Factors and processes of soil degradation in vertisols of the Purna Valley, Maharashira, India

Balpande, S. S.; Deshpande, S. B.; Pal, Dilip Kumar

doi:10.1002/(sici)1099-145x(199612)7:4<313::aid-ldr236>3.0.co;2-#

Cited by 77 publications

(44 citation statements)

References 12 publications

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“…110, NO. 9, 10 MAY 2016 1666 45,46 ). a, Organic carbon; b, CaCO3 (%) (also on the basis of age of soils assuming calcium carbonate formation @ 1.48 mg 100 g m -1 soil yr -1 in 0-100 cm soil depth (Pal et al 39 ); c, extractable sodium percentage; d, extractable potassium; e, bulk density (mg kg -1 ); f, extractable calcium/magnesium ratio; g, saturated hydraulic conductivity (cm hr -1 ).…”

Section: Soils For Tomorrowmentioning

confidence: 99%

ICRISAT, India Soils:Yesterday, Today and Tomorrow

Bhattacharyya

Wani²,

Pal

et al. 2016

Current Science

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Associated red and black soils are common in the Deccan plateau and the Indian peninsula. The red soils are formed due to the progressive landscape reduction process and black soils due to the aggradation processes; and they are often spatially associated maintaining their typical characteristics over the years. These soils are subject to changes due to age-long management practices and the other factors like climate change. To maintain soil quality, it is essential to monitor changes in soil properties preferably using benchmark (BM) soil sites. One such example lies at the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) farm in Patancheru, India where red (Patancheru) and black (Kasireddipalli) soils co-exist in close association under almost similar topographical condition, which also represents very commonly occurring spatially associated soils. The database generated over the years for these two dominant soils that are under cultural practices for the last 2-3 decades, helps us understand the relative changes in properties over a time scale. To do this exercise, we revisited the BM spots as the data on the original characterization of these soils since the development of the farm, are available, for comparative evaluation. We also attempted to make prediction of future changes in properties for these two important and representative black and red soils of the ICRISAT farm in Patancheru, India.

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Section: Soils For Tomorrowmentioning

confidence: 99%

ICRISAT, India Soils:Yesterday, Today and Tomorrow

Bhattacharyya

Wani²,

Pal

et al. 2016

Current Science

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“…The SAT climate of the area induced precipitation of carbonates which in turn has increased Na + ion in the exchange complex 1 . This is common in IGP, ferruginous and black soil regions of India wherein SAT climate induces the precipitation of calcium carbonates with a concomitant development of subsoil sodicity 1,14,17,19,20 . The formation of CaCO 3 and illuviation of clay can be considered as the two pedogenic processes occurring simultaneously as contemporary events in the drier climates in ML position.…”

Section: Micro Topography: As Factor Of Natural Soil Degradation In Satmentioning

confidence: 62%

“…Although selected pedogenic processes such as laterization, hard setting, fragipan formation and claypan formation are hitherto considered as natural soil degradation processes as they lead to less desirable physical and chemical conditions, causing degradation of soils 7,8 , the majority of the information on soil degradation at national 9,10 , regional 11 or international level 12,13 has focused only on anthropogenic degradation. However, a few recent reports on major soil types (Indo-Gangetic Plains or IGP, red ferruginous and deep black soils) at the National Bureau of Soil Survey and Land Use Planning (NBSS&LUP, ICAR), Nagpur, India showed that the development of sodicity and accumulation of relatively higher amounts of exchangeable Mg (EMP) than that of exchangeable Ca (ECP) in soils are also a natural process of soil degradation in the SAT climatic conditions 1,3,[14][15][16][17][18][19][20] .…”

Section: Definition Processes and Factors Of Soil Degradationmentioning

confidence: 99%

“…Incidentally, all sodic soils are calcareous, but all calcareous soils are not sodic 1 . Calcareousness of soils is caused by the presence of both pedogenic and non-pedogenic CaCO 3 , but the pedogenic formation of CaCO 3 (PC) is not a favourable chemical reaction for soil health because this creates unfavourable physical conditions, caused by concomitant development of exchangeable sodium per cent (ESP) 1,14,26 . The presence of pedogenic CaCO 3 (PC) that is distinguished from the pedorelict CaCO 3 (NPC) by the soil thin section studies 2 , is common in major soil types of India (alluvial soils of the Indo-Gangetic plains, ferruginous soils and shrink-swell soils) ( Figure 1).…”

Section: Pedogenic Processes In the Sat: Cause Of Chemical Soil Degramentioning

confidence: 99%

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Natural Chemical Degradation of Soils in the Indian Semi-Arid Tropics and Remedial Measures

Pal

Bhattacharyya²,

Sahrawat³

et al. 2016

Current Science

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“…One such valley in Amravati and Akola district of Maharashtra is the Purna valley. Considerable portions of this valley are saline and prone to be waterlogged [13][14][15][16] . The Soil Survey Department of Maharashtra also reported this problem on both sides of the Purna River.…”

Section: Introductionmentioning

confidence: 99%

Influence of Irrigation Water on Black Soils in Amravati District, Maharashtra

Padekar¹,

Bhattacharyya

Ray

et al. 2016

Current Science

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In view of earlier reports on the occurrence of saltaffected shrink-swell soils in the Purna valley areas in Amravati district of Maharashtra, the present study was carried out to assess the current nature and extent of soil degradation due to use of irrigation water. Results indicate that the irrigation water used to raise agricultural crops in Amravati, Bhatkuli, Warud and Daryapur tehsils contains enough soluble Na-ions and residual sodium carbonate as the water belongs to C4S2 and C4S1 class of the United States Salinity Laboratory. The anthropogenic activities by introducing irrigation have caused severe drainage problem in the shrink-swell soils of the district, which are highly clayey and smectitic that have inherent low permeability. Only exception is the better drained soils of Warud tehsil, which are endowed with Ca-zeolite that help to ward off the ill effects of irrigation. The study thus suggests that continuing the present anthropogenic activities might render the soils unsuitable for agricultural production in the future. In contrast, the soils which are not irrigated do not suffer from any serious degradation in terms of high exchangeable Na (ESP) and low saturated hydraulic conductivity (sHC), suggesting that it would be prudent to encourage rainfed agriculture in the district under improved management practices.

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Factors and processes of soil degradation in vertisols of the Purna Valley, Maharashira, India

Cited by 77 publications

References 12 publications

ICRISAT, India Soils:Yesterday, Today and Tomorrow

ICRISAT, India Soils:Yesterday, Today and Tomorrow

Natural Chemical Degradation of Soils in the Indian Semi-Arid Tropics and Remedial Measures

Influence of Irrigation Water on Black Soils in Amravati District, Maharashtra

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