Ngwaahịa a bụ ngwakọta nke sulfonylurea na amide herbicides. Ọ nwere ike igbochi njikọ nke amino acids na protein na ahịhịa. Ọ bụ ahịhịa ahọpụtara maka ubi osikapa nwere mkpụrụ ozugbo.
Nkọwapụta | Ihe mgbochi | Usoro onunu ogwu |
Bensulfuron Methy2%l+Propisochlo | Ahịhịa kwa afọ na ubi osikapa | 1200-1500 ml |
1. Jiri pesticides 2-5 ụbọchị mgbe osikapa gachara. A na-enweta mmetụta ịhịhịa kacha mma mgbe ahihia barnyard na-epulite ruo n'ogo nke agịga. Mgbe ahihia barnyard tolitere otu akwukwo na otu obi, a ga-abawanye dose ahụ nke ọma. Mmiri oriri bụ 30-40 lita / acre. Jide n'aka na-ama jijiji ngwaahịa a nke ọma tupu enyefee ya. Mgbe ị na-ekesa, gbazee ngwaahịa a n'ụzọ zuru ezu n'ime obere iko nwere mmiri dị ọcha, wee wụsa ya n'ime bọket na-agba mmiri nke jupụtara na mmiri ọkara, ma gbakwunye mmiri zuru oke, gwakọta nke ọma, fesaa ya.
2. Mgbe akwụkwọ abụọ nke mkpụrụ osisi ahụ ghọrọ otu, ha ga-ejupụta na mmiri na-emighị emeri iji hụ na a na-arụ ọrụ nke ọma nke ọgwụ ahụ.
3. Biko ejila ya n'ụbọchị ikuku ma ọ bụ mgbe a na-atụ anya mmiri ozuzo n'ime awa 1. Ụkpụrụ maka iji ngwaahịa eme ihe n'enweghị nsogbu: Jiri ihe ruru otu ugboro kwa oge ihe ubi.