ʻOi aku ma mua o 30% o nā lepo one o Hōlani i kahi pH ma lalo o ke kumu pahuhopu. Hōʻike ʻia kēia mai kahi papa inoa i hala iho nei e Eurofins Agro o ʻekolu mau mea kanu: ka māno, ka mauʻu a me ka ware uala. Haahaa loa kahi pH kumu kūʻai.
ʻO kahi mea pāʻani nui i ka momona o ka lepo ka ʻākika (pH) o ka lepo. ʻO Eurofins Agro i inventoried a palapala honua i ka pH o ka lepo one. Hōʻike nā huahelu 1 a 3 i kekahi mau wahi i ʻoi aku ka nui ma mua o 30% o nā hoʻolālā i ka pH ma lalo o ka pae i hoʻopaʻa ʻia. ʻO ka pahuhopu pahuhopu no ka pH ma ka lepo one e pili ana i ka ʻano lepo. ʻAʻole one ke one a pau. ʻO kahi lula o ka manamana nui ka pH ma luna o 5.
Hōʻike ka noiʻi ʻana me kaʻuala i ka pilina ma waena o ka pH a me ka hua (helu 4). ʻO nā mea kanu ʻē aʻe, e like me ka maise silage a me ka mauʻu, hōʻike pū kekahi i kahi pilina like.
ʻAʻole pono kahi pH i haʻahaʻa loa. He maʻalahi maʻalahi e hāpai me kahi liming mālama. ʻO ka haʻahaʻa loa he hopena ka PH ma ka momona o ka momona a me ka lepo.
pH a me ka momona o ka lepo kemika
Hoʻomaopopo loa ʻia paha ka hopena o ka pH ma ka momona o ka lepo kemika. ʻO kahi laʻana, kahi PH lepo kiʻekiʻe e hōʻoia i ka loaʻa haʻahaʻa o ka manganese (Mn). ʻOi aku ka haʻahaʻa o nā mea kanu i loaʻa no ka mea ke hoʻomau ka lepo i ka manganese. No laila ʻaʻole hiki i ka hua ke komo a lawa o kēia kumumea kumumea. He mea nui ka mākanes i nā ʻano hana ʻelima i ka mea kanu.
Loaʻa ka hopena o kahi pH haʻahaʻa i ka loaʻa o, no ka laʻana, silikone (Si). Pili ke silikona no ka mea he mea nui ia i ke kau maloʻo a me ke kūpaʻa o ka hua. Ma nā kumukūʻai pH pae haʻahaʻa loa, hiki i ka loaʻa o ke alumini (Al) ke hana i nā pilikia. ʻAʻole maikaʻi ka aluminika i loaʻa no nā aʻa kulina.
pH a me momona o ka lepo kino
Ma waho o ka momona o ka lepo kemika, he mea nui ka pH no ka momona o ka lepo kino. I loko o ka hana o ka cation exchange complex, ka ʻO CEC , pili pili loa i ka pH. Hoʻokumu kahi pH haʻahaʻa i nā ʻoma hydrogen (H + ) i ka hopena lepo. He maikaʻi ʻole ka hopena mahiʻai o kēia, no ka mea, ʻo H + lawe kahi o nā cation pili e like me ka potassium (K), magnesium (Mg) a me ka calcium (Ca) ma ka CEC.
pH a me ka hoʻomomona
ʻO ka Fertilizing i nā hoʻolālā me ka manure holoholona a me nā mea momona he hopena acidifying i ka lepo. Ua heleleʻi iki ka pH i kahi hopena. No laila he mea nui e lawe mau i ka liming me ka hoʻohui ʻana i ka momona. Hāʻawi kēia i ka ʻoi aku ka maikaʻi o ka noho ʻana o CEC .
Ma nā lepo pālolo, keu hoʻi ma nā lepo pālolo ʻōpio, aia ka nui o ka limu kalapona. Lohi mālie ke aniani lika a hōʻoia i ka liming maoli o nā kumu. ʻO ka hopena, ʻike pinepine ʻoe i ka kiʻekiʻe o ka pH ma ka lepo pālolo a kiʻekiʻe mau.