Publication: Soil physicochemical status and nutrient management for paddy soils in the lower central plain of Thailand after the flood disaster in 2011
Issued Date
2014-06
Resource Type
Language
eng
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Mahidol University
Rights Holder(s)
Faculty of Environment and Resource Studies. Mahidol University
Bibliographic Citation
Environment and Natural Resources Journal. Vol.12, No.1 (2014), 57-67
Suggested Citation
Benjaporn Intorpetch, Worachart Wisawapipat, Chumlong Arunlertaree, Piyakarn Teartisup Soil physicochemical status and nutrient management for paddy soils in the lower central plain of Thailand after the flood disaster in 2011. Environment and Natural Resources Journal. Vol.12, No.1 (2014), 57-67. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/3170
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Title
Soil physicochemical status and nutrient management for paddy soils in the lower central plain of Thailand after the flood disaster in 2011
Other Contributor(s)
Abstract
The soil fertility status were evaluated for 29 paddy soils in Phra Nakhon, Si
Ayutthaya and Pathum Thani provinces, Thailand that had been affected by the flood
disaster in 2011. The chemical fertility status of the soils in the flood affected areas was
medium, which is relatively superior to the pre-flood condition. The available potassium
in most soils was slightly larger (mean = 220 mg kg-1) than the values previously
reported on these soils (mean = 188 mg kg-1). However, mean values of available
phosphorus for most soils were rather small (7.5 mg kg-1), indicating a loss of
phosphorus fertility and those farmers in the flood affected areas needed to apply
additional phosphorus fertilizer in order to achieve satisfactory crop yields. Liming
should also be used to minimize potential Al/metals toxicity and correct imbalances of
plant nutrients. Several plant nutrients (NPK) and organic materials need to be regularly
applied to maintain soil fertility levels at optimum values.