Posts

Showing posts with the label type of soils

Distinguish between the characteristics of Chernozem and Sierozem soils - 2017 UPSC Civil Services Exam Geography Optional Mains Questions

  The following table can be elaborated for the above question :  Chernozem Sierozem Location Temperate Grasslands Mid latitudinal deserts Climate  Sub humid climate Arid climate Fertility Highly fertile Less fertile Organic content Medium to High Low Minerals Calcium rich soils on surface Lime and Gypsum close to surface Vegetation Steppe grasses Thorny, Xerophytic vegetation Regions Prairies, Steppe, Pampa, Entre Rios, Downs, Veld Mongolia, Colorado, Sinkiang, Turkmenistan Join the Geography telegram channel for latest updates and current events in the field of Geography using the link https://t.me/geolite Visit  www.enliteias.com  for details regarding Geography Optional.

Soil Structure : Biogeography

Image
  Soil Structure It is defined by the way individual particles of sand, silt, and clay are assembled. Single particles when assembled appear as larger particles. These are called aggregates. Based on the size and shape of peds, there are different structures. Some of them are 1. Granular and crumb structures are individual particles of sand, silt and clay grouped together in small, nearly spherical grains. Water circulates very easily through such soils. They are commonly found in the A-horizon of the soil profile 2. Blocky and sub angular blocky structures are soil particles that cling together in nearly square or angular blocks having more or less sharp edges. Relatively large blocks indicate that the soil resists penetration and movement of water. They are commonly found in the B-horizon where clay has accumulated; 3. Prismatic soil particles that are formed into vertical prismatic structure. Similar to  columnar structure. 4. Columnar structures are soil particles...