Sure, he mea e pili ana i ka wai. A ana ʻia i ka pākēneka. Akā pehea e pili ai nā pores, ʻano lepo a me ka humus i kēia? He aha ke kumu o ka hiki ke hoʻohana i ka lepo?
Ma kekahi ʻaoʻao, nā māwae maloʻo e ale wale i kahi kelepona paʻalima, ma ka ʻaoʻao ʻē aʻe, nā kahawai i kahe ʻia no nā pule - ke koi nui nei ke ʻano o nā aniau o nā makahiki i hala aku nei mai kā mākou lepo.
He paʻakikī ke manaʻoʻiʻo hiki i nā lepo paʻa ke pale i nā mea ʻelua. Intact mea ma luna o nā mea a pau i kahi pore maikaʻi hana, no ka mea, ʻo kēia ka mea ka wai ka omo a me ka mālama ʻana a me ka lawe ʻana i nā aʻa.
ʻAʻole loaʻa nā wai āpau i nā mea kanu
ʻO ka mea hoʻoholo ke kumu e kiʻi ai ka mea kanu i ka wai lepo. ʻO ke ana no ka loaʻa o nā mea kanu ka hiki ke hoʻohana i ka māla (nFK). Hōʻike ia i ka ʻāpana o ka wai hoʻopili e hiki i nā aʻa ke haehae mai ka lepo me kā lākou mau ʻume.
Inā pau ka wai i loaʻa i nā mea kanu, hoʻomaloʻo nā mea kanu; ua hiki ke kiko wilting mau.
ʻO ka liʻiliʻi o ka wai e hiki ai ke uhi ʻia e ka ua i ka wā ulu, ʻo ka nui o ka NFK e hoʻoholo i ka loaʻa.
ʻO nā pores hea e hiki ke hoʻopaʻa i ka wai?
ʻO ka paʻa o ka wai i nā kekelē like ʻole e pili ana i ka nui o nā pores i ka lepo. ʻO nā mea nui, nā pores ʻeleʻele me nā anawaena o 0.01 a 0.05 mm, he ʻelua mau hana: Mālama lākou i ka hoʻololi o ka ea a me ka wikiwiki o ka pulu ʻana o ka wai ua. ʻAʻole hiki iā lākou ke hoʻopaʻa.
Ma ka hoʻohālikelike, nā pores waena ma waena o 0.002 a me 0.01 mm e mālama i ka wai a hiki ke hoʻokuʻu hou iā ia. Hoʻokumu lākou i ke kumu o ka hiki ke hoʻohana i ka māla. I nā pores ʻoi aku ka liʻiliʻi ma lalo o 0.002 mm, paʻa ka wai a ʻaʻole loaʻa i nā mea kanu. Kapa ʻia ia wai he wai make.
Loaʻa i nā lepo Loess ka hui maikaʻi o nā pores
ʻO nā lepo Loess, me kā lākou mahele kiʻekiʻe o nā pores waena, loaʻa ka nFK nui loa. Mālama ka lepo pālolo i ka hapa nui o ka wai, akā hoʻopaʻa paʻa ʻia ia i nā pores maikaʻi me he wai make lā. Aia ka nFK ma ke kikowaena waena. ʻO ka lepo Sandy me nā pores ākea nui ka hapa haʻahaʻa o ka NOK a me ka mea make wai liʻiliʻi liʻiliʻi.
Inā ʻoi aku ka nui o ka wai ma luna o ka NFK, ʻo ka nui o ka wai i loko o nā pores kōwao a pōmaikaʻi i ke kūkulu ʻia ʻana o ka wai hou. Ke neʻe mālie nei ka wai kai i nā pores maikaʻi i hiki i nā aʻa maikaʻi ke ulu aʻe me ia.
Pahu capillaries i luna
ʻO ka maloʻo o ka lepo, ʻo ka lohi o ka holo o ka wai. ʻO kēia kahi e pāʻani ai nā koa capillary: kūʻē i ka umekaumaha, lawe nā kahawai ʻoi loa i ka wai mai nā papa ʻūlū hou o ka lepo i nā aʻa. ʻO ka wikiwiki a me ka nui e pili ana i nā kūlana o ka lepo. I nā lepo silt i hana ʻole ʻia, 5 l / m² i kēlā me kēia lā e hiki ke lawe ʻia ma luna o 85 cm; i ke one hina a palolo paha ia 20 a 30 cm.
Humus hou aku - kiʻekiʻe nFK
Ma waho aʻe o ka hanana pore a me ke ʻano o ka lepo, ka humus a me kāna ʻike i loko o ka lepo e hoʻoholo i ka hiki ke hoʻohana i ka māla. ʻO nā mea e hoʻomaikaʻi i ka humus build-up a me ke komo ʻana o ke aʻa e hoʻonui i ka NFK. Pale pū kēia i ka wai o ka honua, no ka mea, ʻo nā mea ʻinoʻino i ke kaiapuni a i ʻole ke olakino e waiho mau ana i ka lepo no ka lōʻihi, hoʻopaʻa ʻia a wāwahi ʻia paha e nā microorganism.
Hōʻike pū ʻia nā hoʻokolohua e piʻi wikiwiki ka hiki ke hiki ke hoʻohana ma hope o ka loaʻa ʻana o ka limu kiʻekiʻe, a ʻoi aku ka nui o ka ea. He mea ʻoiaʻiʻo loa kēia no nā lepo pālolo a no ka lepo o ka lepo. I ka manawa like, ke emi nei ka mahele o ka wai make, ʻo ia hoʻi ka wai i loaʻa ʻole i nā mea kanu. ʻO ka hoʻohui o ka lime a me ka flocculation i nā hopena o ka lepo coarser me nā pores coarse kikoʻī a liʻiliʻi hoʻi. ʻAʻole hiki ke nānā akāka ʻia kēia hopena ma nā lepo me nā mea pālolo haʻahaʻa.