Kungaba izicelo ezisetshenziswa enhlabathini lapho kutshalwa noma kufakwa isicelo se-postemergence, i-spray drift isalokhu iyinkinga ebangayo kubalimi bemifino.
“Drift is an emotionally charged issue. No one likes drift; no one likes being drifted on,” said Jason Deveau, application technology specialist in the Agriculture Development Branch of the Ontario Ministry of Agriculture, Food and Rural Affairs. Deveau spoke on spray drift at the most recent Great Lakes Fruit, Vegetable, and Farm Market EXPO, held virtually in 2020.
Every spray application drifts to some degree and there is no single, best solution. “Drift will happen,” Deveau said, “but there are a whole series of activities you can do to reduce the risk.”
Ukuqeqesha opharetha, ukubuka isimo sezulu, ukusebenzisa imishini ngokufanele nokwazi izindawo eziseduze, ezibucayi konke kubalulekile, kepha ukuphatha ukukhukhuleka kuqala ngemibhobho yokuqonda nomphumela wayo kusayizi wamaconsi. Yonke imibhobho ikhiqiza uhla lwamasayizi amaconsi kunoma iyiphi ingcindezi eyodwa.
"Umbhobho omkhulu usakhipha amaconsi amancane," kusho uDeveau. Ngisho nemibhobho ephansi yokukhukhuleka enconyelwe imikhiqizo eguquguqukayo, njenge-dicamba, ikhiqiza amaconsi amancane amancane.
Umthamo wesifutho okhiqizwa umbhobho futhi uhlelwe ngamasayizi wamaconsi kusuka kokuncane kakhulu kuya kokukhulu kunakho konke kuzoba ijika elijwayelekile, elimise insimbi. Iningi lesifutho esenziwa umlomo wombhobho uwela ngaphakathi kobubanzi bamaconsi echazwe ubukhulu bevolumu ephakathi. Lona maphakathi wejika elimise okwensimbi. Kukhona ivolumu yesifutho esincane eboshwe ngamaconsi amancane nakakhulu, yingakho ijika lincipha ekugcineni ngakunye.
Kodwa-ke, ubudlelwano phakathi kwevolumu yesifutho, usayizi wamaconsi nokubalwa kwamaconsi buyakhohlisa. Noma kukhona ivolumu encane kakhulu eboshwe ngamaconsi amancane, ayedlula kude amaconsi amakhulu. Ukusiza abalimi ukuzulazula kukho konke lokhu, i-American Society of Agricultural and Biological Engineers yakha umthetho olandelwayo oqhathanisa imibhobho nemibandela eyaziwayo, ebavumela ukuba babekwe kusukela ku-Very Fine kuze kufike ku-Ultra Coarse.
Lolu lwazi lungasetshenziselwa ukubikezela amandla we-spray wokukhukhuleka, kanye namandla we-spray wokunikeza ukumbozwa okwanele. Amanye amalebula ezibulala-zinambuzane acacisa isigaba semibhobho esinikeziwe ukunciphisa amandla wokukhukhuleka. Uma kungekho ukuholwa, abalimi kufanele basebenzise umbhobho omkhulu kunabo bonke ongabahlinzeka ngokwanele.
"Ukunyakaza kwamaconsi amancane akubikezeli ngamaconsi amancane, futhi maningi amathuba okuthi ikhukhuleke," kusho uDeveau.
Imikhiqizo eguquguqukayo efana ne-dicamba iyinselelo ekhethekile ngoba ingaphefumula isikhathi eside ngemuva kokufaka isicelo, kuya ngezimo zezulu. Izinsuku ezishisayo ezinomswakama ophansi zivumela ukuguqulwa kube umusi. Uma lokhu kuguqulwa kwenzeka ngesikhathi sokuguquka okushisayo, umhwamuko unganqwabelana ngaphansi kwesendlalelo sokuguqula ngaphambi kokuhambisa amabanga amade ngezikhombisi ezingalindelekile.
Ukufafaza esimweni sezulu esipholile noma ezinsukwini ezinomswakama noma ezinamafu amasu amahle okuphatha inkinga ngoba i-vaporization ihamba kancane kulezi zimo. Ukubuka isibikezelo sesibikezelo sobusuku obucacile, obuzolile, obupholile obulungele ukuthuthukiswa kokungeniswa okushisayo nakho kubalulekile. Ukukhetha isikhathi esifanele sosuku ukufafaza kungaba nzima.
Ukufafaza phakathi nosuku kungasho ukufafaza lapho kushisa futhi komile, okukhulisa ukuphefumula. Kukhona nokukhathazeka komphumela we-pesticide kuma-pollinators. Ukufafaza ebusuku kusho ukufafaza lapho kuzolile, kepha-ke kunengozi yokuguquguquka okushisayo, okungahle kuthwale ukuqhuma komusi amamayela.
Wonke umuntu ufuna ukuqeda ukufafaza ngokushesha, kepha sebenzisa kuphela izivinini zokuhamba ezivumela ukuthi ukufutha kwesifutho kugcinwe kuphansi.
"Ngokushesha isivinini, i-boom iyanda, futhi i-spray ingakwazi ukukhukhula," kusho uDeveau. “Ukushayela ubuthaphuthaphu akuyona indlela yokwenza usheshe. Ukuxuba nokulayisha ngendlela elula kuyindlela yokufafaza ngejubane. ” Izincomo zingathuthukisa ukumbozwa futhi zinciphise ukukhukhuleka, kepha futhi kungadala ukulimala kwezitshalo ngaphansi kwezimo ezinhle. Ukuhambisana kuhlala kuyinkinga, futhi. Hlola isifutho sakho ngokufafaza emaphepheni azwela amanzi ukuze uthole isithombe sephethini yakho yesifutho. "Leli phepha lishibhile futhi linikeza impendulo ngokushesha," kusho uDeveau.
Imininingwane engaphezulu ekuphatheni i-spray drift ingatholakala ku-
imithandazo101.com. Isayithi lingumthombo ongenzi nzuzo ogcinwe eCanada nguDeveau nabanye ochwepheshe bezobuchwepheshe. "Kunezindlela eziningi zemithi yokubulala izinambuzane engahamba lapho singafuni ukuthi iye khona," kusho uDeveau, kodwa kunezindlela ezinhle kakhulu zokufafaza kwezolimo ukunciphisa ubungozi.