Puas atrazine tua pob kws qab zib?

Cov txheej txheem:

Puas atrazine tua pob kws qab zib?
Puas atrazine tua pob kws qab zib?
Anonim

Atrazine muaj ua tau zoo tua cov nroj tsuag hauv teb pob kws rau ntau tshaj 50 xyoo. … Cov npe ntawm cov tshuaj tua kab muaj rau siv rau ntawm pob kws qab zib yog txwv ntau dua li cov pob kws, yog li keeb kwm qab zib cog qoob loo thiab cov txheej txheem tau tso siab rau atrazine ntau heev.

Yuav siv tshuaj tua kab mob dab tsi rau pob kws qab zib?

"Atrazine yog ib qho tshuaj tua kab ntau tshaj plaws hauv cov pob kws qab zib, siv rau hauv teb ua ntej qoob loo, tom qab qoob loo tshwm sim, lossis ob lub sijhawm," Williams hais. "Cov neeg tsim khoom ntawm ntau yam tshuaj tua kab mob pom zoo kom sib xyaw tank nrog atrazine kom lawv cov khoom muaj txiaj ntsig zoo."

Puas atrazine tua pob kws?

Agronomy xibfwb Alex Martin hais tias atrazine ua haujlwm tawm tsam cov nroj tsuag dav dav yam tsis tua pob kwsvim pob kws muaj lub cev tiv thaiv kab mob yam tsis muaj kev hloov pauv caj ces. "Nyob rau hauv sib piv rau 2, 4-D, yog vim li cas Atrazine tsis tua ib tug pob kws cog tsis yog ib yam dab tsi ua rau cov qauv ntawm cov pob kws cog," nws hais.

Koj puas tuaj yeem tshuaj tsuag atrazine rau pob kws?

Nws yog ib qho tseem ceeb heev uas yuav tsum nco ntsoov tias atrazine thiab atrazine-muaj khoom tuaj yeem siv rau pob kws nce txog 12 ntiv hauv qhov siab.

Yuav ua li cas txau rau pob kws qab zib tua cov nroj?

Glyphosate, pendimethalin thiab paraquatyog peb cov tshuaj tua kab uas muaj kev nyab xeeb rau kev siv pob kws qab zib thaum lub sijhawm cog.

Pom zoo:

Nthuav cov khoom
Margined collateral yog dab tsi?
Nyeem ntxiv

Margined collateral yog dab tsi?

Nyob rau hauv kev nyiaj txiag, cov paj laum yog cov khoom lag luam uas tus neeg ua lag luam yuav tsum tau tso nrog lawv tus broker lossis kev sib pauv los them cov nqi qiv nyiaj uas tus neeg tuav pov hwm ua rau tus brokerlossis kev pauv. … Kev yuav ntawm cov paj tau tshwm sim thaum tus neeg ua lag luam yuav ib qho cuab tam los ntawm qiv qhov nyiaj tshuav ntawm tus broker.

Karina puas yog ib tug tub?
Nyeem ntxiv

Karina puas yog ib tug tub?

Karina /kəˈriːnə/ is a female muab lub npe siv niaj hnub no. Nws tuaj yeem yog qhov sib txawv ntawm kev sau ntawm Carina (los ntawm Latin carus=kev hlub) lossis luv luv ntawm Katarina / Katrina. Puas Carina yog ib tug tub npe? Lub npe Carina yog ib tug girl's lub npe ntawm Italian keeb kwm txhais tau tias "

Qhov kev nyab xeeb twg tsis tuaj yeem ua rau margin?
Nyeem ntxiv

Qhov kev nyab xeeb twg tsis tuaj yeem ua rau margin?

Cov khoom lag luam tsis muaj txiaj ntsig suav nrog tsis ntev los no IPOs, cov khoom lag luam nyiaj npib, thiab cov ntawv tshaj tawm hauv khw muag khoom. Lub downside ntawm marginable kev ruaj ntseg yog tias lawv tuaj yeem ua rau kev hu xov tooj, uas ua rau muaj kev nyab xeeb thiab nyiaj txiag poob.