Hauv tsab xov xwm no koj yuav pom txhua yam hais txog yuav ua li cas npaj Bordeaux kua rau kev kho cov ntoo, tshuaj xyuas ntxaws ntawm cov muaj pes tsawg leeg thiab kev siv tshuab ntawm 1% thiab 3% kev daws teeb meem.
Yuav ua li cas npaj Bordeaux kua rau kev kho ntoo thiab tsob ntoo
Yog tsob ntoo muaj mob hauv koj lub vaj, nws muaj ib txoj hauv kev yuav pab tau nws.
Qhov no yog kua Bordeaux.
Cov txiv hmab txiv ntoo ntoo, tsob ntoo, zaub, mob nrog scab, powdery mildew, lig blight thiab lwm yam kab mob fungal tuaj yeem raug kho tau los ntawm qhov cuab yeej no uas tsis tseem ceeb.
Bordeaux kua - ib qho kev daws cov tooj liab sulfate CuSO4 · 5H2O hauv mis ntawm txiv qaub Ca (OH) 2. Cov kua dej yog ntuj xiav. Nws siv rau hauv kev cog qoob loo ua tshuaj tua kabmob. Cov dej sib xyaw ua ntej yog tsim los ntawm Fabkis tus botanist P. Millard (1838-1902) los tiv thaiv vineyards los ntawm kev tuaj pwm
Raws li prophylactic rau cov kab mob no, Bordeaux kua feem ntau tsis sib npaug.
Yog tias koj tshuaj tsuag cov nroj tsuag ua ntej pib tawg paj thiab tom qab sau qoob, tsis muaj qhov lwj yuav lo rau lawv, tsis muaj teeb meem nws sim.
Tab sis koj yuav tsum tau ua zoo npaj qhov cuab yeej zoo no.
Dab tsi yog ib feem ntawm Bordeaux kua?
Muaj pes tsawg leeg tshuaj ntsuab suav nrog:
- dej
- tooj liab sulfate;
- sai sai.
Cov txheej txheem rau kev npaj cov kua Bordeaux:
- Hauv cov nqeeb los yog iav ua noj, kua mis txiv kab ntxwv yog npaj los ntawm kev sib tov nrog dej nrog txiv qaub hauv qee qhov sib luag.
- Tsis tas li ntawd nyob rau hauv ib qho kev cais (tsis yog hlau) ntim, dej nrog tooj liab sulfate yog diluted. Ib zaug ntxiv, hauv kev npaj ua ntej uas tsis hais muaj feem. Dej nyob rau hauv cov ntaub ntawv no yuav tsum tau rhuab.
- Txoj kev sib nrauj tooj liab sulfate txias, tom qab uas nws tau nchuav rau hauv cov kua mis uas tau npaj ua tiav nrog ib qho tseeb ntws. Hauv qhov no, qhov sib xyaw kom haum yuav tsum tau txuas ntxiv nrog tus pas ntoo.
- Raws li thaum tau txais qhov kev daws teeb meem ntawm ib qho kev hue saum ntuj ceeb tsheej, Bordeaux cov kua pom tau ua kua yuav suav tau tias yog siav.
Tau txais ib feem pua tov ntawm Bordeaux kua
Daim ntawv qhia ua noj:
- Nws yog ib qho tsim nyog yuav tsum coj 100 g ntawm tooj liab sulfate thiab muab tso rau hauv 1 liter ntawm rhuab dej.
- Tom qab nplawm thiab txias qhov ua kom loj, ntxiv 4 l dej txias rau nws.
- Tom ntej no, 100 g ntawm quicklime yuav tsum tau quenched nrog rhuab dej. Kev daws yuav tsum tau do, thaum ntxiv dej rau ib ntim ntawm 5 liv.
- Tom qab ntawd, nws yog ib qho tsim nyog los ncuav cov txheej txheem ntawm vitriol ntawm tooj liab rau hauv cov kua txiv qaub, nplawm thiab ua raws li cov tshuaj tiv thaiv ntawm tooj liab kom txog thaum tag nrho kev daws kis tau cov xim ntuj.
Kev npaj ntawm peb feem pua tov ntawm Bordeaux kua
Daim ntawv qhia ua noj:
- 300 g ntawm tooj liab sulfate tau tshwm sim thiab diluted nrog dej (raws li tau hais tseg).
- 300-400 g ntawm quicklime tau coj thiab quenched nrog dej sov me ntsis.
- Tom qab txias, lub tooj liab sulfate composite tau nchuav rau hauv kev daws cov kua qaub.Thaum cov kua nce mus txog saum ntuj ceeb tsheej xim, kev ua haujlwm ntawm kev npaj peb feem pua Bordeaux kua yog suav tias yog ua tiav.
Tam sim no peb cia siab tias kev paub yuav ua li cas npaj Bordeaux kua rau kev kho cov ntoo, koj lub vaj yuav zoo dua!
Muaj lub vaj zoo !!!
