Bordeaux sib tov (daim ntawv thov nyob rau hauv teb)

Bordeaux sib tov, siv nyob rau hauv horticulture yog nqa tawm rau ntau xyoo, yog ib tug ntawm qhov zoo tshaj fungicides. Qhov no tshuaj yog muag raws li ib tug sib tov. Nws yog diluted mus rau ib tug tej yam kev faib ua feem nrog cov dej. Bordeaux sib tov yuav tsum nkag npaj los ntawm txiv qaub thiab tooj liab sulfate. Nyob rau hauv cov ntaub ntawv no, thaum uas siv cov quicklime yuav tsum pre-tua. Ua li no, ncuav mog qab zib mix rau hauv ib lub hnab yas los yog txha hniav laus tais nrog ob tug tagnrho cov dej huv. Peev Xwm nrog rau cov kev npaj them nrog ib tug hau. Qhov kawg ntawm "kub" txiv qaub ua ib tug "fluff" los ntawm uas koj yuav ua tau "cov mis nyuj ntawm txiv qaub".

Yog xav tau kev 10 l ntawm Bordeaux sib tov (1%) yog yaj nyob rau hauv dej, 100 g ntawm tooj liab sulfate. Ces lub ntim tau ua mus txog rau 5 liters. Nyob rau hauv nyias muaj nyias ib lub tais diluted nrog 100 g ntawm "fluff", lim thiab, stirring tsis tu ncua, twb poured mus rau hauv lub thoob nrog lub yaj tooj liab sulphate. nws dej yuav tsum txias.

Tej zaum nws yog tsim nyog 3% xees Bordeaux sib tov. Cov kev siv nyob rau hauv horticulture no ntau concentrated tov yog nruj me ntsis tag rau cov ua lub sij hawm (nws tsuas yog haum rau txau thaum ntxov caij nplooj ntoos hlav). Npaj xws li ib tug tov tsis txhob muab rau 100 g ntawm sulphate thiab txiv qaub, thiab 300 grams ntawm zoo ua hauj lwm sib tov yog nruab nrab los yog weakly alkaline medium. Yog hais tias poob rau hauv ib tug tov ntawm cov hlau tej khoom (ntsia thawv, riam) reddish thaj ua rau thaj them los ntawm tshaj tooj liab, ces nws yog acidic. Qhov no Bordeaux sib tov yuav ua rau kub yus tsob nroj ntaub so ntswg. Npaj ib tug tov ua ntej yuav siv, raws li nws sai sai poob nws cov khoom.

Rau yog dab tsi tsim nyog Bordeaux sib tov? Kev siv cov no fungicide raws li nyob rau hauv nws cov khoom puas ntsoog lub pathogens ntawm ntau yam fungal kab mob. Lub keeb kwm ntawm nws siv cov hnub rov qab hais txog 100 xyoo. Bordeaux sib tov, siv nyob rau hauv horticulture qhov twg uas tsim nyog thiab raws li ib tug tiv thaiv kev neeg sawv cev, yog siv thoob plaws hauv lub tag nrho lub sij hawm ntawm lub nroj tsuag. Raws li cov kev siv ntawm cov tshuaj no?

Bordeaux sib tov, uas yog yuam ua hauj lwm kom yuav txhua txhua gardener, feem ntau muab siv ua ntej kev ua paj tawg (thaum ntxov caij nplooj ntoos hlav Txau). Tej zaum nws yog siv nyob rau hauv lub caij ntuj sov. Ua kev kho mob yuav tsum tau kev tiv thaiv ntawm cov txiv hmab tiv thaiv fungal kab mob. Nws zoo eliminates pathogens moniliosis, kiav txhab (pears thiab apples), anthracnose thiab septoria (los ntawm Currant), pwm (los ntawm cov txiv hmab). Nyob rau hauv tas li ntawd mus siv nyob rau hauv teb, lub fungicide yog ntse siv nyob rau hauv teb. Nws tiv thaiv lub qos yaj ywm thiab txiv lws suav los ntawm blight, dib - los ntawm pwm.

Yuav ua li cas tus neeg siv Bordeaux sib tov? Daim ntawv thov nyob rau hauv horticulture: Spotted; txiv hmab txiv ntoo rot; monialny hlawv txiv duaj; anthracnose ntawm pos thiab lub txiv; peronospora hops; spotting alfalfa; Downy pwm rau watermelons, tag, cucumbers thiab qab zib beet.

Ib txhia inexperienced neeg feem ntau incorrectly siv tshwj xeeb npaj. Muaj coob tus ntseeg hais tias cov kev kho mob ntawm tej yam kab mob los ntawm ntau yam nroj tsuag tsim Bordeaux sib tov. Kev siv cov no fungicide yog suab puas tiv thaiv no muchnistorosnyh fungi. Ua 1 hectare vaj siv 10-20 kg Bordeaux sib tov, nyob rau hauv lub teb - 7-8 kg, nyob rau hauv cov txiv hmab thiab txiv hmab txiv ntoo - 10-15 kg. Cov yav tas kev kho mob yog ua rau 10-15 hnub ua ntej sau.