I-Oxadiazon yangaphambili
Inkcazelo emfutshane:
Isetyenziselwa ukulawula iintlobo ezahlukeneyo zokhula lwe-monocotyledonous kunye ne-dicotyledonous.Kufanelekile ukuhlakula emasimini e-paddy, kwaye iyasebenza nakwi-peanuts, ikotoni, i-sugar cane, njl.Ukubulala ukhula kwangaphambi kokuhluma kunye ne-post-emergence herbicide.Umhlaba nawo unokunyangwa.Isebenza ikakhulu ngokufunxwa ngamathupha okhula, izikhondo kunye namagqabi.Inokwenza umsebenzi olungileyo wokutshabalalisa ukhula phantsi kweemeko zokukhanya.Inovelwano ngakumbi kukhula kwibakala labo lokuhluma.Ngokukhawuleza nje ukuba ukhula luntshule, luya kuqhubeka lukhula njengama-bud sheaths, izicubu zabo ziya kubola ngokukhawuleza, kwaye ukhula luya kufa.
Isetyenziselwa ukulawula iintlobo ezahlukeneyo zokhula lwe-monocotyledonous kunye ne-dicotyledonous.Kufanelekile ukuhlakula emasimini e-paddy, kwaye iyasebenza nakwi-peanuts, ikotoni, i-sugar cane, njl.Ukubulala ukhula kwangaphambi kokuhluma kunye ne-post-emergence herbicide.Umhlaba nawo unokunyangwa.Isebenza ikakhulu ngokufunxwa ngamathupha okhula, izikhondo kunye namagqabi.Inokwenza umsebenzi olungileyo wokutshabalalisa ukhula phantsi kweemeko zokukhanya.Inovelwano ngakumbi kukhula kwibakala labo lokuhluma.Ngokukhawuleza nje ukuba ukhula luntshule, luya kuqhubeka lukhula njengama-bud sheaths, izicubu zabo ziya kubola ngokukhawuleza, kwaye ukhula luya kufa.
Njengoko ukhula lukhula, ukusebenza kakuhle luyehla, kwaye alusebenzi ngokuchasene nokhula olukhulileyo.Kufanelekile ukulawula i-barnyardgrass, i-stephanotis, njl. kwiindawo zerayisi.Isenokusetyenziswa kukhula lwengca yonyaka kunye nokhula lwamagqabi abanzi kwizityalo ezinjengomqhaphu, iimbotyi zesoya, iseleri, kunye nemithi yeziqhamo.Inesiphumo esilungileyo solawulo kwi-Amaranthaceae, Chenopodiaceae, Euphorbiaceae, Oxalisaceae, kunye ne-Opticalweeds.
oxadiazonindlela yokwenza
1. Amasimi erayisi
Irayisi yase-Upland, ukunkcenkceshela irayisi kunye namasimi embewu ngokuthe ngqo.Emva kokuhlwayela naphambi kokuntshula, sebenzisa i-100-150 ml ye-12% EC ngehektare nganye, galela i-50 kg yamanzi, kwaye utshize umphezulu womhlaba ngokulinganayo.Emva kokuhluza amasimi ezithole kunye namasimi okutyala amanzi.Kungcono ukusebenzisa i-100-150 ml ye-12% ye-EC ngehektare nganye kunye ne-25 kg yamanzi ukutshiza intsimi yonke xa intsimi isenodaka.Gcina umaleko wamanzi kangangeentsuku ezi-2-3, khupha amanzi kwaye uhlwayele.Ungatshiza kwakhona i-100 ml ye-12% ye-EC ngehektare nganye kunye ne-30 kg yamanzi ngokulinganayo phezu kwentsimi yonke ngexesha legqabi eli-1, inqanaba lentliziyo eli-1 ukuya kwe-2 leqabunga lezithole.Gcina umaleko ongekho nzulu wamanzi kangangeentsuku ezi-3.
Intsimi yokutshintshwa ingenziwa iintsuku ezi-1-2 ngaphambi kokutshintshwa kwerayisi okanye iintsuku ezi-4-5 emva kokutshintshwa.Sebenzisa i-125-150 ml ye-12% ye-EC ngehektare nganye, sebenzisa ibhotile yokuqala ukugalela, kwaye ugcine umaleko wamanzi ongekho nzulu iintsuku ezi-3 emva kokufakwa.Yomisa ngokwendalo.Ulawulo oluqhelekileyo ukusuka ngoku ukuya phambili.
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