Ntau 3-txoj kev tshuaj tua kab muaj 2, 4-D, mecoprop (MCPP), thiab dicamba muaj rau cov tswv tsev rau kev tswj hwm tom qab kev kub ntxhov ntawm dogfennel. Qee cov khoom kuj tseem muaj carfentrazone lossis sulfentrazone.
Yuav ua li cas thiaj tshem tau tus dev fennel?
Ua tsaug, koj tuaj yeem tua dev fennel nrog tshuaj tua kab yog siv ua ntej cov nroj tsuag ncav cuag 20 ntiv siab
- Hnav looj tsom iav thiab hnab looj tes roj hmab thaum ua haujlwm nrog tshuaj tua kab.
- Sib tov 2 mus rau 3 tablespoons tshuaj ntsuab uas muaj 2, 4-D amine nrog 1 nkas loos dej.
Yuav ua li cas vinegar tua fennel?
Kub Nyom Killer Safe rau Tsiaj
Cov nyom nyom tuaj yeem koom nrog ntau daim ntawv thov. Vinegar yog ib qho tshuaj tua kab zoo thiab nyab xeeb. Acetic acid nyob rau hauv vinegar yog tshuaj tua kab mob, nqus dej noo tawm ntawm cov khoom siv cog, tua cov nroj tsuag, tab sis kuj muaj lwm yam nroj tsuag, yog li nws yuav tsum tau ua tib zoo siv.
Yuav mowing tua aub fennel?
Mow-ing suppresses dogfennel thiab tej zaum yuav retard regrowth vim dogfennel yog ib tug perennial hom (26). Mowing reduces noob qoob yog dogfennel mowed ua ntej noob teem.
Koj tua fennel invasive li cas?
Glyphosate thiab triclopyr, siv ib leeg lossis sib xyaw ua ke, raug tshuaj xyuas rau kev tswj fennel, ib qho kev nthuav dav, invasive nroj nyob rau yav qab teb California. Hauv cov kev tshawb fawb no, peb pom tias triclopyr ib leeg ntawm 2.2 kg / ha (2 lb / ac) muabzoo heev tswj fennel.
