ʻO ka hoʻomehana honua ke kumu o ka salinization o ka lepo ma nā kahakai, kahi pilikia nui no nā māla ʻuala, e like me ka channel TV Swiss SRF. E hoʻonā iā ia, ke hoʻomohala nei nā ʻepekema ma ka International Potato Center ma Peru i nā ʻano hou hou aʻe i kū i mua, e kia ana i ka mālama ʻana i ka ʻono o ka huahana a me ka hiki ke loaʻa nā hua kiʻekiʻe.
Hōʻike ke kikowaena ʻuala kūwaho i nā waiwai maoli, e like me ka pūnaewele o ka SRF kīwī Swiss. Ma laila ʻoe e ʻike ai i nā hīnaʻi me nā ʻuala nui a liʻiliʻi, pōʻai a ʻōwili. Ma waena o kēia mau waiwai aia kekahi he ʻulaʻula a ʻulaʻula paha.
Ua hauʻoli ka ʻepekema kūlohelohe ʻo Stef de Haan e hōʻike i kēia mau waiwai. "Ua hana ka ʻĀina Andean ma kahi o 4000 mau ʻano ʻuala ʻōiwi. Kanu mākou i kekahi o lākou i kēlā me kēia makahiki, "wahi a ka loea. Mālama ʻia kekahi ma ke ʻano he tubers, mālama ʻia kekahi ma lalo o ke aniani pale mānoanoa e like me nā mea kanu lahilahi a i ʻole me he mea lā i hoʻoulu ʻia ma 200 ° C ma lalo o ka hau.
Pale maikaʻi kēia mau waiwai. Inā he ōlaʻi ikaika ma Peru, ua mālama ʻia kekahi mau laʻana o nā ʻano ʻuala ma Brazil a me Nolewai, ua wehewehe ka ʻepekema. ʻO ka Potato Center, me kāna mau mea noiʻi 185, aia ma Peru, akā ʻaʻole nānā ʻo de Haan a me kāna mau hoapili i nā Latin America, ʻApelika a me ʻAsia.
Ua loaʻa iā lākou kahi noi no ke kōkua mai Bangladesh. ʻO kēia e pili ana i ka salinization o ka lepo ma ka wahi paʻa o ka wai delta kahi e ulu ai kaʻuala. Ma muli o ke aniau a me ka piʻi ʻana o ka mahana, piʻi aʻe ka ʻilikai. ʻO ka hopena, ke komo nei ka wai paʻakai i loko o nā māla ʻuala.
"Ma nā wahi kai, ke hoʻonui nei kēia pilikia," hōʻoia ʻo de Haan. Kū ka poʻe noiʻi i kahi hana paʻakikī - e lawe mai i kahi ʻano ʻuala e aʻa mau i nā lepo saline, akā i ka manawa like e ʻono mau a lawe i kahi hua kiʻekiʻe.
Manaʻoʻiʻo ʻo De Haan: "Ma ke kikowaena o kaʻuala he waiwai nui kā mākou, ʻoi aku ma mua o ka lawa ʻana o nā lāhui ʻōiwi a me ka nui o ka ʻike waha i lawe ʻia i waena o nā mahiʻai liʻiliʻi liʻiliʻi kūloko." I kēia manawa, ke hala nei ka manawa. "A hiki i kahi ʻano hou i hoʻololi ʻia i nā kūlana kūloko o ka hana ʻana a oʻo, he mau makahiki holoʻokoʻa ka lōʻihi."
ʻO nā pilikia i ka ʻuala me nā mahana kiʻekiʻe, nā mea ʻino hou a me ka hoʻonui ʻole ʻana o ke anilā (e lilo ana i mea paʻakikī e hoʻoholo inā e ua, i ka wā a me ka nui). I ka manawa like, e loli ka hoʻololi o ka honua i ka mahi ʻana i kaʻuala, manaʻo ka mea noiʻi.
"E neʻe kokoke ka hana ʻana o ka ʻuala i nā kia no ka mea ʻoi aku ka maalehu ma laila. Ma hea nā mauna, e wāwahi ʻia nā mahinaʻai i kahi kiʻekiʻena kiʻekiʻe ma mua, ”de Haan ʻoiaʻiʻo. Hana ʻia kēia ma Peru no ka manawa lōʻihi. Ulu ka poʻe mahiʻai i kaʻuala a hiki i 4400 mika ma luna o ka ʻilikai, ʻo ia ka 300 mika kiʻekiʻe ma mua o 40 mau makahiki i hala.
Eia nō naʻe, hiki i ka holomua ke piʻi i luna ma kahi pālākiō wale nō. I kekahi manawa, huli ka lepo i pōhaku. No kekahi mau āpana kahi e ulu ai ka ʻuala i kēia mau lā, nānā ke nānā aku i ka wā waena. Ma ka ʻĀkau o ʻApelika a me ka hema o ʻEulopa, e lilo ana ka paʻakikī i ka ulu ʻana o ka ʻuala, a i kekahi mau wahi a hiki ʻole hoʻi.
I kekahi lā ʻaʻole lawa ke anuanu no nā uala - ke iho hou ʻole ka mahana i ka pō i ka 16 ° C. Hiki i nā hopena ke koʻikoʻi. Ua hōʻike ʻia ka mōʻaukala i kēia: mai ka 1845, ua make he miliona mau kānaka ma ʻIlalani mai ka "wī uala", kahi hopena o ka maʻi epiphytotic o ka hopena o ke ahi. ʻO kekahi miliona i koe no ʻAmelika Hui Pū ʻIa.
I kēia lā, kiʻekiʻe ka manaʻo o ka UN no kaʻuala no ka mea hiki i nā tubers ke kōkua i ka hoʻopau ʻana i ka pilikia pōloli o ka honua. Eia nō naʻe, he mea nui kēia e hoʻomohala i nā ʻano ʻuala kūpale hou, hoʻopau i ke kahawai TV Swiss ʻo SRF.