Ebang ke likopo tse sebelisitsoeng mobu nakong ea ho lema kapa ho hlahisa li-postemergence, ho fafatsa ho fafatsa e ntse e le bothata bo sa feleng ho balemi ba meroho.
“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.”
Ho koetlisa mosebelisi, ho shebella boemo ba leholimo, ho sebelisa lisebelisoa hantle le ho tseba libaka tse haufi, tse bobebe kaofela li bohlokoa, empa ho laola ho kheloha ho qala ka lipompo tsa kutloisiso le phello ea tsona ho boholo ba marotholi. Li-nozzle tsohle li hlahisa mefuta e fapaneng ea boholo ba marotholi khatello efe kapa efe.
Deveau o itse: "Nozzle e mahoashe e ntse e hlahisa marotholi a manyane." Le li-nozzle tse tlase tse khothaletsoang lihlahisoa tse sa tsitsang joalo ka dicamba li hlahisa marotholi a manyane.
Molumo oa spray o hlahisoang ke nozzle mme o hlophisitsoe ka boholo ba marotholi ho tloha ho e nyane ho isa ho e kholo o ka etsa mothinya oa khale o bopehileng joaloka tšepe. Boholo ba spray eo nozzle e e hlahisang e oela ka har'a boholo ba marotholi a hlalositsoeng ke bophara ba bophahamo ba modumo. Ena ke bohareng ba mothinya o bōpehileng joaloka tšepe. Ho na le bophahamo ba modumo bo fokolang bo tlameletsoeng ka marotholi a manyane haholo ka ho fetisisa, ke ka lebaka leo mothinya o theohelang ntlheng e ngoe le e ngoe.
Leha ho le joalo, kamano lipakeng tsa bophahamo ba modumo, boholo ba marotholi le palo ea marotholi e thata. Le ha ho na le bophahamo ba modumo bo bonyenyane haholo bo tlameletsoeng marotholi a manyane haholo, a feta hole marotholi a maholo. Ho thusa balemi ho etsa sena sohle, American Society of Agricultural and Biological Engineers e thehile protocol e bapisang lipompo le maemo a tsebahalang, a ba lumellang ho ba maemong ho tloha ho Fine haholo ho isa ho Ultra Coarse.
Tlhahisoleseling ena e ka sebelisoa ho noha bokhoni ba ho fafatsa ba spray, le bokhoni ba spray ba ho fana ka tšireletso e lekaneng. Litlhaku tse ling tsa chefo e bolaeang likokonyana li supa sehlopha sa nozzle se fanoeng ho fokotsa bokhoni ba ho hoholeha. Haeba ho se na tataiso, balemi ba lokela ho sebelisa nozzle e kholo ka ho fetisisa eo ba ka e khonang e fanang ka tšireletso e lekaneng.
"Tsamaiso ea marotholi e ke ke ea tsejoa esale pele ka marotholi a manyane, mme a na le monyetla oa ho hoholeha," ho boletse Deveau.
Lihlahisoa tse sa fetoheng tse kang dicamba ke phephetso e khethehileng hobane li ka futhumatsa nako e telele kamora ho sebelisoa, ho latela maemo a leholimo. Matsatsi a chesang le mongobo o tlase a potlakisa ho fetoha mouoane. Haeba phetoho ena e etsahala nakong ea ts'enyo ea mocheso, mouoane o ka bokellana tlasa lera la inversion pele o tsamaea libaka tse telele ka tsela e sa lebelloang.
Ho fafatsa maemong a leholimo a pholileng kapa matsatsing a mongobo kapa a maru ke mawa a matle a ho sebetsana le bothata ho tloha ha mouoane o lieha maemong ana. Ho shebella ponelopele ea mantsiboea a hlakileng, a khutsitseng, a pholileng a loketseng nts'etsopele ea li-inversions tse futhumetseng le hona ho bohlokoa. Ho khetha nako e nepahetseng ea letsatsi ho fafatsa ho ka ba thata.
Ho fafatsa motšehare ho ka bolela ho fafatsa ha ho chesa ebile ho omme, e leng ho eketsang mouoane. Hape ho na le ngongoreho ea phello ea chefo e bolaeang likokoanyana ho li-pollinator. Ho fafatsa bosiu ho bolela ho fafatsa ha moea o khutsitse, empa joale ho na le kotsi ea ho fetoha ha mocheso, ho ka bang le moholi o fofelang hole.
Motho e mong le e mong o batla ho fafatsa ka potlako, empa sebelisa feela lebelo la ho eta le ntseng le lumella boom bo fafatsang hore bo lule bo le tlase.
"Ha lebelo le potlakile, boom bo phahama, 'me ho fafatsa ho hoholo," ho boletse Deveau. “Ho khanna ka lebelo hase tsela ea ho qeta kapele. Ho tsoaka le ho jarolla ka ho fetesisa ke tsela ea ho fafatsa ka potlako. ” Li-Adjuvants li ka ntlafatsa tšireletso le ho fokotsa ho hoholeha, empa li ka baka le ts'enyo ea lijalo maemong a tlase ho a matle. Ts'ebetsong e lula e le taba hape. Leka sesepa sa hau ka ho fafatsa lipampiri tse sa utloisiseng metsi ho fumana setšoantšo sa paterone ea hau ea ho fafatsa. "Pampiri e theko e tlase ebile e fana ka maikutlo kapele," ho boletse Deveau.
Lintlha tse ling mabapi le ho laola ho hohola ha spray li ka fumanoa ho
thapelo101.com. Sebaka sena ke sesebelisoa se sa etseng phaello se bolokiloeng Canada ke Deveau le litsebi tse ling tsa mahlale. "Ho na le litsela tse ngata tse bolaeang likokonyana tse ka eang moo re sa batleng hore li ee teng," ho boletse Deveau, empa ho na le mekhoa e metle ea ho fafatsa temo ho fokotsa kotsi.