Urea tiomimi: tono

Katoa kari ngana ana ki te whakapai ake i te kounga o ratou hua, te whakamahi i katoa o maniua. I teie mahana, te noa tino ko te OmAhA (Urea) kei roto huawhenua organic me tāpiritanga matūkai oneone me te hauota-taonga.

He hītori iti

Urea Tuatahi kitea i roto i te 1773 i te pūtaiao French Hillaire Rouelle, engari anake mai 1828 ka anga te reira ki te whakaputa i synthetically. Whai hua hauota OmAhA tongi (Urea) kei roto i te puka parakore ki runga ki te 46% o te hauota, rewa i roto i te wai i te pH taurite, me te kore he paitini ki te tipu me te oneone.

Puka tuku

whakaputaina Urea (OmAhA) Kei roto i ngā puka:

• I roto i te puka o granules iti tareka āta i roto i te oneone, me te tiaki i te reira i waiwai o te hauota. Ko reira ngāwari ki te whakapoauau reira ki atu tongi, tae atu organic.
• Ko te puka roa o papa wairewa pani ki te membrane motuhake, tiakina i te whakakāhoretanga tere i roto i te oneone, e ārai te hua i te oneone, me te nitration.

OmAhA: tono

whakaatu ngā mara e te whakamahi o te Urea rite te tongi mua ruinga-whakaaetia maitai i runga i te katoa momo o te oneone , me te i raro i nga mea katoa o kai. A, no te kore ko tenei mahi tikanga iho o te haukini pākawa me te haukini pākawa ngāwhā, a ētahi wā, hei tauira, Kohuatia-podsolic oneone ki rawaka makuku me te serozem te taheraa, whakarato he taonga hua potato me huawhenua hua. Whakamahia hei kakahu runga mo kai te hotoke i roto i te tīmatanga o te puna, a ka hoki hua rarangi me te huawhenua matomato tonu ki te ārai i hauota mate i te whakaetonga o te haukini i hanga i roto i whāwehe o maniua. Hoki tipu foliar tūtohutia tioata ihirangi kē biuret ki 0.2-0.3%.

painga

He painga i runga i ētahi atu maniua tenei tongi hauota. Kei te pai te Urea (OmAhA) whenumi ahurea, me i kukū teitei (1% otinga) whakamate tipu, me te e kore e tahuna te rau. A, no te horomia te roha e te pūtau rau rite rāpoi ngota katoa, a taea hoki te whenumi e te whāwehe i raro i te mahi o te urease paru haukini ranei ki te hanga i te panoni diamino koropiko matū nitrogenous. Heoi, he taikaha o te haukini noa i roto i te rohe pakiaka pōturi germination me pihi, kia hiahia koe ki te kia tino kouma i hanga i te tiomimi ki te oneone i ruinga ranei taurite te tohatoha i te reira.

tūtohutanga

I mua i tua o te tiomimi ki te oneone ata tūtohutia ki te uru i te reira ki ētahi atu tāpiritanga ranei ki te onepu maroke. A, no te whakamahia tika, Urea potakataka (OmAhA) ko he tongi hauota pai. Ko te whakawhetai ki te āhuatanga ōkiko pai rite te pai kia rite ki te ihirangi tiketike o te hauota i roto i tona hanganga tenei katoa. Mai te mea e taea ki te whakamahi i roto i tetahi oneone, a ka kua te reira i te pānga pai i runga i te tupu hua, tupu te hiahia mō tenei tongi ao ki ia wa, me rite ki te hua, ona piki production.