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Recycling of silicon-rich agro-wastes by their combined application with phosphate solubilizing microbe to solubilize the native soil phosphorus in a sub-tropical Alfisol

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Title Recycling of silicon-rich agro-wastes by their combined application with phosphate solubilizing microbe to solubilize the native soil phosphorus in a sub-tropical Alfisol
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Creator Khurshid Alam
Dipak Ranjan Biswas
Ranjan Bhattacharyya
Debarup Das
Archna Suman
Tapas Kumar Das
Ranjit Kumar Paul
Avijit Ghosh
Abhijit Sarkar
Rajesh Kumar
Gautam Chawla
 
Subject Si-rich agro-wastes
P fractionation
Native soil P solubilization
Phosphate solubilizing microorganism
 
Description Not Available
It is imperative to find suitable strategies to utilize the native soil phosphorus (P), as natural rock phosphate deposits are at a verge of depletion. We explored two such cost-effective and eco-friendly strategies for native soil P solubilization: silicon (Si)-rich agro-wastes (as Si source) and phosphate solubilizing microorganism (PSM). An incubation study was conducted in a sub-tropical Alfisol for 90 days at 25 °C under field capacity moisture. A factorial completely randomized design with 3 factors, namely: Si sources (three levels: sugarcane bagasse ash, rice husk ash, and corn cob ash), PSM (two levels: without PSM, and with PSM); and Si doses [three levels: no Si (Si0), 125 (Si125) and 250 (Si250) mg Si kg−1 soil] was followed. The PSM increased solution P and soluble Si level by ∼22.2 and 1.88%, respectively, over no PSM; whereas, Si125 and Si250 increased solution P by ∼60.4 and 77.1%, as well as soluble Si by ∼41.5 and 55.5%, respectively, over Si0. Also, interaction of PSM × Si doses was found significant (P
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Date 2022-08-01T15:01:54Z
2022-08-01T15:01:54Z
2022-06-01
 
Type Research Paper
 
Identifier Khurshid Alam, Dipak Ranjan Biswas, Ranjan Bhattacharyya, Debarup Das, Archna Suman, Tapas Kumar Das, Ranjit Kumar Paul, Avijit Ghosh, Abhijit Sarkar, Rajesh Kumar, Gautam Chawla (2022). Recycling of silicon-rich agro-wastes by their combined application with phosphate solubilizing microbe to solubilize the native soil phosphorus in a sub-tropical Alfisol, Journal of Environmental Management, Volume 318, 115559.
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http://krishi.icar.gov.in/jspui/handle/123456789/73670
 
Language English
 
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Publisher Not Available