NFT PVC Pipe Vertical Hydroponics

ʻO ka Hydroponics e pili ana i nā aʻa kanu i pili pololei me ka hoʻonā meaʻai me ka kanu ʻole ʻana i kahi substrate. ʻO British Cooper i ka makahiki 1973 i hoʻolālā i ka ʻenehana kiʻiʻoniʻoni hydroponic, i kapa ʻia ʻo ka NFT (nutrient film technique). ʻO kāna kumu nui ka hana ʻana i kahi ʻāpana lahilahi o ka meaʻai meaʻai (0.5-1 cm), e hoʻomau i ka pōʻai i nā aʻa hua, ʻaʻole wale e hōʻoia i ka hoʻolako mau ʻana i ka wai huaʻai a me nā meaʻai, akā e hōʻoia pū i ka hāʻawi mau ʻana o ka O2 hou. ʻO ka hoʻoulu ʻana o ka NFT he mea maʻalahi loa ka ʻenehana irrigation a ʻaʻole pono e helu i ka pono o ka wai hua, a hiki ke loaʻa ke kaulike o ka lako meaʻai. ʻO ka hoʻokaʻawale ʻana o ke aʻa a me ka lepo, hiki ke pale i nā ʻano maʻi like ʻole o ka lepo a ʻaʻole pono e hoʻomaʻemaʻe i ka lepo.