Khofi wambiri padziko lapansi amalimidwa kumadera otentha. Komabe, kusintha kwanyengo kumatha kulola khofi kukula kumpoto - mwachitsanzo, ku Florida.
Kuti amvetsetse momwe izi zingagwire ntchito, asayansi a ku yunivesite ya Florida akukula kale zomera za khofi ku UF / IFAS Plant Science Research and Education Unit, pafupifupi mphindi 30 kumwera kwa kampu yayikulu ya UF ku Gainesville.
Kafukufukuyu tsiku lina atha kupanga chikho cham'mawa cha chisangalalo chochokera ku Sunlight State.
Mgwirizano pakati pa UF Herbert Wertheim College of Engineering ndi UF/IFAS, pulojekitiyi imathandizidwa ndi thandizo lochokera ku USDA National Institute of Food and Agriculture.
Nyengo
“Khofi ndi mbewu yapadziko lonse lapansi yomwe ikukumana ndi mavuto akulu chifukwa cha kusintha kwa nyengo. Pakalipano, dziko lapansi likudziwa zochepa kwambiri za mizu ya zomera za khofi, mapangidwe awo ndi ntchito yawo pansi pa kusintha kwa nyengo. Mizu ndi mfundo zofunika kwambiri pakuchita izi, "adatero Rowland.
Komabe, mizu sizovuta kuphunzira - osati chifukwa chakuti ndi mobisa.
"Njira zambiri zophunzirira mizu yamoyo pamapeto pake zimaphatikizapo kuwononga mizu kapena kukula kwa zomera kumalo opangira ma laboratory," anatero Chris Wilson, pulofesa wothandizira wa agroecology mu dipatimenti ya agronomy, ndi membala wa gulu lofufuza za khofi. Stefan Gerber, pulofesa wothandizira pa dipatimenti ya sayansi ya nthaka ndi madzi, nayenso ali m'gululi.
Kuti amvetsetse momwe khofi imamera m'munda, ofufuzawo akugwiritsa ntchito minirhizotrons, machubu omveka bwino apulasitiki okhala ndi makamera ang'onoang'ono mkati. Zidazi zimayikidwa mobisa pambali pa zomera kuti zilembe zithunzi za mizu yawo.
Ma Minirhizotron amasonkhanitsa zambiri kotero kuti zingatenge nthawi yayitali kuti wina azisefa zonse, adatero Rowland.
Hyperspectral imaging system
Ndicho chifukwa chake asayansi a UF/IFAS akugwirizana ndi Alina Zare ndi Sanjeev Koppal ku College of Engineering kuti agwiritse ntchito nzeru zopangapanga ndi luso la kuphunzira makina kuti athe kukonza ndi kufulumizitsa ntchitoyi.
Zare ipanga njira zanzeru zopangira kuti zizitha kukonza zokha ndikumvetsetsa zithunzi za minirhizotron. Koppal apanga makina atsopano a makompyuta a vision-based hyperspectral imaging kuti azitha kudziwa zambiri za mizu ndi dothi lozungulira zomwe zingapezeke kuzinthu zamakono za minirhizotron.
Ntchitoyi ndi chitsanzo chimodzi chabe cha momwe ofufuza a UF akugwiritsira ntchito luntha lochita kupanga kuti apititse patsogolo gawo laulimi ku Florida. Monga gawo la kafukufukuyu, Zare adati ofufuzawo agwiritsa ntchito kompyuta yayikulu ya HiPerGator 3.0 kuyesa ma aligorivimu omwe amapanga posanthula deta kuchokera ku minirhizotrons. HiPerGator 3.0 ndi gawo la mgwirizano wa $ 70 miliyoni pakati pa Nvidia ndi UF ndipo zitsogolera kuzinthu zambiri zofufuza zoyendetsedwa ndi AI ku yunivesite yonse.
"Zolemba za Minirhizotron ndi zazikulu kwambiri, zimafunikira kusinthidwa kwazithunzi zambiri, ndipo zimadzaza ndi kusiyanasiyana kwakukulu potengera kabobo kakang'ono komwe kakukhudzidwa. Mavuto onsewa ndi otheka kutengera njira zophunzirira makina,” adatero Rowland. "Tikukhulupirira kuti ma aligorivimu apano omwe akupangidwa mogwirizana ndi mgwirizano wathu atha kupanga ndikufulumizitsa gawo lalikulu la kusonkhanitsa deta kuchokera ku data ya minirhizotron."
Kutetezedwa ndi citrus
Minirhizotrons idzasonkhanitsa deta kuchokera ku zomera za khofi zomwe zikukula ku UF / IFAS Plant Science Research and Education Unit, kumene ochita kafukufuku adabzala khofi pamodzi ndi mitengo ya citrus yomwe ilipo.
“Khofi amamva kuzizira kwambiri, ndiye lingaliro lathu lidali loti tiulimitse ndi mtengo wina womwe ungauteteze. Kuphatikiza apo, mitengo ya citrus ili ndi njira zodzitetezera kuzizira, zomwe zimatha kuteteza khofi, "adatero Rowland.
Ngakhale ochita kafukufuku akulima khofi pamodzi ndi zipatso za citrus pazifukwa zomveka pakalipano, kuphatikiza kumeneku kungakhale kopindulitsa pachuma, adatero.
"Pamene timaganizira mozama za izi, titha kuwonanso kuphatikiza kwa zipatso za citrus ndi khofi ngati njira yobzala ku Florida - mwina njira yamtsogolo yomwe alimi a zipatso angaganizire. Iyi ndi njira yochotsera - mafunso osiyanasiyana ndi momwe zinthu zilili ziyenera kuthetsedwa - koma ziyenera kufufuzidwa, "Wilson adatero.
Kuphatikiza pakufufuza momwe mizu yawo ya khofi imagwirira ntchito, ofufuzawo ali ndi chidwi chofuna kudziwa momwe khofi wawo waku Florida amakondera. Akukonzekera kukazinga ndi kuphika batchi yoyesera.
"Gulu lathu lofufuza lapeza chowotcha khofi cholondola kwambiri. Ndife okondwa kuyesa njira zosiyanasiyana zowotcha pa nyemba za khofi zomwe tikupanga,” adatero Rowland.
Kuti mudziwe zambiri:
UF / IFAS
www.ifas.ufl.edu