Mmetụta dị ukwuu maka Dazomet 98% Tc

Ngwa

Ọgwụ ahụhụ dị obosara. nematocides nwere ọrụ fumigation nwere ike imebi methyl isothiocyanate, formaldehyde na hydrogen sulfide na ala, ma nwee mmetụta igbu mmadụ na rhizoma nematode, stem nematode na heteroderma nematode. Tụkwasị na nke ahụ, ọ nwere mmetụta ụmụ ahụhụ, bactericidal na herbicidal, n'ihi ya, ọ nwekwara ike na-emeso fungi ala, pests n'okpuru ala na ahịhịa chenopodium, dị ka poteto rhizoctonia, ala polypteroptera ụmụ ahụhụ, kowbeetles, May scarab larvae na na. Iji 98% particulate agent 750 ~ 900g/100m2 ájá ájá, 900 ~ 1050g / 100m2 ụrọ dị ka ala ọgwụgwọ, gbasaa ma ọ bụ trenchi ngwa, Chemicalbook nwere ike ịchịkwa nri na peanut nematode ọrịa. 75% wettable ntụ ntụ 1125g/100m2 nwere ike iji chịkwaa nduku mgbọrọgwụ nematode ọrịa.
Ala fumigant, methyl thioisothiocyanate nematocide, nakwa iji gwọọ fungi, pests n'okpuru ala na ahihia, nke a makwaara dị ka mkpochapụ ngwa ngwa. A na-emebi ngwaahịa ahụ n'ime ala ka ọ bụrụ methylaminomethyl dithiocarbamate, ma gaa n'ihu na-etolite methyl isothiocyanate. Ọ nwere ike ijikwa nematodes na fungi ala nke ọma, dị ka nje bacteria catapplexy, bacteria filarial, fusarium, wdg, ma nwee ike igbochi uto nke ọtụtụ ahịhịa. Ọ nwere mmetụta nchịkwa dị mma na owu na-acha odo odo.

Usoro disinfection

(1) Tupu iji Dazomet, hichaa mgbọrọgwụ nke ihe ọkụkụ ikpeazụ, ma tinye fatịlaịza ntọala nke ihe ọkụkụ na-esote chọrọ.
(2) Gbaa mbọ hụ na mmiri dị n'ime ala ruru ihe dịka 50-60% nke ikike mmiri nke ubi, ọ bụrụ na ọ dabaraghị ọkọlọtọ, ị nwere ike ịgbanye mmiri n'ọhịa; Ụbọchị 3-5 mgbe mmiri gachara, jiri igwe na-atụgharị ma gbajie ala iji hụ na permeability nke ala.
(3) Mgbe ị na-eji Dazomet, okpomọkụ kwesịrị ekwesị nke ala bụ 12-18 Celsius C, na opekempe enweghị ike ịbụ ihe na-erughị 6 Celsius.
(4) Jiri 25-40g nke Dazomet kwa mita ala. N'ime ha, iji kukumba, ose dị ụtọ, ose griin haus bụ 20-25kg/ mu, ojiji nke tomato griin ha bụ 25-30kg/ mu, na ojiji nke strawberry griin haus bụ 15-20kg/ mu.
(5) Tinye ọgwụ ahụ n'otu n'otu n'elu, wee jiri ihe ọkụkụ na-atụgharị rotary maka ịkọ ugbo (ihe omimi bụ 25-30cm), nke mere na ịrị elu Dazomet zuru ezu na kọntaktị na oyi akwa na-akụ ihe iji nweta oke arụmọrụ. Ọ bụrụ na nematode mgbọrọgwụ mgbọrọgwụ na-apụta nke ọma, omimi nke ịkụgharị rotary kwesịrị ịbụ 40cm, a ga-etinyekwa oke oke nke iji ọgwụ eme ihe.
(6) Mgbe etinyere ya, a na-efesa mmiri n'elu iji mepụta gas na-ekpochapụ (methyl isothiocyanate, formaldehyde na hydrogen sulfide).
(7) Na-ekpuchi ihe nkiri ahụ (ọkpụrụkpụ agaghị abụ ihe na-erughị 6 silk), wee jikọta ihe nkiri ahụ na ala ọhụrụ, ekwela ka ikuku disinfection pụta, ma debe okpomọkụ nke ala na 10cm na 20 ℃, mechiri emechi maka ihe dị ka ụbọchị 15-20 (na ihu igwe dị ala, a ga-agbatị oge fumigation).
(8) Mgbe ịgbasa ọrịa ahụ, kpughee ihe nkiri ahụ, ma jiri plow rotary mee ka ikuku dị n'ala, hapụ gas na-egbu egbu nke fọdụrụ n'ime ala, na-ekupụ ikuku ruo ihe dị ka ụbọchị iri na ise (mgbe ihu igwe dị oyi na mmiri, gbasaa oge ikuku, mgbe ihu igwe dị ọkụ ma kpọọ nkụ, belata oge ikuku).
(9) Enwere ike ịgha mkpụrụ mgbe a kpochapụrụ ya.

Mechanism nke Dazomet ọganihu

1. Dazomet bụ ihe na-ekpo ọkụ na-ekpo ọkụ na gburugburu ebe obibi na gburugburu ebe obibi na-arụ ọrụ nke ọma, obere nsị na enweghị ihe fọdụrụnụ.
2. Mgbe etinyere ya na ala mmiri, ọ na-erepịa ya n'ime methyl isothiocyanate na-egbu egbu, formaldehyde na hydrogen sulfide n'ime ala, na-agbasa ngwa ngwa na ihe ndị dị n'ala, na-egbu egbu dị iche iche nematodes, pathogens, pests n'okpuru ala na germination ahihia osisi n'ime ala, iji nweta mmetụta nke ihicha ala.
3. ngwa na-emetụta nke ukwuu site na ala okpomọkụ na iru mmiri na ala Ọdịdị, ojiji nke ala okpomọkụ kwesịrị ịdị ukwuu karịa 12 Celsius C, 12-30 Celsius C bụ ihe kasị kwesị ekwesị, ala iru mmiri karịrị 40% (iru mmiri na aka tuo ala nwere ike na-etolite otu, 1 mita elu nwere ike chụsasịrị mgbe dara n'ala dị ka ọkọlọtọ).