Search results
Results From The WOW.Com Content Network
This type of soil is black in colour. These soils are also called as regur soils. In the north-western found Deccan Plateau. [5] The soil is suitable for growing cottons, due to which it is also known as black cotton soil. It is believed that the climatic conditions along with the parent rock material are the important factors for the formation ...
The terrain can also be found in small quantities elsewhere (for example, in 1% of Poland, Hungary, and Texas). It also exists in Northeast China, near Harbin. The only true chernozem in Australia is located around Nimmitabel, some of the richest soils on the continent. [7] Previously, there was a black market for the soil in
Terra preta (Portuguese pronunciation: [ˈtɛʁɐ ˈpɾetɐ], literally "black soil" in Portuguese), also known as Amazonian dark earth or Indian black earth, is a type of very dark, fertile anthropogenic soil found in the Amazon Basin.
Most of the region with igneous basaltic rock consists of black soil. These soils have a high clay content, retain moisture and are resistant to erosion, but develop cracks during the dry season. The gneiss peneplain region in the low rainfall areas in the eastern vicinity of the Western Ghats consist of infertile red soil. [32] [37]
Highly oxidized red soil in Tirunelveli District, India. Red colors often indicate iron accumulation or oxidation in oxygen-rich, well-aerated soils. [4] Iron concentrations caused by redox reactions because of diffusion of iron in crystalline and metermorphic rock, in periodically saturated soils may also present red colors, particularly along root channels or pores.
Black soil may refer to: Chernozem, fertile black soils found in eastern Europe, Russia, India and the Canadian prairies; Muck (soil), a soil made up primarily of humus from drained swampland; Vertisol, dark cracking soils with a high clay; Terra preta, "black earth" or soil of the Amazon river basin
Black soil are well developed in the Deccan lava region of Maharashtra, Gujarat, and Madhya Pradesh. [82] These contain high percentage of clay and are moisture retentive. [90] Red soils are found in Tamil Nadu, Karnataka plateau, Andhra plateau, Chota Nagpur plateau and the Aravallis. [82] These are deficient in nitrogen, phosphorus and humus.
The black, volcanic soil is ideal for the cultivation of cotton, and textile manufacture is an important industry. Large centres of textile production include Indore, Ujjain and Nagda. Maheshwar is known for its fine Maheshwari saris, and Mandsaur for its coarse woollen blankets. Handicrafts are an important source of income for the tribal ...