Rajasthan Geography 2 Flashcards
What are the sections of Aravalli’s?
- North-EasternAravalli Range
- CentralAravalli Range
- Southern Aravalli Range
Features of Northern Aravalli Range?
- They are also called as Alwar hills. • Stretches from Delhi to isolated hills of Alwar & Jaipur.
Average elevation of 300-670 meters. • To north & east it merges with Ganga-Yamuna Plains. • Hill Ranges • Malkhet & Khetri Group of hills • Torawati Hills
• Peaks of North-Eastern
Aravalli Region: • Raghunathgarh (Sikar) - 1055 meters
• Khoh (Jaipur) - 920 meters
• Bhairach (Alwar) - 792 meters
• Barwara (Jaipur) - 786 meters
• Babai (Junjhunu) - 780 meters
Which are the Central Aravali region?
Includes districts of Ajmer, southwestern Tonk, Jaipur Surrounded on • North by -Alwar Hills • East by Karauli table-land • South by Banas plains • West by Sambhar basin Hill ranges l. Shekhawati lower hills o Marwar Hills
• Peaks of CentralAravalii Region
Which are peaks in Southern Arawali region?
• Guru Shikhar(Sirohi) - 1722 meters • Ser (Sirohi) - 1597 meters • Dilwara (Sirohi) - 1442 meters o Jarga (Sirohi) - 1431 meters • Achalgarh (Sirohi) - 1380 M • Kumbhalgarh (Rajsamand) - 1224 meters • Dhoniya - 1183 meters • Hrishikesh- 1017 meters • Kamalnath (Udaipur) - 1001 meters Sajjangarh (Udaipur)- 938 meters Lilagarh - 874 meters
Which are the hill ranges in Southern Aravali region?
Mewar hills & Bhorat Plateau Girwa Hills • Merwara Hills • Abu block & Oria plateau
Desert soil is found in?
Districts- Nagaur, Jodhpur, Jalore, Banner,Hanumangarh, Sriganganagar, Churu, Jhunjhunu and Sikar. • Rainfall-Lessthan 400 mm. • Texture-Sandy to Sandy loam. • It contains a high percentage of soluble salt & has high Ph value. • It has varying percentage of calcium carbonate & generally poor in organic matter. • These soils are pale brown, single
Kankar nodules
not fertile but can be made fertile by using phosphate and nitrate
Sand dunes are found in?
Districts-Barmer, Bikaner, Jaisalmer, Jaipur, Jodhpur, Churu. • Texture - loamy fine sand to coarse sand and may or may not be calcareous.
Yellowish brown
Calcium carbonate, kankar
Rainy season cultivation
Crops: Bajra or Khalif pulses on slopes in rainy season
Brown soil is found in?
Districts-Tonk, Bundi, Sawai Madhopur, Bhilwara, Udaipur and Chittorgarh. • Annual Rainfall - 50 cm to 75 cm is sufficient for Kharif crops. • Texture - Sandy loam to clay loam.
Colour: Greyish brown to yellow brown Banas river rich in calcium salts fertilisers essential rabi crop under irrigation
Sieozens are grown in?
Pali, Nagaur, Ajmer, Jaipur, Dausa Rainfall-50 to 70 Natural vegetation kharif crops on rain rabi on irrigation Kharif: Bajra, Jowar, Pulses. Rabi" Wheat. mustard. vegetables
Red Loams are found in?
Districts - Dungarpur, Banswara & parts of Udaipur, Chittorgarh. • Rainfall - 70 cm to 100 cm. • Texture - Sandy loam to sandy. • These soils are reddish in colour with granular/crumb structure & well drained.
rich content of iron-oxide, less calcium
maize, wheat, barley,
Hill soil is found in?
Districts-At the foot hills ofAravalli in Sirohi, Pali, Nagaur, Udaipur, Rajsamand, Chittorgarh, Bhilwara andAjmer. • Colour - Reddish to yellowish red to yellowish brown. • Texture - Sandy loam to clay and well drained.
Saline Sodic Soils (Solonchaks) are found in?
Districts- In the natural depressions like the Pachpadra, Sambhar, Deedwana, Ranns of Jalore and Barmer. • Colour-Dark grey to pale brown Water table is sometime close to surface.
no cultivation
only grasses and shrubs
Alluvial Soils/and Black Soils is found in?
Districts - Sriganganagar (soil deposited by Ghaggar), Kota, Bundi, Baran, Jaipur.
The soil is deficient in lime, phosphoric acid and humus.
• It varies from clayey to sandy loam in texture.
• The top soil contains ‘kankar’ which lie either on sands or sandy clays.
• A wide variety of crops including wheat, rice, cotton and tobacco are grown in this soil.
What are the soil groups according to the New system of classification?
- aridsols, alfisols, entisols, inceptisols and vertisols.
Aridisols are found in?
the western half of Rajasthan divided by the Aravalli axis and some parts of Alwar, Jaipur and Ajmer districts which fall on the eastern half.
mineral rich soil in dry climate
soils of order Entisols
covered by the suborder Orhids
What are the variants of Aridosols?
Camorthid: Brownish to raddish Calciorthids: 100 to 500 mm rainfals Salorthids: Ghaghar flood plain in Sri Gangannagar near kutchh. Salty grasses and shrubs Paleorthids: resddish to brown and white Jaisalmer, Barmer and Nagaur
Alfisols are found in?
• Districts: Parts of Jaipur, Alwar, Bharatpur, Sawai Madhopur, Tonk, Bhilwara, Chittorgarh, Banwara, Udaipur, Dungarpur, Bundi, Kota and Jhalawar. • These are mature soils with medium to maximum profile development. • Color: Reddish to Brownish Annual rainfall: 500 to 900mm. • Most of the area covered Alfisols in Rajasthan comes under only one suborder - ustalfs and one great group.
What is the feature of Entisols?
Lack of well developed horizons and have minimum profile development
It has Psamments, Orthents and Fluvent.
as suborders in Rajasthan
Western half
Where does Torripsam occur in?
Sand dunes and the flood plains
Quarzipsam are found in>
Small part of Jaisalmer and Barmer
Torrifuvens are in?
Ghaggar area of Sriganganagar
Rainfall does not exceeds 300 mm annually
Inceptisols are found in?
Aravali foothils
in the district of Udaipur, Bhilwara, Chittorgarh and Udaipur, Alwar, Sawai Madhopur and Jhalawar
Vertisols are found in?
Jhalwar, Kota, Bundi and small part of Sawai Madhopur, Bharatpur, Dungarpur, Chittorgarh and Banswara
Clayey soil, deep wide crack
Usterts and two groups Chromusterts, Pellusterts
what are the tributeries of Luni River
(Sukri, Rediya, Mithri, Bandi, Khari, Jawai, Guhiya and Sagi, and Jojari).
