|Table of Contents|

Transport of Arsenic in Reclaimed Water-Soil-Fruit and Vegetable System(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年05期
Page:
169-172
Research Field:
Publishing date:

Info

Title:
Transport of Arsenic in Reclaimed Water-Soil-Fruit and Vegetable System
Author(s):
Transport of Arsenic in Reclaimed Water-Soil-Fruit and Vegetable System
College of Grassland and Environment Sciences,Xinjiang Agricultural University,Urumqi,Xinjiang 830052
Keywords:
arsenicreclaimed watersludgesoilfruit and vegetable
PACS:
X 53
DOI:
-
Abstract:
Taking Chinese cabbage,radish and grape as test materials,using recycled water for irrigation and sludge for fertilization,after 2011 and 2012 two years field experiments.Atomic absorption spectrometer hydride generating device was used to analyze the As content of irrigation water,soil,fruit and vegetable samples.The results showed that As content of irrigation-purpose clean water and reclaimed water were within As limits stated by national standard for farmland irrigation water quality (GB5084-2005),and As content of clean water was higher than that of reclaimed water;according to the Standard of Pollutants Control in Farm Sludge (GB4284-84),the As content in the sludge did not exceed the limits stated by the Standard for two consecutive years.Concerning the measured value of As content in soil,it was 2012>2011>background value,which indicated that As accumulation in the surface soil as a result of clean water irrigation,irrigation with reclaimed water and sludge fertilizer,but did not yet exceeded the limits specified by the national standard.As was detected in the aboveground parts of vegetable samples and grape in 2011,and the result showed that As content with clean water irrigation>that with reclaimed water irrigation.No As was detected in the vegetable and grape samples in 2012.As content in the fruit and vegetable samples did not exceeded the limits of contaminants in Food GB2764-2012.

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Last Update: 2014-08-10