I-Oxadiazon yangaphambi kokuvela
Incazelo emfushane:
Isetshenziselwa ukulawula ukhula oluhlukahlukene lwaminyaka yonke lwe-monocotyledonous kanye ne-dicotyledonous.Ilungele ukuhlakula emasimini e-paddy, futhi iyasebenza nakumakinati, ukotini, umoba, njll. emasimini omile.Ukubulala othintana naye ngaphambi kokuvela kanye nomuthi wokubulala ukhula wangemva kokuvela.Umhlabathi nawo ungelashwa.Isebenza ngokuyinhloko ngokumuncwa ukhula, iziqu namaqabunga.Ingenza umsebenzi omuhle wokubulala ukhula ngaphansi kwezimo zokukhanya.Izwela kakhulu ukhula lapho luhluma.Ngokushesha lapho ukhula luhluma, luzoqhubeka lukhula njengama-bud sheath, izicubu zabo zizobola ngokushesha, futhi ukhula luzofa.
Isetshenziselwa ukulawula ukhula oluhlukahlukene lwaminyaka yonke lwe-monocotyledonous kanye ne-dicotyledonous.Ilungele ukuhlakula emasimini e-paddy, futhi iyasebenza nakumakinati, ukotini, umoba, njll. emasimini omile.Ukubulala othintana naye ngaphambi kokuvela kanye nomuthi wokubulala ukhula wangemva kokuvela.Umhlabathi nawo ungelashwa.Isebenza ngokuyinhloko ngokumuncwa ukhula, iziqu namaqabunga.Ingenza umsebenzi omuhle wokubulala ukhula ngaphansi kwezimo zokukhanya.Izwela kakhulu ukhula lapho luhluma.Ngokushesha lapho ukhula luhluma, luzoqhubeka lukhula njengama-bud sheath, izicubu zabo zizobola ngokushesha, futhi ukhula luzofa.
Njengoba ukhula lukhula, ukusebenza kahle kuyehla, futhi empeleni akusebenzi ngokumelene nokhula olukhulile.Ilungele ukulawula i-barnyardgrass, i-stephanotis, njll. emasimini erayisi.Ingasetshenziswa futhi okhulani lotshani lwaminyaka yonke kanye nokhula lwe-broadleaf ezitshalweni ezinjengokotini, ubhontshisi wesoya, isilimo esidliwayo esinamagatsha anamanzi, nezihlahla zezithelo.Inomphumela omuhle wokulawula ku-Amaranthaceae, Chenopodiaceae, Euphorbiaceae, Oxalisaceae, kanye ne-Opticalweeds.
i-oxadiazonindlela yokwenza
1. Amasimu erayisi
Irayisi yase-Upland, ukuchelela kwerayisi phezulu kanye namasimu okutshala imbewu.Ngemva kokuhlwanyela nangaphambi kokumila, sebenzisa u-100-150 ml we-12% EC ngehektare ngalinye, ungeze u-50 kg wamanzi, bese ufutha inhlabathi ngokulinganayo.Ngemuva kokuhlunga amasimu ezithombo kanye namasimu okutshala amanzi.Kungcono ukusebenzisa u-100-150 ml we-12% EC ihektare ngalinye kanye nama-25 kg wamanzi ukuchelela insimu yonke lapho insimu isagcwele udaka.Gcina ungqimba lwamanzi izinsuku ezingu-2-3, khipha futhi uhlwanyele.Ungakwazi futhi ukufafaza u-100 ml we-12% EC ihektare ngalinye kanye no-30 kg wamanzi ngokulinganayo phezu kwensimu yonke ngesikhathi seqabunga eli-1, isigaba senhliziyo esi-1 ukuya ku-2-leqabunga lezithombo.Gcina ungqimba olungajulile lwamanzi izinsuku ezi-3.
Insimu yokufakelwa kabusha ingenziwa izinsuku ezingu-1-2 ngaphambi kokutshala irayisi noma izinsuku ezingu-4-5 ngemva kokutshala.Sebenzisa u-125-150 ml we-12% EC ihektare ngalinye, sebenzisa ibhodlela langempela ukufaka, futhi ugcine ungqimba lwamanzi angashoni izinsuku ezi-3 ngemva kokufaka.Yomisa ngokwemvelo.Ukuphatha okuvamile kusukela manje.
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