Nthawi zambiri pamakhala kukakamira kwa oyang'anira sitolo za mbatata kuti aziona mosamala momwe mpweya wa carbon dioxide (CO2) umagwirira ntchito. Komabe, oyang'anira awa amakumana ndi malingaliro osiyanasiyana. Akatswiri osungira zinthu ku Sutton Bridge Crop Storage Research akufuna kuthetsa mkanganowu poyeserera kosungira kosalekeza.
Tubers amapuma ndipo kudzera munjira imeneyi, amatulutsa carbon dioxide (CO2). Njirayi ikupitilira m'masitolo momwe mpweya umapezekera m'mlengalenga amathanso kutayika kudzera pakudontha kapena kutsuka basi kapena pamanja).
Pakadali pano tikulimbikitsidwa kuti milingo ya CO2 isungidwe m'munsi mozungulira 3,000 ppm., Zomwe zimawerengedwa kuti ndizowoneka bwino mwachangu pakupanga mitundu. Ngakhale kusunga m'munsi mwa milanduyi sikunali vuto pomwe CIPC idagwiritsidwa ntchito, kugwiritsa ntchito mafuta amchere (Biox-M) kwafuna kusintha kwakukulu pakuwongolera masitolo, makamaka kutsekedwa kwa sitolo, zomwe zidadzetsa nkhawa zakukhudzidwa kwa CO2 -up pamtengo wokolola.
Nthawi yotsekera mafuta ndi sitolo
Kutsatira kugwiritsa ntchito mafuta a timbewu tonunkhira, malo ogulitsira amayenera kutsekedwa kwa maola osachepera 48 kuti atsimikizire kuyamwa kwabwino kwa omwe ali ndi tubers. SBCSR yakhala ikufufuza ngati kuchuluka kwa CO2 komwe kumachitika chifukwa chotsekedwa kwa malo ogulitsa kumakhudza mtundu wa mwachangu wa mitundu yosanja.
Maboma awiri otsekera masitolo akufanizidwa. Mmodzi wokhala ndi sitoloyo sanathe kupitirira 3,000 ppm carbon dioxide ndikusindikizidwa kwa maola 48 atagwiritsa ntchito mafuta a timbewu tonunkhira ndipo winayo adakwanitsa 10,000 ppm ndikusindikizidwa kwa maola 72 pambuyo poti agwiritse ntchito. Pambuyo masabata a 35 m'masitolo, palibe kusiyana kwakukulu kwamtundu wachangu komwe kunawoneka pakati pa maboma awiri otsekera sitolo, kuwonetsa kuti kaboni dayokisaidi siyofunikira pakudziwitsa mtundu wachangu.
Koma ndikofunikira kulingalira kuti izi zichitike, ethylene ayenera kukhalabe kwina. Kumbukirani, magwero a ethylene amatha kukhala mafuta osatenthedwa ndi mafuta oyendera mafuta, kuipitsidwa kuchokera m'sitolo yoyandikana nayo yogwiritsira ntchito ethylene ngati chopondera mphukira kapena kungotulutsa gasi kapena galimoto ya forklift yomwe imagwiritsidwa ntchito m'sitolo.
Kafukufuku wam'mbuyomu adawonetsa kuti kulumikizana pakati pa CO2 ndi ethylene kumawononga mtundu wachangu. Pa ntchitoyi, mulingo wochepa kwambiri wa ethylene (0.25 ppm) ulipo, kaboni dayokisaidi yamdima mtundu wachangu kotero momwe mpweya wa carbon dioxide umakulira, mdima wandiweyani umakhala wakuda.
Pitirizani kuyang'anira CO2 ndikusankha mosamala mosamala
Ngati mtundu wachangu ndi wofunikira kwa kasitomala anu, m'malo ogulitsira a Biox-M, tikulimbikitsidwa kuti mugwiritse ntchito fogger yamagetsi kapena kutentha kuti mupake mafuta timbewu. Izi zidzaonetsetsa kuti ethylene ilibe nthawi yotsekera nthawi yayitali kutsatira kugwiritsa ntchito ndikuchepetsa zovuta zamtundu wachangu.
Sitikunena kuti kasamalidwe ka kaboni dayokisaidi ayenera kumasuka pamene ethylene imagwiritsidwa ntchito ngati choponderetsa mphukira. M'machitidwe awa, ndikofunikira kupitiliza kuwunika ma CO2 pafupipafupi.
Mpweya woipa umatha kukhala pachiwopsezo kuumoyo wa anthu nthawi zina kotero ndikofunikira kutsatira Malangizo a Health and Safety Executive kuphatikiza malire oyenera pantchito.