Ona jins (S) tuproq paydo bo’lish jarayonlari kam ta’sir etgan G’ovak jinslardan iborat. Tuproq osti tub jinslari (D), odatda tuproq gorizontlari mvayyan jinslarda paydo bo’lib, uning ostida esa boshqa xossalarga ega jinslar mavjud bo’lganda ajratiladi. Har bir tuproq tipi uchun o’ziga xos gorizontlar xarakterli bo’lib, ba’zan bu gorizontlar ayrim tuproqlar profilida bulmasligi mumkin.
Mother sex ( S ) , the process of soil formation to be less affected by the porous rock . Soil underground rock ( D ) , generally horizontal certain rock dust , and other properties under the rocks are separated . A characteristic of the specific type of soil horizons , often not by more horizontal some of the soil profile .
Gley (berch) gorizonti (G) - gidromorf tuproqlarda hosil bo’ladi. Doimiy yoki o’zoq muddatli suv bosib turadigan o’ta nam va erkin kislorod yetishmaydigan sharoitda, tuproqda anaerob-qaytarilish jarayonlari boradi. Natijada temir, marganetsning va alyuminiy harakatchan shaklining tuliq oksidlanmagan (zakis) birikmalari yuzaga keladi hamda o’ziga xos qiyofa, ya’ni kukimtir, ko’lrang-zangori yoki xira yashil tus beradi. Agar gleylanish boshqa gorizontlarda ham ifodalangan bulsa, ularning harfli indekslari yoniga "g" deb yozib quyiladi. Masalan, Ag, Bg va hokazo.
Grey ( Bercy ) horizon ( G ) - hydromorphic soils are formed . Ozal term or permanent water and hold moisture and oxygen deficient conditions , anaerobic reduction processes in the soil . As a result , iron , manganese and aluminum in the shape of mobile Tulip acid ( oral ) compounds occur and the kind of clothes that kukimtir ko’lrang - green or pale green . Grey horizontal even if expressed in their letters seem to be next to the " d " into the record . For example , Ag , BG , and so on .
