Iindaba
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Abalawuli bokukhula kwezityalo balingana namahomoni?
Kwiminyaka yakutshanje, kuye kwakho iziqhamo ezingaphezulu nangakumbi zexesha, kwaye ekuqaleni kwentwasahlobo, amaqunube amatsha kunye neepesika ziya kuvela kwimarike. Zivuthwa njani ezi ziqhamo ngaphandle kwexesha lonyaka? Ngaphambili, abantu babeza kucinga ukuba esi siqhamo sikhule kwi-greenhouse. Nangona kunjalo, ngokubambisana ...Funda ngokugqithisileyo -
I-Shenzhou ye-15 ibuyise irayisi ye-ratooning, izibulali-zinambuzane kufuneka zihambelane njani nophuhliso?
Ngomhla wesi-4 kuJuni, ngo-2023, ibhetshi yesine yeesampulu zovavanyo lwenzululwazi yasemajukujukwini ukusuka kwisikhululo samajukujuku saseTshayina zabuyela emhlabeni kunye nemodyuli yokubuya yesiphekepheke saseShenzhou-15. Inkqubo yokusetyenziswa kwendawo, kunye nemodyuli yokubuya ye-spacecraft ye-Shenzhou-15, iqhutywe i-15 e...Funda ngokugqithisileyo -
Zisetyenziswa njani izitshabalalisi zococeko?
Izitshabalalisi zococeko zibhekisa kwiiarhente ezisetyenziswa kakhulu kwindawo yempilo yoluntu ukulawula izinto eziphilayo ezithwalayo kunye nezitshabalalisi ezichaphazela ubomi babantu. Ibandakanya ikakhulu iiarhente zokulawula izinto eziphilayo zezilwanyana kunye nezitshabalalisi ezifana neengcongconi, iimpukane, iintakumba, amaphela, amantshontsho, amakhalane, iimbovane kunye...Funda ngokugqithisileyo -
Imeko jikelele yophuhliso lococeko lobuchwephesha bokubulala izinambuzane
Kwiminyaka engama-20 edluleyo, amayeza ococeko elizwe lam aphuhliswe ngokukhawuleza. Okokuqala, ngenxa yokwaziswa kweentlobo ezininzi ezintsha kunye nobuchwepheshe obuphambili obuvela phesheya, kwaye okwesibini, iinzame zeeyunithi zasekhaya ezifanelekileyo zenze ukuba uninzi lwezinto eziphambili kunye neefom zedosi ye-h ...Funda ngokugqithisileyo -
Isaziso seholide somthendeleko wasentwasahlobo
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Isizukulwana sesithathu se-nicotinic insecticides - dinotefuran
Ngoku ukuba sithetha ngesizukulwana sesithathu se-nicotinic insecticide dinotefuran, masiqale silungise ulwahlulo lwezinambuzane ze-nicotinic. Isizukulwana sokuqala seemveliso ze-nicotine: imidacloprid, nitenpyram, acetamiprid, thiacloprid. Eyona nto iphakathi yi-2-chloro-5-chloromethylpy...Funda ngokugqithisileyo -
Zeziphi izinambuzane ezibulawa yi-bifenthrin?
Ingca yasehlotyeni inokuba nengxaki ezininzi, hayi eyona incinci ishushu, ixesha elomileyo, kwaye ngoJulayi no-Agasti, iimethi zethu eziluhlaza zangaphandle zinokujika zibe mdaka kwisithuba seeveki. Kodwa ingxaki ekhohlisayo ngakumbi libubu leebhungane ezincinci ezidla izikhondo, izithsaba kunye neengcambu de zibangele idama elibonakalayo ...Funda ngokugqithisileyo -
Zeziphi izityalo ezilungele i-etherethrin? Uyisebenzisa njani iEthermethrin!
I-Ethermethrin ifanelekile ukulawula irayisi, imifuno kunye nekotoni. Ineempembelelo ezikhethekileyo kwiHomoptera, kwaye ineempembelelo ezintle kwizinambuzane ezahlukahlukeneyo ezifana neLepidoptera, Hemiptera, Orthoptera, Coleoptera, Diptera kunye ne-Isoptera. Isiphumo. Ingakumbi irayisi planthopper isiphumo ulawulo rema...Funda ngokugqithisileyo -
Indlela yokuthintela izinambuzane kwimbona? Leliphi iyeza elilungele ukusetyenziswa?
Umbona sesinye sezona zityalo zixhaphakileyo. Bonke abalimi banethemba lokuba umbona abawulimayo uya kuba nesivuno esikhulu, kodwa izitshabalalisi nezifo ziya kunciphisa isivuno sombona. Ngoko umbona unokukhuselwa njani kwizinambuzane? Leliphi iyeza elilungele ukusetyenziswa? Ukuba ufuna ukwazi ukuba leliphi iyeza onokulisebenzisa ukuthintela isinambuzane...Funda ngokugqithisileyo -
Ulwazi ngamachiza ezilwanyana | Ukusetyenziswa kwenzululwazi ye-florfenicol kunye ne-12 yokhuseleko
I-Flofenicol, i-synthetic monofluorinated derivative ye-thiamphenicol, lichiza elitsha le-antibacterial elibanzi elibanzi le-chloramphenicol ukuze lisetyenziswe kunyango lwezilwanyana, elaphuhliswa ngempumelelo ekupheleni koo-1980. Kwimeko yezifo eziqhelekileyo, iifama ezininzi zeehagu zisebenzisa i-florfenicol rhoqo ukuthintela ...Funda ngokugqithisileyo -
Iikhompawundi zoqobo zebhayoloji yendalo! Ukophula umqobo wobugcisa wokuxhathisa imichiza yeakharisayidi!
I-Acaricides ludidi lwezitshabalalisi ezisetyenziswa kakhulu kwezolimo, kushishino nakwamanye amashishini. Isetyenziswa kakhulu ekulawuleni amangolwane ezolimo, okanye amakhalane kwimfuyo okanye kwizilwanyana zasekhaya. Rhoqo ngonyaka ihlabathi lifumana ilahleko enkulu ngenxa yezinambuzane ezitshabalalisayo. Ngokutsho kweFood and Agriculture Organisation ye...Funda ngokugqithisileyo -
Sesiphi isixhobo sokugxotha iingcongconi sesona sikhuselekileyo nesisebenzayo?
Iingcongconi ziza rhoqo ngonyaka, njani ukuziphepha? Ukuze bangakhathazwa ngala mavampire, abantu bebesoloko bevelisa izixhobo ezahlukahlukeneyo zokulwa. Ukusuka kwiminatha yokhuselo lweengcongconi kunye nezikrini zefestile, ukuya kwizitshabalalisi ezisebenzayo, izigxothi zeengcongconi, kunye namanzi angasese angaqondakaliyo, ukuya ...Funda ngokugqithisileyo