Soil tests in Kuttanad paddy fields show aluminium levels 39 to 165 times above safe limits
GS3Economy · S&T · Environment · Security· Cropping patterns & irrigation· Prelims + Mains·
Why in news
Soil tests in Kuttanad, Kerala, revealed aluminum concentrations in paddy fields exceeding safe limits by 39 to 165 times, prompting calls for government intervention.
Background
The Kerala Centre for Pest Management (KCPM) and Rice Research Station, Vyttila, analyzed 12 paddy fields in Kuttanad. Aluminum levels were found to range from 77.51 ppm to 334.10 ppm, significantly exceeding permissible limits.
Facts for Prelims
- FactAluminum concentrations in tested fields ranged from 77.51 ppm to 334.10 ppm.
- BodyKerala Agricultural University: The body overseeing the Rice Research Station, Vyttila.
- FactAluminum levels were found to be 39 to 165 times above safe limits.
For Mains
Q. Discuss the impact of soil heavy metal contamination on agricultural sustainability and the livelihood of farmers in wetland ecosystems like Kuttanad.
Dimensions to cover in your answer
- Soil toxicity: Accumulation of aluminum affecting crop yield and long-term soil fertility
- Remediation hurdles: Technical and financial challenges in decontaminating large-scale wetland paddy fields
- Livelihood vulnerability: Economic risks to smallholder farmers due to soil degradation and food safety concerns
Keywords: Soil degradation · Heavy metal contamination · Wetland agriculture · Remediation measures · Food safety
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