2,4 D

Ka Papa Hana Hana: 98%TC

Nā koi ʻenehana no ka hoʻohana ʻana:

1. E hoʻomalu pono i ka manawa noi a me ka dosage.I ka wā mahiai o ka palaoa, ʻaʻole pono e hoʻohana ʻia i ke kakahiaka nui (ma mua o 4 lau) a i ʻole lohi loa (ma hope o ka hui ʻana).Pono e hoʻohana ʻia nā mauhelehele ākea ākea (3-5) ma ke kula ma ka pae lau, e pale aku i ka haʻahaʻa haʻahaʻa a me nā lā maloʻo.E makaʻala i ke ʻano o ka palaoa.

2. He mea maʻalahi kēia huahana i nā mea kanu lau ākea e like me ka pulupulu, soybean, rapeseed, sunflower a me melon.I ka wā e pīpī ai, pono e hoʻokō ʻia i ka makani ʻole a i ʻole ka makani.Mai kāpīpī a ʻauheʻe paha i loko o nā mea kanu koʻikoʻi e pale aku i ka phytotoxicity.ʻAʻole pono e hoʻohana ʻia kēia mea kanu ma nā māla me nā mea kanu lau ākea.

3. Mai noi i nā lā makani a i ʻole i ka wā e manaʻo ʻia e ua.

4. Pono e hoʻohana ʻia nā mea kanu i hoʻokahi manawa i kēlā me kēia kau, a pono e hoʻopili pono ʻia ka noi me nā kaʻina hana.ʻAʻole pono ke noi i ke kakahiaka nui a i ʻole lohi loa;ʻAʻole pono e haʻahaʻa a kiʻekiʻe paha ka mahana i ka wā e noi ai (ʻo ka mahana maikaʻi loa he 15 ℃～28 ℃).

Nā kuhikuhi:

1. Weeding i ka hooilo palaoa a me ka hooilo mahinaai: mai ka hopena o ka mahiʻai a hiki i ka hui hui o ka palaoa a me ka bale, ma ka 3-5 lau pae o ka mauu, e hoohana i 72% SL 750-900 ml no ka hectare, 40-50 kg wai, a me 40-50 kg wai no ka ʻeka.ʻEhu lau lāʻau mauʻu.

2. Weeding ma ka palaoa: ma ka 4-6 lau pae o Wang Mi, e hoʻohana i ka 600-750 ml o 72% SL no ka hectare, 30-40 kg o ka wai, a me ka pulupulu i na kumu a me na lau o ka mauu.

3. Weeding i ka sorghum mala: ma ka 5-6 lau o ka sorghum, e hoʻohana i ka 750-900 ml o 72% SL no ka ʻeka, 30-40 kg o ka wai, a pīpī i nā kumu a me nā lau o ka mauʻu.

4.Millet mala weeding: ma ka 4-6 lau pae o ka palaoa seedlings, e hoʻohana i 6000-750 ml o 72% SL no ka hectare, 20-30 kg o ka wai, a me ka pipi i na kumu a me ka lau o ka mauu.

5. Ka hoomalu ana i ka weed ma ka paddy: i ka pau ana o ka mahi laiki, e hoohana i ka 525-1000 ml o 72% SL no ka eka, a me ka ehu 50-70 kg o ka wai.

6. Lawn weeding: e hoʻohana i 72% SL1500-2250 ml no ka ʻeka o ka mauʻu mauʻu, a e kāpī i 30-40 kg o ka wai.