokufaka isibulala-zinambuzane, isibulali-zinambuzane, isibulala-zinambuzane noma i-nitrogen ngohlelo lwakho lokunisela," kuchaza uLyndon Kelly, uPurdue nochwepheshe bezokunisela baseMichigan State Extension, ePinney Purdue Virtual Field Day.
“Kubalulekile ukukhumbula ukuthi i-EPA idinga ukuthi noma imuphi umuthi wokubulala izinambuzane ofakwa ohlelweni lokunisela ube nelebuli yamakhemikhali. Lokho kungaba ilebula elehlukile noma isigatshana selebula ephelele. ”
Ilebuli yamakhemikhali yisivumelwano esinezindlela ezintathu phakathi kwe-Environmental Protection Agency, inkampani ekhiqize isibulala-zinambuzane kanye nomfakisicelo.
Kufanele ulandele imiyalo yelebula ukuqinisekisa ukuphepha, ukusetshenziswa ngempumelelo kwamakhemikhali.
UKelly wabelane ngohlu lwamazinga wokusebenza aphansi aphakanyisiwe ngamakhemikhali. Izidingo zesistimu encane zifaka:
• Uhlelo olunamandla wevolumu yesicelo edingekayo.
• Ukuhlolwa kokufana kohlelo kuma-85% noma ngaphezulu.
• Iphuzu le-pivot nengcindezi yokugcina yokufafaza ngaphakathi kwe-10% yokucaciswa kwephakeji ye-sprinkler
• Ukuvikelwa kokubuyela emuva okudingekayo endaweni nokusebenza.
• Akukho ukuvuza noma ukulungiswa okukhulu okudingekayo.
• Azikho izingqinamba ezinkulu zama-runoff.
• Ukuvalwa kokuvalwa kwesistimu endaweni nokusebenza.
Amakhemikhali akufanele asetshenziswe lapho isivinini somoya sithanda ukudlulela ngale kwendawo ehlosiwe, kusho uKelly.
Izicelo ezingekho emthethweni zephula amalebula nemithetho yokubulala izinambuzane e-Indiana, kusho yena.
Ngokuya ngePurdue Extension, ukulinganiswa okunembile kohlelo lokunisela kanye nezinga lokufaka isicelo semithi yokubulala izinambuzane kubalulekile.
"Umuntu osebenza ngamakhemikhali kufanele azi ngesivinini sokusebenza kwesistimu yokunisela (amahektare ngehora) ngenani elikhethiwe lokufaka isicelo samanzi kanye nokuhlungwa kwesisombululo samakhemikhali ukuthola isilinganiso somjovo wamakhemikhali," umhlahlandlela wePurdue Extension wezimo zamakhemikhali.
Funda kabanzi ngamakhemikhali nokunisela ku www.canr.msu.edu/irrigation/.