Zinc Adsorption–Desorption Behavior and Sequential Extractable Pools in Sugarcane-Based Cropping Systems of Western Indo-Gangetic Plain

The fractionation of Zn and its adsorption at soil matrix are crucial for careful management to attain the sustainability in Western Indo-Gangetic Plain region. To fulfil the objectives, the soil at the three depths (15, 30 and 45 cm) was collected from the farmers field in 2021–2022 from five diffe...

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Published in:Sugar tech : an international journal of sugar crops & related industries 2024-12, Vol.26 (6), p.1802-1815
Main Authors: Singh, Shivam, Kumar, Satendra, Dutta, Debashis, Raghuvanshi, Richa, Pathak, Jagannath, Shahi, Uday Pratap, Dhyani, B. P., Kumar, Ankit, Singh, Mahendra Pratap, Panday, Himanshu, Shah, A. K.
Format: Article
Language:English
Subjects:
Adsorption
Agriculture
Biomedical and Life Sciences
Calcium carbonate
Cereal crops
Clay loam
Cropping sequence
Cropping systems
Fractionation
Isotherms
Life Sciences
Loam
Mustard
Organic carbon
pH effects
Research Article
Rice
Sandy loam
Sandy soils
Soil water
Soils
Sorption
Sugarcane
Wheat
Zinc
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Summary:The fractionation of Zn and its adsorption at soil matrix are crucial for careful management to attain the sustainability in Western Indo-Gangetic Plain region. To fulfil the objectives, the soil at the three depths (15, 30 and 45 cm) was collected from the farmers field in 2021–2022 from five different cropping systems (sugarcane–ratoon–wheat, sugarcane–ratoon–wheat–rice, sugarcane–mustard–ratoon–rice, sugarcane–cucumber–ratoon, and sugarcane–ratoon–potato) which are practicing the same cropping sequence since from 12 years and a reference soil which remains uncultivated from last 50 years. The soil was sandy loam to sandy clay loam in texture with BD 1.33 gm/cc and 22% water holding capacity. The pH and EC revealed neutral-to-moderate alkaline, low-to-medium organic carbon (0.59 mg/kg), medium-to-high Olsen’s phosphorous (30.14 mg/kg) and low to sufficient DTPA-Zn (1.82 mg/kg). Sugarcane–ratoon–wheat among cropping system revealed highest total (86.94 mg/kg), residual (67.95 mg/kg) and sequentially extractable Zn (19 mg/kg) fractions which implies that Zn is retained and released for longer duration. The retention of Zn at the soil matrix was further clarified by sorption mechanism which invoked maximum %Zn sorption occurred at S 1 (49.17%). The sorption phenomena of Zn on soils are spontaneous (Δ G is negative) and are physically adsorbed ( E  
ISSN:0972-1525
0974-0740
DOI:10.1007/s12355-024-01429-6