2,4 D

Ọkwa teknụzụ: 98% TC

Achọrọ nka maka ojiji:

1. Jikwaa oge ngwa na usoro onunu ogwu.N'oge a na-akụ ọka wit, a gaghị etinye ya n'oge (tupu akwụkwọ 4) ma ọ bụ n'oge (mgbe ijikọta ya).A ga-eji ahihia ndị nwere nnukwu ahịhịa (3-5) dị n'ọhịa mee ihe na ọkwa akwụkwọ, na-ezere obere okpomọkụ na ụbọchị akọrọ.Kpachara anya maka mmetụta uche dị iche iche nke ọka wit.

2. Ngwaahịa a na-enwe mmetụta nke ukwuu maka ihe ọkụkụ sara mbara dị ka owu, soybean, rapeseed, sunflower na egusi.Mgbe ị na-efesa ya, a ga-eme ya na ihu igwe na-enweghị ikuku ma ọ bụ ikuku.Afesala ma ọ bụ kpafuo n'ime ihe ọkụkụ dị nro ka ịzenarị phytotoxicity.E kwesịghị iji onye ọrụ a mee ihe n'ubi nwere ihe ọkụkụ nwere nnukwu akwụkwọ.

3. E tinyela akwụkwọ n'ụbọchị ikuku ma ọ bụ mgbe a na-atụ anya ka mmiri zoo.

4. A ga-eji ihe ọkụkụ eme ihe na otu ugboro n'oge ọ bụla, na ngwa ahụ kwesịrị ịdị na-adabere na usoro ọrụ.Ngwa ekwesịghị ịbụ n'oge ma ọ bụ akaha;Ọnọdụ okpomọkụ ekwesịghị ịdị oke ala ma ọ bụ dị elu n'oge a na-etinye ya (nke kachasị mma bụ 15 ℃～28 ℃).

Ntuziaka:

1.Weeding na oyi ubi ọka wheat na oyi ọka barley ubi: site na njedebe nke tillering na nkwonkwo ogbo nke ọka wit ma ọ bụ ọka bali, na 3-5 akwukwo ogbo nke ahịhịa, jiri 72% SL 750-900 ml kwa hectare, 40-50. n'arọ nke mmiri, na 40-50 n'arọ nke mmiri kwa hectare.Ahịhịa azuokokoosisi ịgba.

2.Weeding na ubi ọka: na 4-6 akwukwo ogbo nke Wang Mi, jiri 600-750 ml nke 72% SL kwa hectare, 30-40 n'arọ nke mmiri, na-efesa ị ga na epupụta nke ahịhịa.

3. Igbo na ubi sorghum: na 5-6 akwukwo ogbo sorghum, jiri 750-900 ml nke 72% SL kwa hectare, 30-40 n'arọ nke mmiri, na-efesa ị ga na epupụta nke ahịhịa.

4.Millet ubi weeding: na 4-6 akwukwo ogbo nke ọka seedlings, na-eji 6000-750 ml nke 72% SL kwa hectare, 20-30 n'arọ nke mmiri, na-efesa ị ga na epupụta nke ahịhịa.

5.Ahịhịa ahihia na ubi paddy: na njedebe nke ịkụ azụ osikapa, jiri 525-1000 ml nke 72% SL kwa hectare, ma fesa 50-70 n'arọ mmiri.

6.Ahịhịa ahịhịa: jiri 72% SL1500-2250 ml kwa hectare nke ahịhịa ahịhịa, ma fesaa 30-40 n'arọ mmiri.