Ma kahi o 67 pakeneka o nā mea kanu pīni maloʻo maloʻo ma North Dakota a me Minnesota e palau i kā lākou mau māla soya i kekahi manawa, e like me ka loiloi o nā mahiʻai, wahi a Joe Eakley o North Dakota State University's Weed Control Center. ka puka ʻana a i ʻole nā loea post-emergence.
E ʻōwili i ka hapalua ma mua o ka puka ʻana o nā hua. Ma kāna kamaʻilio ʻana i ka lā Bean 2024, ʻōlelo ʻo ia e ʻōwili kekahi mau pī ma mua o ke kanu ʻana, a ma kahi o 5% ʻōwili ma hope o ka hoʻokumu ʻia ʻana o nā pi.
"I kēlā me kēia makahiki, loaʻa iaʻu kahi nīnau. ʻIke ʻoe, ʻo ka mea nui, i ka manawa hea e hiki ai iaʻu ke ʻōwili e pili ana i kaʻu noi ʻana i ke koena herbicide? He mea maikaʻi paha ke kāpī ʻana i ka herbicide ma mua a laila ʻolokaʻi, a i ʻole ka pīpī ʻana i ka herbicide ma mua?" a laila e ʻōwili i loko?" - wahi āna.
ʻO ka hoʻohuli ʻana i nā pōhaku i lalo a haʻalele i ka mea ʻohi, akā ʻo ka hana ke kumu hoʻi i ka hoʻopaʻa ʻana o ka lepo, e like me kahi "mea ala kaʻa," wahi a Yackley.
"Ma kahi e hoʻopili ʻia ai, ʻike mākou i ka ʻoi aku o ka weed pressure," wehewehe ʻo ia. "No laila ke ʻano o ka ʻōwili huila e like me kēia. No laila makemake nui mākou e nānā i ka hopena o ka ʻōwili ʻana i ke kaomi mauu ma ke kula, a laila e nānā hou i ke kaʻina o ka ʻōwili ʻana me ka hoʻohana ʻana i ke koena herbicide."
Ua alakaʻi ʻo Eakley a me kāna hui i nā hoʻāʻo mua "no ka leʻaleʻa" i ka soybeans, akā ʻōlelo ʻo ia ua like ke ʻano o ka moʻolelo me ka mea a lākou i ʻike ai ma hope i nā hoʻāʻo me nā pīni ʻai.
"Ma kahi o mākou ʻaʻohe wili a herbicides, loaʻa iā mākou ma kahi o 100 mau mauʻu a me 50 mau lāʻau deciduous i kēlā me kēia pā pāhaʻi," i ʻōlelo ai ʻo ia no ka hoʻokolokolo mua i ka makahiki 2022. "Ma kahi a mākou i ʻōwili ai, ua pāpālua mākou i ke kaomi mauʻu a ʻekolu i ka paʻi ākea ākea." “
He maʻalahi ka ʻōlelo aʻo a Eakley: "Ma ke kumu, inā e mākaukau ʻoe a hana, ʻo kēlā me kēia mea e hana maikaʻi loa, ʻaʻole mākou ʻike i kahi ʻokoʻa i ka manawa."
Hoʻomau ʻo ia i ka wehewehe ʻana i ka ʻōwili ʻana a me ka hoʻohana ʻana i ke koena herbicide i ka manawa like ʻo ia ka nui o nā nahele e puka mai ana akā mālama ʻia.
"ʻO ia ke ʻano hiki iā mākou ke pepehi i nā mauhele hou i kēia ala," wahi āna. "No laila, ʻo kekahi o kaʻu mea e lawe ai, inā mākou e hele, e hōʻoia i loaʻa iā mākou kekahi backlog o nā hoʻolimalima, hiki ke pōmaikaʻi iā mākou i ka wā lōʻihi."
"ʻAʻole mākou i ʻike nui i ka hopena postemergence i ka mālama ʻana i ka weed i loko o ka mea kanu ponoʻī," wahi āna. "No laila maikaʻi nō hoʻi iā mākou."
Ka manawa hoʻouna: Mar-25-2024