Izindaba
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Izilawuli zokukhula kwezitshalo zilingana namahomoni?
Eminyakeni yamuva nje, kuye kwaba nezithelo eziningi kakhulu zesizini, futhi ekuqaleni kwentwasahlobo, ama-strawberries amasha namapentshisi azovela emakethe. Lezi zithelo zivuthwa kanjani ngaphandle kwesizini? Ngaphambili, abantu bebengacabanga ukuthi lesi yisithelo esitshalwe ku-greenhouse. Nokho, ngokubambisana ...Funda kabanzi -
I-Shenzhou 15th ibuyise irayisi le-ratooning, izibulala-zinambuzane kufanele zihambisane kanjani nentuthuko?
Ngomhla zizi-4 kuJuni, 2023, iqoqo lesine lamasampula okuhlola isayensi yasemkhathini avela esiteshini sasemkhathini saseShayina abuyela phansi nemojula yokubuya yomkhumbi-mkhathi i-Shenzhou-15. Uhlelo lokufaka isicelo emkhathini, kanye nemojula yokubuya yomkhumbi-mkhathi i-Shenzhou-15, yenze isamba esingu-15 e...Funda kabanzi -
Zisetshenziswa kanjani izibulala-zinambuzane zokukhucululwa kwendle?
Izibulala-zinambuzane ezihlanzekile zibhekisela kuma-ejenti asetshenziswa kakhulu emkhakheni wezempilo yomphakathi ukulawula ama-vector organisms nezinambuzane ezithinta ukuphila kwabantu. Ihlanganisa ikakhulukazi ama-ejenti okulawula izinto eziphilayo ezithwala izifo kanye nezinambuzane ezinjengomiyane, izimpukane, amazeze, amaphela, izimbuzane, imikhaza, izintuthwane kanye...Funda kabanzi -
Isimo esijwayelekile sokuthuthukiswa kobuchwepheshe bokubulala izinambuzane
Eminyakeni engu-20 edlule, izibulala-zinambuzane ezihlanzekile ezweni lakithi ziye zakhula ngokushesha. Okokuqala, ngenxa yokwethulwa kwezinhlobo eziningi ezintsha nobuchwepheshe obuthuthukile obuvela phesheya, futhi okwesibili, imizamo yamayunithi asekhaya afanelekile yenze iningi lezinto zokusetshenziswa eziyinhloko kanye nezinhlobo zemithamo ye-h...Funda kabanzi -
Isaziso seholide somkhosi wasentwasahlobo
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Isizukulwane sesithathu se-nicotinic insecticides - dinotefuran
Manje njengoba sesikhuluma ngesibulala-zinambuzane se-nicotinic yesizukulwane sesithathu i-dinotefuran, ake siqale silungise ukuhlukaniswa kwezibulala-zinambuzane ze-nicotinic. Isizukulwane sokuqala semikhiqizo ye-nicotine: imidacloprid, nitenpyram, acetamiprid, thiacloprid. Okumaphakathi okuyinhloko yi-2-chloro-5-chloromethylpy...Funda kabanzi -
Yiziphi izinambuzane ezibulala i-bifenthrin?
Utshani basehlobo bungabhekana nezinkinga eziningi, hhayi okungenani okuyinkathi eshisayo neyomile, futhi ngo-July no-August, omati bethu abangaphandle abaluhlaza bangaba nsundu esikhathini esingamaviki. Kodwa inkinga ecashile uquqaba lwamabhungane amancane adla iziqu, imiqhele nezimpande aze abangele idamu elibonakalayo...Funda kabanzi -
Yiziphi izitshalo ezifanele i-etherethrin? Isetshenziswa kanjani i-Ethermethrin!
I-Ethermethrin ifaneleka ekulawuleni irayisi, imifino nokotini. Inemiphumela ekhethekile ku-Homoptera, futhi inemiphumela emihle ezinambuzaneni ezihlukahlukene ezifana ne-Lepidoptera, i-Hemiptera, i-Orthoptera, i-Coleoptera, i-Diptera ne-Isoptera. Umphumela. Ikakhulukazi yokulawula irayisi planthopper umphumela rema...Funda kabanzi -
Indlela yokuvimbela izinambuzane kusuka kummbila? Imuphi umuthi ongcono kakhulu ongawusebenzisa?
Ummbila ungenye yezitshalo ezivame kakhulu. Abalimi bonke banethemba lokuthi ummbila abawutshalayo uzoba nesivuno esikhulu, kodwa izinambuzane nezifo zizonciphisa isivuno sombila. Ngakho ummbila ungavikeleka kanjani ezinambuzaneni? Imuphi umuthi ongcono kakhulu ongawusebenzisa? Uma ufuna ukwazi ukuthi yimuphi umuthi ongawusebenzisa ukuvikela izinambuzane...Funda kabanzi -
Ulwazi lwemithi yezilwane | Ukusetshenziswa kwesayensi kwe-florfenicol kanye nezinyathelo eziyi-12 zokuqapha
I-Flofenicol, i-synthetic monofluorinated derivative ye-thiamphenicol, isidakamizwa esisha esilwa namagciwane esibanzi se-chloramphenicol ukuze sisetshenziswe ezilwaneni, esakhiwa ngempumelelo ngasekupheleni kwawo-1980. Endabeni yezifo ezivamile, amapulazi amaningi ezingulube asebenzisa i-florfenicol njalo ukuvimbela ...Funda kabanzi -
Izinhlanganisela zemvelo zemvelo zangempela! Ukunqamula ibhodlela lobuchwepheshe lokumelana namakhemikhali e-acaricide!
Ama-Acaricides ayikilasi lezibulala-zinambuzane ezisetshenziswa kakhulu kwezolimo, izimboni nezinye izimboni. Isetshenziswa kakhulu ukulawula izibungu zezolimo, noma imikhaza emfuyweni noma ezifuyweni. Minyaka yonke umhlaba ulahlekelwa kakhulu ngenxa yezinambuzane eziwuhlupho. Ngokusho kweFood and Agriculture Organisation ye...Funda kabanzi -
Imuphi umuthi oxosha omiyane ophephe kakhulu futhi osebenza kahle kakhulu?
Omiyane beza njalo ngonyaka, kanjani ukubagwema? Ukuze bangahlukunyezwa yilawa ma-vampire, abantu bebelokhu bethuthukisa izikhali ezihlukahlukene zokubhekana nazo. Kusukela kumanethi omiyane okuvikela omiyane nezikrini zamafasitela, kuye kwizibulala-zinambuzane ezisebenzayo, izinto ezixosha omiyane, namanzi asendlini yangasese angaqondakali, kuya ...Funda kabanzi