An kafa ƙasa Podzolic a cikin dazukan coniferous. Nau'o'in shukar da ke cikin ƙasa da ƙwayoyin halittar sunadarai suna da hannu cikin asalin wannan nau'in ƙasa. Wannan nau'in ƙasar ya dace da ci gaban bishiyoyin coniferous, shrubs, herbaceous plant, mosses and lichens.
Yanayi don samuwar podzol
An kafa nau'in ƙasa na Podzolic a ƙarƙashin halaye masu zuwa:
- ƙananan yanayin iska;
- akwatin kifaye;
- ƙananan nitrogen a cikin ganyayyaki sun faɗi a ƙasa;
- jinkirin ayyukan ƙwayoyin cuta;
- bazuwar fungal-acid;
- daskarewa kasar gona;
- ganyen da ya faɗo ya zama babban Layer;
- leaching na acid a cikin ƙananan layin ƙasa.
Yanayin gandun daji na coniferous yana ba da gudummawa ga samuwar yanki na musamman - podzolic.
Haɗuwa da ƙasa podzolic
Gabaɗaya, ƙasa podzolic ƙasa ce mai tarin yawa waɗanda ke da wasu halaye. Soilasa ta ƙunshi yadudduka da yawa. Na farko shine zuriyar daji, wanda yakai matakin 3 zuwa 5 santimita, yana da ruwan kasa mai ruwan kasa. Wannan shimfidar ya ƙunshi nau'ikan mahaɗan kwayoyin - foliage, allurar coniferous, mosses, ƙwayar dabbobi. Layer na biyu tsayin santimita 5 zuwa 10 kuma yana da launi mai launin toka-fari. Wannan yanayin sararin samaniya ne. Na uku shine layin podzolic. Kyakkyawan nitsatse ne, mai kauri, bashi da tsari mai kyau, kuma fari ne. Yana kwance a matakin 10-20 santimita. Na huɗu - layin illuvial, wanda yake a matakin 10 zuwa 30 santimita, launin ruwan kasa ne da rawaya, ƙwarai da gaske kuma ba tare da tsari ba. Ya ƙunshi ba kawai humus ba, har ma da ƙwayoyin silt, iri-iri iri-iri. Bugu da ari, akwai shimfidar da aka wadata da humus, da kuma wata hanyar da ba ta dace ba. Wannan yana biye da dutsen iyaye. Inuwar shimfidar ya dogara da launin nau'in. Waɗannan galibi sune launuka masu launin rawaya-fari.
Gabaɗaya, podzol ya ƙunshi kimanin humus biyu cikin ɗari, wanda ya sa ƙasar ba ta da amfani sosai, amma wannan ya isa ga ci gaban bishiyoyin coniferous. Contentananan abun ciki na abubuwan alaƙa shine saboda mummunan yanayi.
Yankin yanki na gandun daji coniferous yana da irin wannan nau'in ƙasa kamar ƙasa podzolic. Anyi la'akari da rashin haihuwa, amma cikakke ne don ci gaban larch, fir, pine, itacen al'ul, spruce da sauran bishiyun da basu da kyawu Dukkanin halittu masu rai na yanayin halittar gandun daji suna shiga cikin samuwar kasa podzolic.
