Prevalence and Control of Pathogenic Contamination in Some Sewage Irrigated Vegetable, Forage and Cereal Grain Crops.
From: Central Soil Salinity Research Institute, Zarifa Farm, Karnal 132 001, India. psminhas@cssri.ernet.in
Bioresource technology
- Publish Date: Jul 2006
- ISSN: 0960-8524
- Volume: 97
- Issue: 10
- Pages: 1174-8
- Medium: Print
- Language: English
- Citation (JAMA): Minhas P S, Sharma N, Yadav R K, et al. Prevalence and Control of Pathogenic Contamination in Some Sewage Irrigated Vegetable, Forage and Cereal Grain Crops.. Bioresour. Technol. Jul 2006;97:1174-8
Abstract
A total of 344 samples comprising of different vegetables, fodder and grain crops were obtained from a long-term experiment under sewage irrigation. The aerobic bacterial plate counts for vegetables, fodder and grain crops ranged between 2 x 10(6) and 3.5 x 10(7), 6 x 10(6) and 3 x 10(8), 2 x 10(5) and 3.8 x 10(10), respectively, while the corresponding Faecal coliform ranged between < 2 and 9 x 10(5), 9 x 10(2) and 2 x 10(5) and < 2, indicating that the pathogenic loads got reduced below permissible level in the produce that was harvested after sun drying in the field itself, whereas the parts coming in direct contact were the most severely contaminated. The health hazards could be markedly lowered with adoption of some of the low cost practices such as repeated washings, exposure of the produce to sunlight and raising the crops on beds. The coliform counts in vegetables were within permissible limits by two washings with water, exposing these to sunlight for about 4 h and removing the two outmost leaves of cabbage. Also, cutting above some height from ground level (0.10 m) in sorghum reduced the pollution load in fodder crops.
Mesh Headings (Keywords): Agriculture, Animal Feed, Bacteria, Cereals, Environmental Monitoring, Food Contamination, Food Microbiology, Prevalence, Public Health, Sewage, Vegetables, Water Microbiology
Check for Full Text / PubMed Unique Identifier (PMID): 16023342
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