Post-Emergent Information - Hom Tom Qab Emergent Weed Killers
Post-Emergent Information - Hom Tom Qab Emergent Weed Killers

Video: Post-Emergent Information - Hom Tom Qab Emergent Weed Killers

Video: Post-Emergent Information - Hom Tom Qab Emergent Weed Killers
Video: 20 MOMENTS YOU WOULDN'T BELIEVE IF NOT FILMED 2024, Kaum ib hlis
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Vim cov nroj tsuag hauv lub vaj zoo nkaus li kos lub qhov muag thiab tsa lub siab sib ntaus sib tua. Yog tias rub cov nroj tsuag pesky rau ntau teev tsis yog koj lub tswv yim ntawm kev lom zem, sim tshuaj tua kab mob tom qab tshwm sim. Dab tsi yog cov tshuaj tua kab mob tom qab tshwm sim thiab lawv yuav ua li cas kom koj lub vaj txaj zoo meej?

Cov tshuaj tua kab mob tom qab Emergent yog dab tsi?

Post-emergents attack nroj tsuag after lawv tau qhia lawv lub taub hau me ntsis dab tuag. Qhov "post" ib feem ntawm hom tshuaj tua kab no yog hais txog qhov tseeb tias nws yog siv rau cov nroj tsuag uas twb muaj lawm. Cov tshuaj tua kab mob uas tshwm sim ua ntej yog siv ua ntej koj pom cov cim ntawm cov nroj tsuag.

Kev siv tshuaj tua kab mob tom qab tshwm sim kom zoo tuaj yeem tswj cov nroj tsuag uas twb muaj lawm thiab pab tiv thaiv cov kab mob yav tom ntej. Muaj ntau hom tshuaj tua kab mob tom qab tshwm sim, yog li ua tib zoo saib xyuas cov khoom piav qhia thiab ua tib zoo txheeb xyuas ntau yam ntawm cov nroj tsuag uas koj xav tau los tswj.

Post-emergent weed killers yog tua cov nplooj los yog ntws systemically mus rau hauv paus ntawm cov nroj tsuag. Lawv tuaj nyob rau hauv cov tshuaj tsuag-on qauv los yog raws li granular daim ntaub ntawv. Lawv muaj txiaj ntsig zoo tshaj plaws hauv thaj chaw uas tau raug coj los ntawm cov nroj tsuag, tab sis koj yuav tsum siv ceev faj thaum thov kom tsis txhob muaj cov tshuaj tsuag los yog tiv tauj nrog cov nroj tsuag uas tsis yog hom phiaj.

Tshawb xyuas cov khoomua tib zoo rau cov ntaub ntawv tom qab muaj xwm txheej xws li ntau yam nroj tsuag cov khoom siv tau zoo rau, cov txheej txheem ntawm kev thov, thiab yog tias cov tshuaj muaj kev nyab xeeb siv rau ntawm turf lossis lwm qhov chaw uas tiv tauj nrog cov nroj tsuag uas tsis yog lub hom phiaj yog kev zam.

Type of Post-Emergent Weed Killers

Cov qauv tom qab muaj xwm txheej tshwm sim tuaj raws li cov txheej txheem lossis hu rau daim ntawv thov.

  • Systemics yog cov txiaj ntsig zoo tshaj plaws ntawm cov nroj tsuag perennial vim tias lawv tau nqus ncaj qha mus rau hauv cov nroj tsuag thiab txav mus thoob plaws nws kom tua tau ntau tshaj plaws.
  • Tau tshuaj tua kab mob tua cov kab mob ntawm cov nroj tsuag thiab siv rau txhua xyoo thiab cov nroj me me. Qhov no yuav zoo li tsis tseem ceeb, tab sis feem ntau ntawm cov nroj tsuag, kev tuag ntawm nplooj yog txaus tua tag nrho cov nroj tsuag.

Post-emergent herbicides kuj raug cais raws li xaiv thiab tsis xaiv.

  • xaiv tshuaj tua kab mob yog siv los tsom qee cov nroj tsuag thiab hauv thaj chaw xws li turf qhov twg kev sib cuag nrog cov nyom tsis muaj kev zam.
  • Non-selective herbicides yog siv rau kev tswj cov nroj tsuag dav thiab muaj lub hom phiaj qhib, tsis muaj kev tswj hwm, piv txwv li.

Siv tshuaj tua kab mob tom qab Emergent

Post-emergent tshuaj tua kab yuav tsum tau ua kom ua haujlwm thiab ua tib zoo tswj cov ntawv thov kom tau txais txiaj ntsig zoo tshaj plaws. Thaum koj txiav txim siab seb koj cov nroj tsuag xav tau dab tsi thiab siv cov qauv twg, koj yuav tsum xyuas kom meej tias koj xav txog tus nqi ntawm daim ntawv thov, qhov seem seem, thiab tiv thaiv kom tsis txhob muaj kab mob los yog leaching hauv tej av.

Thov rau hnub tsis muaj nag uas cov khoom tuaj yeem qhuav rau ntawmtsawg kawg yog 30 feeb thiab, qee zaum, txog li 8 teev. Rau qhov ua tau zoo tshaj plaws, qhov kub yuav tsum nyob nruab nrab ntawm 55 thiab 80 degrees Fahrenheit (12-26 C.). Cov tshuaj tua kab mob yuav tsum tau watered tom qab lub sij hawm qhuav.

Tsis txhob tsuag rau hnub cua daj cua dub thiab ceev faj tus kheej raws li cov chaw tsim khoom qhia kom tsis txhob kis ntawm daim tawv nqaij thiab ua pa ua pa. Cov ntaub ntawv tom qab muaj xwm txheej ceev ntawm lub ntim yuav qhia koj txog txoj kev thiab tus nqi ntawm daim ntawv thov, nrog rau cov lus ceeb toom thiab lwm yam tseem ceeb hais txog kev siv cov khoom.

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