Bardovskaya kua: txoj kev ntawm kev npaj thiab kev siv

Niaj hnub no, ob peb txog tej liaj ua teb thiab gardeners tsis paub tus kab mob no, xws li Phytophthora. Txhua xyoo lub xov tooj ntawm pathogens yog nce, nyob rau tib lub sij hawm no muaj cov tshiab, hitherto tsis paub hais tias cov ntaub ntawv. Vim lub fact tias cov nquag siv ntawm lawv tawm tsam ib hom ntawm cov tshuaj yog hom mus rau yeeb tshuaj, txhua txhua xyoo, chemists txua cov ntaub ntawv tshiab nrog zoo qauv thiab ib tug dav ntau yam ntawm kev txiav txim.

Haum zoo-paub thiab nquag siv lub cuab tam yog lub Bard kua. Qhov no cov ntaub ntawv uas muaj peev xwm sawv ntawm kev rhuav tseg tsis tau tsuas yog cov kab mob, tab sis kuj fungi. Thoob plaws siv ntawm no lub cuab tam tau txais nyob rau hauv yug me nyuam ntawm cov txiv hmab. Nws yog siv mas rau tus tswj ntawm cov kab mob xws li cov pwm, anthracnose, dub rot, thiab melanosis t. D.

Lub active tshuaj, uas muaj ib tug kua Bard yog tooj liab tebchaw. Lawv yog cov me ntsis soluble nyob rau hauv cov dej, uas muaj txhawb rau long-term kev tiv thaiv ntawm cov nroj tsuag.

Tshuaj nyob tus yeees Bard sib tov muaj ib co peculiarities. Qhov no yog tsis muaj dab tsi, raws li ib tug sib tov ntawm tooj liab sulfate thiab txiv qaub. Bardovskaya kua npaj uas - ib tug yooj yim txheej txheem, yog ib qho zoo txhais tau tias ntawm combating tsob nroj kab mob.

Yuav kom zoo zoo npaj Bard kua, cov nram qab no proportions yuav tsum muaj cai. Yog li, yog hais tias peb coj lub tooj liab sulfate thiab txiv qaub nyob rau hauv ib qho ratio ntawm 2: 1, ntau yam tebchaw tau tooj liab ntsev. Thaum tus piv 1: 1, thiab CaSO4 tsim CuSO4 compound. Nrog lub shortage nyob rau hauv lub kua txiv qaub bluestone tseem dawb, thiab raws li ib tug tshwm sim, lub sib tov muaj ib tug acid nruab nrab. Kev siv ntawm xws li ib tug tov yuav ua rau lub tsos ntawm cov tshuaj kub nyhiab nyob rau hauv cov nroj tsuag.

Yog li ntawd, cov pom piv ntawm tooj liab sulfate thiab txiv qaub - yog 4: 3. Nyob rau hauv tus txheej txheem ntawm kev npaj yuav tsum tau siv 2 cais txog ntsha rau dilution ntawm sib tov Cheebtsam. Stirring tas li, maj mam, ib tug nyias kwj nchuav npaj tov ntawm tooj liab sulphate nyob rau hauv txiv qaub. Yuav kom Bard kua tsis hnov mob nrog cov hlau, yog tsis pom zoo los npaj nws nyob rau hauv ib tug hlau ntim.

Tom qab muab ib tug tov los ntawm yog siv tam sim ntawd. Ua ntej koj ua li ntawd, nco ntsoov mus saib cov tshwj xeeb xeem qhia cov tshuaj tiv thaiv cov tshuaj. Nws yuav tsum tau yog nruab nrab los yog me ntsis alkaline. Txwv tsis pub, nws yuav ua puas lub nroj tsuag kho nrog ib tug acid cov tshuaj uas yuav ua rau cov tshuaj kub nyhiab.

Siav Bard kua, siv cov uas yuav pab tau sib ntaus sib tua tsob nroj kab mob, kuj muaj nws cov drawbacks. Nquag siv lub cuab tam yuav inhibit nroj tsuag. Yog li ntawd, piv txwv li, tus txiv hmab ib tug txo nyob rau hauv tus nqi ntawm txoj kev loj hlob ntawm tua. Lub tso zis ntawm xws li ib tug teeb meem no yog cov kev siv ntawm cov organic fungicides. Lawv muaj pes tsawg leeg excludes lub xub ntiag ntawm tooj liab.

Nws li nram no los ntawm lub foregoing hais tias cov Bard kua yog ib tug indispensable lub cuab tam rau cov kev kho mob ntawm cov nroj tsuag. Tus txheej txheem ntawm ua noj ua haus yog heev yooj yooj yim thiab yuav tsis siv sij hawm ntau lub sij hawm. Lub kuj tsis tshua muaj nqi ntawm cov kua qhia nws rau ib tug ntawm cov thawj qhov chaw nyob rau hauv sib ntaus tawm tsam tsob nroj kab mob.