D.S. Chahal's research while affiliated with Punjab Agricultural University and other places
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Publications (16)
Seven forms of boron (B) using different extractants were determined in salt affected benchmark soils of Punjab. The soil pH varied from 8.60 to 10.24, EC from 0.13 to 4.8 dS m-1, CaCO3 content from 0.30 to 26.8 g kg-1 and organic C from 1.1 to 5.5 g kg-1. The content of water soluble (WS-B), hot water soluble (HWS-B), hot 0.01 M CaCl2 soluble (HCC...
The adsorption isotherms indicated that the adsorption of boron (B) increased with its increasing concentration in the equilibrium solution. The Langmuir adsorption isotherm was curvilinear and it was significant when the curves were resolved into two linear parts. The maximum value of adsorption maxima (b1) was observed to be 7.968 mg B kg−1 in Ga...
Boron (B) exists in soils in various forms and only few are available to plants. The mean content of water soluble (WS-B), hot water soluble (HWS-B), hot 0.01 M CaCl(2) soluble (HCC), acid soluble (HCl-B), leachable or mannitol extractable (Mann-B), ABDTPA extractable and total boron in alluvium derived soils of Punjab was 0.26, 0.51, 0.49, 0.53, 0...
Boron (B) desorption is one of the most important factors in deciding the efficiency of B fertilization and its management in intensively cultivated soils. A study was conducted in benchmark soils of Punjab to ascertain the rate of B release in relation to soil properties. Four mathematical models viz. Integrated second approximation rate equation,...
Profiles of arid and semi-arid zones soils of Punjab, northwestern India, were investigated for different forms of iron (Fe): total Fe, diethylenetriamine penta-acetic acid (DTPA)-extractable Fe, soil solution plus exchangeable Fe, Fe adsorbed onto inorganic sites and oxide surfaces, and Fe bound by organic sites. Irrespective of the different frac...
The effect of clay content and organic matter on adsorption of boron (B) in alkaline soils of Punjab was investigated. Three agricultural field soil samples, varying widely in clay and organic matter content were used for the study. The soils were equilibrated with a wide range of B i.e. 1 to 100 mg kg-1. The adsorption of B increased with its incr...
The understanding of the boron (B) adsorption mechanism on soil materials is vital because plants respond primarily to the B activity in soil solution. Batch studies were conducted to investigate the adsorption behavior of B in 21 surface soils representing major soil series of Punjab. The soils varied widely in their properties. Six mathematical m...
Profile as well as surface samples were collected from Typic Haplustalfs (Gurdaspur series) of Punjab for determination of different forms of boron. Surface soils were loam in texture with organic carbon content varying from 0.30 to 1.02%. Water soluble B ranged from 0.14 to 0.28 mg kg-1 ; hot water soluble boron from 0.20 to 0.72 mg kg-1 ; and lea...
Greenhouse and laboratory studies were undertaken to evaluate the suitability of soil chemical extractants for determining the boron (B) status of semi-arid soils of Punjab (India) using Egyptian clover (Trifolium alexandrinum) as a test crop. Clover is an important fodder crop of northern India, which is widely grown in Punjab. This crop is sensit...
Profiles of semi‐arid–zone soils in Punjab, northwest India, were investigated for different forms of zinc (Zn), including total, diethylenetriamine penta‐acetic acid (DTPA)-extractable, soil solution plus exchangeable (Zn), Zn adsorbed onto inorganic sites, Zn bound by organic sites, and Zn adsorbed onto oxide surfaces. Irrespective of the differe...
Horizon-wise soil samples representing seven benchmark soil series located in three moisture regimes of Punjab were collected and analysed for physical and chemical characteristics and available boron. The texture of soils vary from loamy sand to clay loam and organic carbon from 0.30 to 11.0 g kg'!. Available boron (hot water soluble) ranged from...
Profiles of arid‐zone soils in Punjab, northwest India, were investigated for different forms of Fe, including total, diethylenetriamine penta‐acetic acid (DTPA)‐extractable, soil solution plus exchangeable Fe, Fe adsorbed onto inorganic sites, Fe bound by organic sites, and Fe adsorbed onto oxide surfaces. In general, the highest content of Fe was...
Citations
... Also, significance of CEC in predicting available B pools in soil has been established (Elrashidi and O'Connor 1982). As organically bound fraction of B is the most significant and pivotal pool governing transformation and distribution of B in different fractions, these two properties (organic C and CEC) favored by high organic matter content had significant correlation with different B fractions (Arora and Chahal 2010). Relationship of different B fractions with CEC and organic C observed in the present case could also be ascribed to the role of organic matter in providing prominent B adsorption sites in the soils via ligand exchange (Yermiyahu et al. 2001;Dey et al. 2013). ...
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... x x x with HW-B in Typic Haplustalfs (Gurdaspur series) of Punjab was also reported [4]. ...
... As a result of the leaching of B in lighttextured lateritic soil, the values of water soluble boron show sharp declines through the depth. Arora and Chahal[37] and Chaudhary and Shukla[33] also reported a comparable trend in depth-based profile B status. ...
... The copper and zinc content varied from 0.33 to 0.86 mg/kg and 0.36 to 0.52 in pedon1 soils but that of pedon 2 it was ranged from 0.24 to 0.66 mg/kg and 0.29 to 0.77 mg/kg. The results also show that available boron content varies from 0.10 to 0.41 mg/kg in pedon 1 and 0.32 to 0.67 mg/kg in pedon 2. Similar findings were found in [16,17,18]. of a typical mineral soils, but the pore space showed a reverse trend on confirming the compactness and aging of soils towards subsurface horizons. The pore space varied from 34.2 to 36 &3 5.77 to 41.30 percentages in pedon1 & pedon2 respectively.Pedon1 was light texture soil whereas pedon2 was a heavy texture soil. ...
... Singh and Nayyar (1999) have reported B deficiency in alluvial soils of arid and semi-arid regions of Punjab. However, B toxicity in saline soils of Punjab has also been reported (Arora and Chahal, 2005) because the critical range between the deficiency and toxicity limit for B is very narrow as compared to other elements. Even during a single crop growth season, both deficiency and toxic conditions can appear on the same crop (Reisenauer et al., 1973). ...
... Upadhyay and Bhandari [33] observed the available-K status (261.0 kg ha -1 ) of the soil increased with increase in fertilizer compared with control (177.4 kg ha -1 ) in an experiment in gravely loam Typic Hapludalf of Solan. Further, Arora and Chahal [34] also reported available K content varied from 41.5 to 314.0 mg kg -1 in the surface and 32.0 to 243.0 mg kg -1 in the subsurface soils with an average value of 76.0 mg kg -1 . Similarly, Sharma and Bhandari [27] also reported available K content varied from 1.12 to 3.33 me 100 g -1 in the apple growing red soil. ...
... Nevertheless, this fraction is not available for plant uptake. However, the impact of diverse B fractions on available B fractions in soils has not been investigated systematically (Chaudhary and Shukla, 2004;Arora and Chahal, 2007). Hot-water-extractable B has been considered an appropriate index for B availability to plants (Bingham, 1982;Bhupenchandra et al., 2021). ...
... A remarkable difference in mobility, bioavailability and chemical behavior of soils B fractions were recorded and can be transformed under varying conditions. Boron adsorption parameters may be useful in modeling the plant B uptake from applied pool in different soils.Adsorption and desorption of B is an important phenomenon in soils that regulates its supply from soils for plant growth (Arora and Chahal 2005). Among the different soil orders for adsorption of boron in soil, Inceptisols recorded the highest next to Vertisols, followed by Alfisols in 12 soils representing different agro-ecological regions of India. ...
... However, at high B equilibrium concentration, soil samples show a remarkable difference in B adsorbed than at low B equilibrium concentration (Figure 3). Many researchers have also reported that the adsorption of B increased with the increase of B concentration in soil solution [30,31]. e highest amount of B adsorption was recorded in the A/C horizon. ...
... Its deficiency has been realized as the second most important micronutrient constraint in crops on the global scale (Ahmad et al., 2012). Boron has emerged as an important micronutrient in Indian agriculture in the context of the spread of its deficiency (Sathya et al., 2009;Arora and Chahal, 2015). About one-third of the cultivated soils in India are deficient in B (Gupta et al., 2008). ...
