"E lilo ana ke kukui LED polū i mea hana maʻamau no ka mālama ʻana i ka mauʻu a ʻoi aku ka wikiwiki ma mua o ka ʻike ʻana o ka poʻe mahiʻai."
E mālamalama i loko o ka ʻōpū o kahi hui.
Blue LED kukui mea he non-kemika mea kaua hiki ke stunting i ka ulu ana o ka herbicide-kū'ē i ka mauu anoano, akā, pehea ina LED kukui 'enehana hiki ke harnessed e hana me ka hui e hoʻopōʻino anoano ma ka hele? Ua loaʻa iā ia, e like me ka mea i hoʻoulu ʻia ma nā lālani kulina a me ka soya o ka ʻāina mahiʻai o Ohio: Ua hiki mai ke ala e pepehi ai i nā hua mauʻu me ka mālamalama.
ʻO ka Weed Seed Destroyer kahi hui hui pū me ka hoʻohana ʻana i ka hoʻomehana ʻana a me nā kukui kukui LED ikaika e hoʻopiha i ka hua mauʻu i kona hele ʻana me ka kahe o ka ʻōpala i ka wā o ka hōʻiliʻili ʻana, a ua mākaukau ka mea pepehi hua no nā hoʻāʻo ʻoki puna ma Tennessee a me Ohio. bale. "E lilo ana ke kukui ʻulaʻula i mea hana maʻamau no ka mālama ʻana i ka mauʻu i ka mahiʻai," wahi a Jon Jackson, ka mea hana hou ma hope o ka Weed Seed Destroyer. "Ke ulu wikiwiki nei kēia ʻano ʻenehana mahiʻai ma mua o ka ʻike o ka poʻe."
ʻO nā kukui-emitting diodes (LED) nā mea pepehi kanaka, hiki ke hoʻokuʻu i kahi hopena hoʻomaʻemaʻe e kū'ē i ka bacteria, fungus, a me ka ʻōpala. I ka makahiki 2018, ua ʻimi ka US Air Force i ka ʻenehana no ka hoʻohaʻahaʻa ʻana i ka tumbleweed i kahi ʻoi o ka ʻiʻo a hāʻawi i kahi haʻawina SBIR (Small Business Investment Research) i ka hui ʻo Jackson ma ke komohana hema o Ohio. Pilikia honua (GNI), e hana i mea e hana ai i ka hua tumbleweed nonviable me ka hoʻopilikia ʻole i ka ʻōpala a me ka lepo.
Me ka hoʻohana ʻana i ka ʻenehana kukui LED polū, ua hoʻomohala ʻo GNI i kahi mea paʻa lima hiki ke hoʻopuka i ka make i ka hua tumbleweed. Ua hōʻike ʻia ka hāmeʻa paʻa lima kūleʻa i loko o kahi makasina hoʻolaha SBIR—kahi i ʻike ʻia ai ka ʻatikala e kekahi kanaka mahiʻai ʻo Iowa, nāna i kāhea i ke keʻena ʻo Jackson ma Xenia, Ohio, a hāʻawi i kahi hoʻopiʻi pololei: "Inā hiki iā ʻoe ke pepehi i nā hua tumbleweed ma ka wao nahele, ʻo ʻoe. hiki iā ia ke pepehi i ka hua hemp i ka soybeans.
He mau lā ma hope o ke kelepona ʻana, ua loaʻa i nā limahana ʻo Global Neighbor kahi pahu ma o ka leka i haʻi ʻia mai Iowa, i loaʻa kahi ʻeke puʻupuʻu, me ka "Merry Christmas" i kahakaha ʻia me ka wiwo ʻole ma ka plastik waho. Aia i loko o ka pūʻolo, pololei mai ka ʻāina mahiʻai ʻo Hawkeye State, he puʻu o ka ʻōpala soya i hoʻopiha ʻia me ka hua hemp wai—ʻo ka maʻi herbicide kūʻokoʻa o nā mea kanu Midwest.
"ʻO ka ʻeke o ka ʻōpala a me nā hua ka hoʻomaka," wahi a Jackson. "Ua hoʻomaka koke mākou i ka hoʻāʻo ʻana i ka lab. Ma ka wao nahele, ʻoi aku ka maʻalahi o ka hoʻouka ʻana i nā hua tumbleweed no ka mea e noho ana ma luna o ka ʻili a hāʻawi i kahi laina pololei o ka ʻike, akā ʻo ka waterhemp kekahi holoholona mauu ʻokoʻa.
Hoʻopau ʻia, ua ʻike ka hui a Jackson ʻo ka hoʻomaʻamaʻa ʻana i ka hua mauʻu ma mua o 100+ F a laila hoʻohana i ka LED polū no kekahi mau kekona me ka ikaika o 20 mau manawa o ka lā i hoʻopilikia ai i loko o nā hale cell.
"Ua ʻike nā kānaka a pau i ka hoʻololi ʻana o ke kukui LED i ka ulu ʻana o nā mea kanu i nā mea kanu lālani a i ʻole nā hale ʻōmaʻomaʻo," wahi a Jackson, "akā ua hoʻomohala mākou i kahi mea ikaika loa. Akā, loaʻa iā mākou kahi ʻenehana me ka ikaika kiʻekiʻe, akā pōkole loa ka ʻike ʻana o ka mālamalama i ke ʻano e hiki ʻole ai i ka hua ke mālama i ka trauma a ʻaʻole e ulu. ʻAʻohe mea i hoʻohana i kēia ʻano ʻenehana i ka mahiʻai ma mua, a he mea maikaʻi loa ia.
Eia nō naʻe, ʻo ka hāʻawi ʻana i ka hoʻomehana a me ka māmā i nā hua weed e hoʻopiʻi ana ma o ka hui neʻe ʻana he hana nui: E komo i ka Weed Seed Destroyer.
Kill Zone
ʻO ka Destroyer, kahi ʻōnaehana tubed a augered i hoʻopili ʻia i ka hope o kahi hui, hoʻomaʻamaʻa a hōʻike i nā hua i nā kukui LED polū i ka wā e hāʻule ai ka ʻōpala i loko-ma ka lele, e like me Jackson. Hoʻohana ia i ka wikiwiki hui maʻamau a koi i ka 10 horsepower haʻahaʻa e hana. "He wikiwiki loa ia," wahi a Jackson, "a ʻo ka hoʻomaʻamaʻa ʻana a me ka ʻike ʻana i nā kukui polū e hiki mai ana i loko o kekahi mau kekona o ka hana ʻana."
Ma muli o ka mea hana, hoʻopili ka Destroyer me ka hoʻololi ʻana i nā hui like ʻole. "No ka laʻana, ma kahi John Deere S680 (i hoʻonohonoho ʻia no Iune 2022 nā hoʻāʻo ʻohi palaoa ma kahi kokoke i Savannah, Tenn.) me kahi mea hoʻolaha a me kahi chopper, lawe mākou i hoʻokahi papa ma mua o ka chopper a hoʻohui i kahi vein e puhi i ka ʻōpala i ka Destroyer. , ʻoiai ʻo ka mauʻu mai ka thrasher nui e hele i luna a hoʻi i ka chopper e like me ka mea maʻamau," nā kikoʻī ʻo Jackson. "He 10" auger a me 8' lōʻihi i hoʻopaʻa ʻia ma lalo pono o ka ʻōnaehana chopper.
Ma kahi New Holland CR940 (i hoʻonohonoho ʻia no 2022 Iune-Iulai i ka hōʻiliʻili ʻana i ka bale bale ma ke komohana hema o Ohio) ua kaʻawale ka mea hoʻolaha o ka ʻōpala a me ka chopper. "Wehe mākou i ka mea hoʻolaha a kau i ka Destroyer ma kona wahi. Lawe mākou i ka ʻōpala i ka wā e puka mai ai a hoʻolele iā ia i loko o ka Destroyer, a puhi ʻia i waho i ke kahawai ʻōpala chopper, "wahi a Jackson.
A he aha ke kiʻekiʻe o ka pepehi hua i loaʻa e ka ʻōnaehana i ka hoʻāʻo ʻana o ka ʻāpana paʻa? "Ke loaʻa nei iā mākou nā hopena ikaika loa ma luna o 98% efficacy ma waterhemp a me Palmer amaranth mai ka noiʻi ma Central State University (CSU)," wahi a Jackson.
Cadence Lowell, ka luna o ka 'Oihana ʻEpekema Agricultural ma CSU, ua hoʻāʻo i kahi prototype Destroyer ma kahi hoʻonohonoho hoʻokolohua, a paʻi i kāna mau ʻike ma kahi hōʻike Iulai 2021. E pili ana i ka hana a ka Destroyer, ua ʻōlelo ka hopena o ka noiʻi: “Ua hoʻemi nui ia i ka awelika ka nui o ka ulu ʻana no nā ʻano weed 4, morningglory, fox millet, ragweed maʻamau a me ka puaʻa. No nā ʻanoʻano i mālama ʻia me ka ikehu kuhikuhi no 4 kekona, ua hoʻemi ʻia ka nui o ka ulu ʻana o nā hua he 97-99%.
Wahi a Lowell, ua hōʻike ka ʻāpana kū i kahi kiʻekiʻe o ka pono. “Ua pepehi ʻia ma kahi kokoke i 100% o nā hua mauʻu—ʻehā ʻano ʻano like ʻole. Me he mea lā e pili ana i ka nui o ka hua; ʻoi aku paha ka nui o ka hua, pono ka ʻike hou aku. "
Ua hoʻohana ʻo Lowell i kāna ʻoihana ma ka ʻepekema weed a manaʻoʻiʻo ʻo ke kukui LED polū e lawe i ka mana nui ma ke ʻano he kumu hoʻomalu mauʻu. “Ma kā mākou kulanui, ke hana nei mākou i kēia manawa i ka hoʻokomo ʻana i kēia i ke kula. No ka laʻana, e kau ana mākou i ka ʻenehana kukui LED ma nā robots automated no ka holo mau ʻana ma ke kula e ʻimi i nā mauʻu.
Inā hoʻokō ʻia ke ʻano o ka lawe ʻana, manaʻoʻiʻo anei ʻo Lowell e lilo ke kukui LED polū i mea hana mahiʻai no ka hoʻohana ʻana i nā mea kanu lālani? "ʻAe, hana wau, a hiki ke hoʻohui ʻia me nā lōʻihi nalu like ʻole o ka mālamalama e hana maikaʻi loa ia, e like me ka hui ʻana me ka infrared a i ʻole kahi kumu wela ʻē aʻe. Ua ʻike au he ʻano ʻōlelo ko Global Neighbor i hiki ke unuhi ʻia i ke kula no ka mea ua hana mākou ma ʻaneʻi i kā mākou noiʻi.
Mana Polū
I nā makahiki ʻelima i hala iho nei, Lauren Lazaro, he kanaka ʻepekema weed ma Louisiana State University AgCenter ma ke Kula o Plant, Environmental, and Soil Sciences, ua nānā i nā ʻano hana ʻē aʻe o ka ʻohi ʻana i ka weed seed control (HWSC), a ua hana i nā hoʻokolohua noiʻi kikoʻī ma nā wili hopena hua, ka ʻōpala, a me ka makani haiki. puhi ana.
I Nowemapa 2021, ua loaʻa iā ia kahi pūʻulu paʻa Weed Seed Destroyer, a ke hoʻāʻo nei ʻo ia i ka pono o ka mea hana i ka pepehi ʻana i nā hua mauʻu i ka laiki a me ka ʻōpala soya. "E nānā pū ana mākou i nā pae wela like ʻole e hoʻoholo ai i ka hopena i ka nui o ka make ʻana o nā hua mauʻu a pehea e pili ai i nā ʻano morphological a me ke kino o nā mauhele e puka mai ana," wahi a Lazaro. "Eia hou, hoʻolālā mākou e hoʻāʻo i nā pae wai o ka ʻōpala a ʻike i ka hopena o ka WSDS."
Ke hoʻopau ʻia ka noiʻi kumu, manaʻo ʻo Lazaro e neʻe i kahi hoʻokolokolo kahua me kahi hui hui i kahi. "Makemake au e hoʻomaopopo i ke ʻano o ka hoʻopili ʻana o LED polū i nā ʻanoʻano weed i loko o kahi ʻōnaehana hoʻokele weed. ʻO ka ʻoiaʻiʻo he koho kūpono kēia, ʻoi aku ka maikaʻi ma ke ʻano he loea HWSC ʻē aʻe i hiki ke koi i ka liʻiliʻi o ka horsepower, ka liʻiliʻi o ka wahie, a me ka liʻiliʻi o ka manawa ma mua o nā hana HWSC ʻē aʻe. Inā hana ka WSDS a ʻoi aku ka maikaʻi o ke kumukūʻai, pau wau no ia.
Ma waho aʻe o ka pepehi ʻana i nā hua mauʻu, ua hoʻohana hou ke kukui LED uliuli i ka mahiʻai e like me ka hoʻoulu ʻana i nā hua, wahi a Jackson, a GNI ke hoʻāʻo nei i kēia manawa i nā prototype LED ʻē aʻe. "I kēia manawa, ke hana nei mākou i kahi mea e pepehi ai i nā mea kanu uhi a mākaukau paha mākou i kēia pūnāwai e hiki mai ana no nā hoʻokolohua hoʻokahi lālani ma Iowa, Minnesota, a me Nebraska. A ua hoʻouna wale mākou i kahi palapala patent no kahi hāmeʻa e hoʻohana i ke kukui polū e kiʻi wikiwiki i ka hua mai ka lepo. E like me ia, ʻike mākou hiki iā ʻoe ke hoʻohana i ke kukui polū e hoʻonui maikaʻi i ka ulu ʻana o ka hua ma ke kelepona ʻana i nā pae.
ʻO ka mana o ke kukui LED polū, ʻōlelo ʻo Jackson, he pōmaikaʻi e kokoke mai ana no ka ʻāina mahiʻai: “He keiki mahiʻai wau mai Ohio a ua ʻike au i ka pahū ʻana o ka ʻenehana ag i koʻu wā ola. Hoʻolālā mākou e kūkulu ma kahi o 25 Weed Seed Destroyer i 2022, 150 i 2023, a hoʻomau i luna. E lilo ana ke kukui polū i mea hana maʻamau no ka mālama ʻana i ka mauʻu a ʻoi aku ka wikiwiki ma mua o ka ʻike ʻana o ka poʻe mahiʻai.