Izihlahla yizona ezithatha isikhathi eside emhlabeni wethu. Bayakwazi ukuba khona eMhlabeni amakhulu noma izinkulungwane zeminyaka. Zivame ukukhiqiza amangqamuzana amasha akha esihlokweni samasongo okukhula minyaka yonke. Zisiza ukusungula ubudala bemithi. Ochwepheshe bathi eminyakeni yamuva nje, izinga lokukhula kwezihlahla eziningi lenyuke kakhulu. Ngokuqondene nejubane, kuya ngezimo zemvelo. Uma utshala izihlahla engadini yakho, izinga lokukhula kwazo lingakhuphuka ngokuzinakekela kahle.
Njengabantu, izihlahla zikhula ngenkuthalo zisencane, futhi njengoba zikhula, ukukhula kuyehla, noma kuyeke ngokuphelele. Kuyaphawuleka ukuthi emhlabeni, izinhlobo ezahlukahlukene zezihlahla zinamazinga okukhula ahlukile. Isimo sezulu nezimo zezulu kubaluleke kakhulu kule nqubo.
Izihlahla ezikhula ngokushesha
Imithi enezinga eliphezulu lokukhula ikhula ezingxenyeni ezihlukene zomhlaba. Zingahlukaniswa ngamaqembu alandelayo:
- ikhula ngokushesha okukhulu - ngonyaka zikhula cishe ngamasentimitha angama-200 (i-acacia emhlophe, i-paulownia, i-willow emhlophe, i-poplar emnyama, i-maple yesiliva, i-eucalyptus, i-birch ye-warty);
- ukukhula ngokushesha - unyaka, ukwanda cishe ngamasentimitha ayi-100 (i-elm enolaka, isi-spruce esivamile, i-larch yaseYurophu, i-elm, isikamore, i-walnut, i-pine evamile);
- kukhula ngokulingene - kungezwa amasentimitha angama-50-60 kuphela ngonyaka (i-Amur velvet, i-prickly spruce, i-hornbeam, umjunipha waseVirginia, i-maple yensimu, i-linden yesiliva, i-fir yaseCaucasus, i-rock oak).
Kulezi zinhlobo zezihlahla, izinkomba zethulwa ezivela esigabeni sokukhula okusebenzayo, lapho umuthi umncane.
Izihlahla ezikhula kancane
Njengezihlahla ezikhula ngokushesha, kunabantu abakhula kancane. Isikhathi esingangonyaka zikhula cishe ngamasentimitha ayi-15-20, noma ngisho nangaphansi. Lezi ipheya lomuthi wama-apula, isihlahla sepistachio ne-thuja esempumalanga, i-boxwood ne-cypress ebuthuntu, i-willow encane, umsedari waseSiberia kanye ne-berry yew
Ngokushesha nje lapho ukukhula kwesihlahla kuncipha, kuthola ubukhulu besigodo. Lokhu kungenxa yokuthi izihlahla ezindala zimunca i-CO2 eningi ngakho-ke zengeza isisindo. Ngenxa yalokho, singaphetha ngokuthi izihlahla ezincane zikhula ngenkuthalo ngobude, nezindala ngobubanzi. Lezi zinqubo zincike ezinhlotsheni ezithile zezihlahla nezimo zemvelo.