Iindaba
-
Zithini iindima kunye nokusetyenziswa kwe-tebuconazole? Zeziphi izifo ezinokuthi zithintelwe yi-tebuconazole?
Izifo ezinokuthintelwa nge-tebuconazole fungicide (1) Izifo zezityalo zeenkozo Thintela isifo samabala amnyama okugquma kwengqolowa kunye nesifo samabala amnyama asasazekileyo, sebenzisa i-2% ye-dry dispersion agent okanye i-wet dispersion agent 100-150 grams okanye i-2% ye-dry powder seed coating agent 100-150 grams okanye i-2% ye-suspension seed...Funda ngokugqithisileyo -
Yintoni ekufuneka yenziwe ukuba i-mancozeb ibangela ubuthi kwizityalo? Landela la manqaku uze ungaphinde woyike.
Abalimi abaninzi baye bafumana ubuthi be-phytotoxicity xa besebenzisa i-mancozeb ngenxa yokukhethwa okungafanelekanga kwemveliso okanye ixesha elingafanelekanga lokusetyenziswa, idosi, kunye nokuphindaphindwa kwayo. Amatyala amancinci abangela ukonakala kwamagqabi, ubuthathaka be-photosynthesis, kunye nokukhula kakubi kwesityalo. Kwiimeko ezinzima, amabala amayeza (amabala amdaka, umthubi...Funda ngokugqithisileyo -
Ukuhlaselwa yizigcawu: Indlela yokuzisusa
Oku kungenxa yobushushu behlobo obuphezulu kunobuqhelekileyo (obakhokelela ekwandeni kwenani leempukane, ezithi ke zona zibe ngumthombo wokutya kwezigcawu), kunye neemvula zokuqala ezingaqhelekanga kwinyanga ephelileyo, ezibuyisele izigcawu emakhayeni ethu. Imvula ikwabangele ukuba izigcawu zihlaselwe ziintshaba...Funda ngokugqithisileyo -
Uvavanyo olulawulwa ngokungacwangciswanga lokuhlola unyango lwezinambuzane ezibulala intsholongwane ukulawula imalariya kwizindlu ezingatshintshwanga eTanzania | Ijenali yeMalariya
Ukufaka ii-insect-treated window nets (ITNs) kwi-eves evulekileyo, iifestile, kunye nezithuba zodonga kumakhaya angenazo izixhobo zokuqinisa yindlela yokulawula i-malaria. Oku kunokuthintela iingcongconi ukuba zingangeni ekhayeni, kunike iziphumo ezibulalayo nezingaphantsi kwengozi kwi-malaria vectors kwaye kunokunciphisa ubungozi...Funda ngokugqithisileyo -
Indlela yokusebenzisa amasuntswana abomvu e-fly bait
I. Imeko yokusetyenziswa Indawo yosapho Iindawo eziqhele ukuzalela iimpukane ezifana nekhitshi, ijikelezwe yinkunkuma, igumbi lokuhlambela, ibalcony, njl.njl. Ifanelekile kwiindawo apho iimpukane zibonakala khona ngamanye amaxesha kodwa akunamsebenzi ukusebenzisa izinto zokugxotha izinambuzane (ezifana nendawo ekufutshane nokutya). 2. Iindawo zikawonke-wonke kunye neendawo zorhwebo...Funda ngokugqithisileyo -
Idlala yiphi indima i-salicylic acid kwezolimo (njengesibulali-zinambuzane)?
I-Salicylic acid idlala indima ezininzi kwezolimo, kuquka ukuba ngumlawuli wokukhula kwezityalo, isibulali-zinambuzane, kunye nesibulali-zintsholongwane. I-Salicylic acid, njengomlawuli wokukhula kwezityalo, idlala indima ebalulekileyo ekukhuthazeni ukukhula kwezityalo kunye nokwandisa isivuno sezityalo. Ingaphucula ukwenziwa kweehomoni...Funda ngokugqithisileyo -
Uphando lubonisa ukuba zeziphi iihomoni zezityalo ezisabela kwizikhukula.
Zeziphi ii-phytohormones ezidlala indima ebalulekileyo kulawulo lwembalela? Ii-phytohormones ziqhelana njani notshintsho lwendalo? Iphepha elipapashwe kwijenali iTrends in Plant Science lichaza ngokutsha kwaye lihlela imisebenzi yeeklasi ezili-10 zee-phytohormones ezifunyenweyo ukuza kuthi ga ngoku kubukumkani bezityalo. Ezi m...Funda ngokugqithisileyo -
I-boric acid yokulawula izinambuzane: iingcebiso ezisebenzayo nezikhuselekileyo zokusebenzisa ekhaya
I-boric acid yiminerali exhaphakileyo efumaneka kwiindawo ezahlukeneyo, ukusuka emanzini olwandle ukuya emhlabeni. Nangona kunjalo, xa sithetha nge-boric acid esetyenziswa njengesibulali-zinambuzane, sibhekisa kwikhemikhali ekhutshwa kwaye ihlanjululwe kwiindawo ezityebileyo ze-boron kufutshane nemimandla yentaba-mlilo kunye namachibi awomileyo. Nangona...Funda ngokugqithisileyo -
Zithini iziphumo kunye nemisebenzi yeTetramethrin kunye nePermethrin?
Zombini i-permethrin kunye ne-cypermethrin zizinambuzane zokubulala izinambuzane. Imisebenzi kunye neziphumo zazo zingashwankathelwa ngolu hlobo lulandelayo: 1. I-Permethrin 1. Indlela yokusebenza: I-Permethrin ikwiklasi ye-pyrethroid yezinambuzane zokubulala izinambuzane. Iphazamisa kakhulu inkqubo yokuhambisa imithambo-luvo yesinambuzane, ine-contact k...Funda ngokugqithisileyo -
Ukuthengwa kweesoya eMelika kuye kwabangela umonakalo omkhulu, kodwa iindleko zisaqhubeka ziphezulu. Abathengi baseTshayina bandisa ukuthengwa kweesoya zaseBrazil.
Njengoko kulindeleke ukuba isivumelwano sorhwebo phakathi kweTshayina ne-US siqalise ukuqalisa kwakhona ukuthengiswa kwezinto ezivela eMelika ukuya kumthengisi wesoya omkhulu kwihlabathi, amaxabiso eesoya eMzantsi Melika anciphile kutshanje. Abathengisi besoya baseTshayina basanda kukhawulezisa ukuthengwa kwabo...Funda ngokugqithisileyo -
IMarike yoLawulo loKhulo lweZityalo kwiHlabathi liphela: Amandla aqhuba uLimo oluZinzileyo
Ishishini leekhemikhali liyaguqulwa yimfuno yeemveliso ezicocekileyo, ezisebenzayo nezingonakalisiyo indalo. Ubuchule bethu obunzulu ekufakeni umbane kunye nokwenza idijithali kwenza ishishini lakho likwazi ukufezekisa ulwazi lwamandla. Utshintsho kwiindlela zokusetyenziswa kunye netekhnoloji...Funda ngokugqithisileyo -
Iindlela zolawulo olusekelwe kumda zinganciphisa ukusetyenziswa kwezibulali-zinambuzane ngama-44% ngaphandle kokuchaphazela ulawulo lwezinambuzane nezifo okanye isivuno sesivuno.
Ulawulo lwezinambuzane nezifo lubalulekile kwimveliso yezolimo, lukhusela izityalo kwizinambuzane nezifo eziyingozi. Iinkqubo zolawulo ezisekelwe kumda, ezisebenzisa izibulali-zinambuzane kuphela xa ubuninzi bezinambuzane nezifo budlula umda obekiweyo, zinokunciphisa ukusetyenziswa kwezibulali-zinambuzane. Nangona kunjalo...Funda ngokugqithisileyo
