Mvura yakakosha pakugadzira chikafu, uye zvekurima zvinosvika zvikamu makumi manomwe kubva muzana zvemvura yakachena pasi rese. Sezvo nyika dzichiwedzera kugadzirwa kwekurima (panosvika 70, FAO inofungidzira kuti vangangoita vanhu vanosvika mabhiriyoni mapfumbamwe nemazana mapfumbamwe vachada kudya), ivhu rakadiridzwa rinofanira kuwedzera nemakumi mashanu muzana. Zvakadaro, shanduko yemamiriro ekunze iri kutodzikisira kuwanikwa kwemvura inowanikwa kune zvirimwa mune mamwe matunhu.
Kubatsira varimi kukurira dambudziko iri, International Potato Center (CIP) iri kutsvaga nzira dzekuvandudza madiridziro. Ongororo ichangoburwa nemasayendisiti uye vadzidzi vanobva kuCIP uye National Agrarian University yeLa Molina muPeru yakasimbisa kuti mifananidzo kubva kune infrared (thermographic) makamera anogona kushandiswa kuona kunetsekana kwemvura muzvirimwa uye nekudaro kushandisa mvura zvakanyanya.
Chikwata chevaongorori chakatungamirwa nasayendisiti weCIP David Ramirez akaita ongororo dzakateedzana padhuze neguta reLima, Peru, kuti vaone kuti musanganiswa weruvara nemifananidzo ye infrared ingashandiswa sei kuona kunetsekana kwemvura pazvirimwa zvembatatisi.
Vatsvagurudzo vakatora mifananidzo yemunda wembatatisi muswere wese wezuva uye vakashandisa yakavhurwa sosi yeCIP software inonzi Thermal Image processor (TIPCIP) kuona kuti mbeu dzaidziya riinhi kudiridzwa. Nekudiridza chete kana zvirimwa zvasvika pachikumbaridzo ichi, vaongorori vakakwanisa kudzikisa zvakanyanya huwandu hwemvura inoshandiswa pakudiridza.
"Chinangwa chaive chekuona huwandu hushoma hwemvura inodiwa kuti mbatatisi iwane goho rakanaka," akadaro Ramirez.
"Mubatanidzwa wekutarisa pamwe nekudonhedza madiridziro zvinogona kugonesa varimi kudzikisa huwandu hwemvura inodiwa kurima mbatatisi nemaacubic metres anosvika chiuru nemazana matanhatu pahekita, chinova chikamu chinosvika hafu yemvura inoshandiswa muchinyakare kudiridza kwepasi," akatsanangura.
Iko kusanganiswa kweakanaka emvura manejimendi uye kuunzwa kwemhando dzinoshivirira kusanaya kwemvura kunogona kuwedzera zvakanyanya kusagadzikana kwemvura kwematapiri uye kuabvumidza kuti akure mumatunhu ane chikafu chidiki kana chisina chirimwa parizvino, kana panguva yemwedzi yakaoma kana yekurima ivhu.
Ramirez akatsanangura kuti nepo infrared makamera achigona kuiswa kumadrones kuti aone kunetsekana kwemvura mumapurazi makuru, mutengo wemidziyo yakadaro haubvumirwe kune varimi vadiki nepakati. Nekudaro, anoronga kuyedza imwe nyowani - plug-in chishandiso chinoshandura smartphone kuita infrared kamera uye inoita madhora mazana maviri. Masayendisiti eCIP achangobva kugadzira vhezheni nyowani, inoshandisika-inoshamwaridzika yeTIPCIP yemafoni uye vari kuronga vhezheni yeramangwana iyo ichapa ruzivo rwakanyanya pamusoro penzvimbo inodiwa uye yakawanda sei mvura.
"Nekushandisa yakavhurika yekuwana tekinoroji, tinogona kubatsira varimi kugadzira chikafu nemvura shoma," Ramirez akasimbisa.
Nekudaro, akawedzera, tekinoroji yakadaro inofanirwa kuzadzikiswa nekuziva kukuru kwekukosha kwekuchengetedzwa kwemvura.
Tsvagiridzo iyi yakatsigirwa neWorld Bank kuburikidza neNational Agricultural Innovation Program (PNIA) uye neCGIAR Research Program.