1. Ƙayyade lokacin spraying bisa ga yanayin zafi da yanayinsa
Ko tsire-tsire ne, kwari ko ƙwayoyin cuta, 20-30 ℃, musamman 25 ℃, shine mafi kyawun zafin jiki don ayyukansu. Fesa a wannan lokacin zai zama mafi tasiri ga kwari, cututtuka da weeds waɗanda ke cikin lokacin aiki, kuma mafi aminci ga amfanin gona. A lokacin rani mai zafi, lokacin fesa ya kamata ya kasance kafin karfe 10 na safe da kuma bayan karfe 4 na yamma A cikin yanayi mai sanyi na bazara da kaka, ya kamata a zabi bayan karfe 10 na safe da kuma kafin karfe 2 na yamma A cikin greenhouses a cikin hunturu da bazara, yana da kyau a fesa da safe a rana mai dumi da rana.
II. Ƙayyade lokacin aikace-aikacen magungunan kashe qwari dangane da zafi da yanayin sa
Bayan damaganin kashe kwariMaganin da aka fesa daga bututun bututun ƙarfe a kan manufa, yana buƙatar watsawa don samar da fim ɗin da ya dace a kan maƙasudin da aka yi niyya don rufe saman da aka yi niyya zuwa mafi girma kuma "danne" kwari da cututtuka a kan manufa. Tsarin daga ƙaddamarwa zuwa faɗaɗa maganin maganin kashe qwari yana shafar abubuwa daban-daban, daga cikinsu akwai tasirin zafi na iska yana da mahimmanci. Lokacin da zafin iska ya yi ƙasa sosai, damshin da ke cikin ɗigon magungunan kashe qwari zai yi saurin ƙafewa cikin iska, kuma tun ma kafin maganin kashe qwari ya bazu a saman da ake niyya, wannan ba makawa zai rage tasirin magungunan kashe qwari har ma ya haifar da lalacewar gurɓataccen wuri. Lokacin da zafin iska ya yi yawa, maganin kashe kwari da aka ajiye a saman shuka, musamman ma manyan ɗigon ruwa, yana yiwuwa ya haɗu zuwa cikin manyan ɗigon ruwa kuma ya shafa shi da nauyi don sakawa a ƙasan shukar kuma, wanda kuma zai haifar da lalacewar ƙwayoyin cuta. Don haka, lokacin da ake amfani da maganin kashe qwari a rana yana buƙatar bin ka'idoji guda biyu: ɗaya shine zafi na iska ya ɗan bushe, ɗayan kuma shine cewa maganin kashe kwari yana iya samar da busasshen fim ɗin maganin kashe qwari a saman da ake nufi kafin faduwar rana bayan an shafa.
III. Kuskure guda uku na gama gari a cikin aikace-aikacen maganin kashe qwari
1. Kawai ƙayyade adadin magungunan kashe qwari a cikin kowane guga dangane da rabon dilution
Yawancin mutane sun saba da ƙididdige adadin magungunan kashe qwari da za a saka a kowace guga bisa ga ma'aunin dilution. Duk da haka, wannan ba abin dogara ba ne. Dalilin sarrafawa da ƙididdige yawan adadin magungunan kashe qwari da za a ƙara a cikin kwandon magungunan kashe qwari shine don ƙayyade adadin da ya dace na kowane yanki na shuka don tabbatar da inganci da aminci ga tsire-tsire da muhalli. Bayan ƙara yawan adadin magungunan kashe qwari zuwa kowane guga dangane da rabon dilution, wajibi ne a ƙididdige adadin buckets da ake buƙata a kowace acre, saurin fesa, da sauran cikakkun bayanai. A halin yanzu, saboda ƙayyadaddun aiki, mutane da yawa sukan ƙara ƙarin magungunan kashe qwari a cikin tankin magungunan kashe qwari da kuma fesa da sauri. Wannan hanyar da aka juyar a fili ba daidai ba ce. Mafi ma'aunin ma'auni shine zaɓin mai feshi tare da mafi kyawun aikin feshi ko ƙara maganin kashe kwari bisa ga umarnin samfur kuma a fesa a hankali.
2. Mafi kusancin bututun ƙarfe yana zuwa ga manufa, mafi kyawun inganci
Bayan an fesa ruwan maganin kashe qwari daga bututun ƙarfe, sai ya yi karo da iska kuma ya karye cikin ƙananan ɗigon ruwa yayin da yake gaggawar gaba. Sakamakon wannan motsi mai rikicewa shine cewa ɗigon ruwa ya zama ƙarami kuma ƙarami. Wato, a cikin wani tazara mai nisa, mafi nisa daga bututun ƙarfe, ƙaramin digo. Ƙananan ɗigon ruwa suna da yuwuwar ajiya da yadawa akan manufa. Sabili da haka, ba lallai ba ne gaskiya cewa inganci zai zama mafi kyau lokacin da bututun ƙarfe yana kusa da shuka. Gabaɗaya, don injin feshin wutar lantarki na jakar baya, bututun ya kamata a ajiye shi a nesa da santimita 30-50 daga abin da aka yi niyya, kuma ga masu fesa wayar hannu, yakamata a ajiye shi a nesa da kusan mita 1. Ta hanyar jujjuya bututun ƙarfe don ƙyale hazowar magungunan kashe qwari ta faɗo a kan abin da ake nufi, ingancin zai yi kyau.
3. Karamin digo, mafi kyawun inganci
Karamin digo ba lallai bane ya fi kyau. Girman ɗigon ruwa yana da alaƙa da mafi kyawun rarraba shi, sakawa, da yadawa akan manufa. Idan ɗigon ya yi ƙanƙanta, zai yi shawagi a cikin iska kuma yana da wahala a ajiye shi a kan abin da ake nufi, wanda ba shakka zai haifar da lalacewa; idan ɗigon ya yi girma sosai, ruwan maganin kashe qwari da ke birgima a ƙasa shi ma zai ƙaru, wanda shi ma sharar gida ne. Sabili da haka, ya zama dole don zaɓar mai fesa mai dacewa da bututun ƙarfe bisa ga maƙasudin sarrafawa da yanayin sararin samaniya. A cikin ingantacciyar hanyar da aka rufe don sarrafa cututtuka da fararen kwari, aphids, da sauransu, ana iya zaɓar injin hayaƙi; a cikin fili don sarrafa waɗannan cututtuka da kwari, ya kamata a zaɓi mai fesa tare da manyan ɗigon ruwa a yi amfani da shi.
Lokacin aikawa: Nuwamba-26-2025