Ukuzibandakanya, Ukulima
Bordeaux liquid (application in ukulima)
I-Bordeaux fluid, okuyinto esetshenziselwa ukulimala iminyaka eminingi, ingenye ye-fungicides esebenzayo kakhulu. Le makhemikhali iyatholakala emakethe njengengxube. Iyakhiwa endaweni ethile ngamanzi. I-Bordeaux fluid ingalungiselelwa kalula kusuka ku-lime ne- sulfate yethusi. Kulesi simo, uma usebenzisa i- quicklime, kufanele iqedwe ngaphambilini. Ukwenza lokhu, gcwalisa umkhiqizo ophethwe ngomumo owenziwe epulasitiki noma e-koqweqwe lwawo koqweqwe lwawo ngamanzi amabili ahlanzekile. Isitsha esinezidakamizwa sivaliwe ngesembozo. Ekupheleni kwe-"ubilise" umklamo uba "pushonka", lapho ungakulungiselela khona "ubisi lwekhasha."
Ukuze uthole amalitha angu-10 e-Bordeaux liquid (1%), 100 g we-sulfate yethusi ziyoncibilika emanzini. Khona-ke ivolumu ihlelwe ku-5 amalitha. Esigodini esithile, i-100 g ye "pushers" ihlolwe, ihlungiwe futhi, ivuselela ngokuqhubekayo, igalelwe ibhakede le-copper sulfate eliqhekekile. Hlanganisa amanzi kumele kubanda.
Ngezinye izikhathi udinga u-3% we-Bordeaux fluid. Ukusetshenziswa kwalesi sixazululo okugxilwe kakhulu ekulimeni kwezilwane kunciphise isikhathi sokucubungula (kufanelekile kuphela ukuphalaza kwentwasahlobo). Ukulungisa isisombululo esinjalo, ungathathi i-vitriol eyi-100 g ne-lame, kodwa u-300 g ngamunye. Inhlanganisela enhle yokusebenza ine-medium alkaline noma engekho hlangothi. Uma izinto zensimbi zingena esixazululweni (isilwane, ummese) zimbozwe izindawo ezibomvu kusukela ethuneni elidlulayo, khona-ke likwazi ukuphendula nge-asidi. Le flue Bordeaux ingabangela ukushisa ukutshala izicubu. Lungisa isisombululo ngaphambi kokusetshenziswa, njengoba ilahlekelwa ngokushesha impahla yayo.
Kungani sidinga amanzi e-Bordeaux? Ukusetshenziswa kwale fungicide kusekelwe ezindaweni zayo ukubhubhisa ama-causative agents of various fungal diseases. Umlando wokusetshenziswa kwawo uye waba cishe iminyaka engaba ngu-100. I-Bordeaux fluid, okusetshenziselwa kuyo ukulimala kuhle futhi njenge-agent evimbelayo, isetshenziselwa sonke isikhathi semifino yezitshalo. Indlela yokusebenzisa le mithi?
I-Bordeaux liquid, okuyinto zonke izivini eziphoqelekile ukuzithenga, zivame ukusetshenziswa ngaphambi kokuvulwa kokuhluma (ukuphalaza kwentwasahlobo ekuseni). Ngezinye izikhathi lisetshenziswa ehlobo. Ukwelapha okuphindaphindiwe kuyadingeka ukuvikela amagilebhisi kusuka ezifweni zefungal. Iqeda ngokuphumelelayo ama-pathogens of moniliosis, isikhumba (amapheya kanye nama-apula), i-anthracnose ne-septoria (i-currant), isikhutha (ngamagilebhisi). Ngaphezu kokusebenzisa engadini, le fungicide isetshenziswa ngempumelelo ekulimeni. Ivikela amazambane kanye utamatisi kusukela ekukhanyeni okuphelile, ukhukhamba kusuka ku-peronosporosis.
Yini enye iBrandeaux esetshenziselwa? Isicelo sokulima nokulima: ukuphawula; Izithelo zivuthiwe; I-monsoon peach ishisa; I-anthracnose yama-raspberries ne-gooseberries; I-Peronaspor ihamba; I-alfalfa esetshenzisiwe; I-Downy powdery isikhutha kumakhabe, amakhabe, ukhukhamba kanye ne-sugar beet.
Abanye abantu abangenalwazi bavame ukusebenzisa kabi izidakamizwa ezikhethekile. Abantu abaningi bacabanga ukuthi i-Bordeaux fluid kufanelekile ukuphatha noma yisiphi isifo sezitshalo ezihlukahlukene. Ukusetshenziswa kwaleli fungicide akusizi ngalutho uma kuqhathaniswa ne-real mealy-mildew fungi. Ukucubungula ihektare elilodwa lezitimu zisebenzisa i-10-20 kg yeBordeaux ingxube, emasimini - 7-8 kg, emvinini nasebhentshini - 10-15 kg. Ukwelashwa kokugcina kwenziwa ezinsukwini ezingu-10-15 ngaphambi kokuvuna.
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