Taangiyada taangiyada macdanta
Haanta bakhaarka keydka ah waa qalab khaas ah oo loogu talagalay keydinta cabitaannada dhawaaqyada (sida oksijiin dareere ah, nitrogen dareere ah, dareere dareere ah, iwm.). Sababta oo ah awooda ay u leedahay in la ilaaliyo xasilloonida iyo tayada dhexdhexaadka ah ee heerkul aad u hooseeya, haanta keydka keydka iyo doorka ayaa ka ciyaara howlo badan oo dhowr ah.
Haddii tas-hiilaadka kuleylka kuleylka ee dareeraha ah ee dareeraha ah ee dareeraha ah ee dareeraha ah aan si joogto ah loo tijaabin, mar haddii wax qabadkeeda kuleylka ah uu yaraado dusha sare ee jirka, tuubooyinka iyo qaybaha kale, iyo xiriirinta shilalka ee shaqaalaha ayaa dhici kara. Isla mar ahaantaana, haddii heerkulka gudaha haanta ka soo kordha, waxay u horseedi doontaa dareeraha chokonic inay si dhakhso ah u sifeeyaan, oo ay jirto qarax ka soo baxa.
