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Characterization and mapping irrigation water quality of coconut groves in Coimbatore and Tiruppur districts of Tamil Nadu, India

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Title Characterization and mapping irrigation water quality of coconut groves in Coimbatore and Tiruppur districts of Tamil Nadu, India
Not Available
 
Creator V. Selvamani
V.P. Duraisami
 
Subject Characterization
coconut
irrigation
land cover
mapping
water quality
 
Description Not Available
It is essential to characterize and map the irrigation water quality to foresee its adverse effect on soil health and productivity. A study was undertaken to generate irrigation water quality maps of coconut land cover in Coimbatore and Tiruppur districts of Tamil Nadu, India using geographic information system (GIS). Samples were collected from 110 geo-referenced collection sites. The irrigation water quality was assessed and thematic maps were developed. From the maps it was found that nearly 12 per cent area had poor quality irrigation water with respect to pH. Majority of the samples were safe and only around 10 per cent samples showed salinity hazard. Based on sodium adsorption ratio (SAR) the irrigation water of major area were in fair (53%) and poor (50%) classes. I rrigation water quality in terms of residual sodium carbonate (RSC) in nearly 42 per cent of the coconut land cover was under unsuitable class. The soluble sodium percentage (SSP) based classification showed good quality irrigation water in most of the area (97%). Around 51 per cent of the area was having irrigation water of unsatisfactory quality based on potential salinity. The permeability index (PI) of the irrigation water of 14 per cent area was found to be unsatisfactory
Not Available
 
Date 2019-10-29T09:41:54Z
2019-10-29T09:41:54Z
2014-01-01
 
Type Article
 
Identifier Journal of Plantation Crops, 2014, 42(1): 34-39
2454-8480
http://krishi.icar.gov.in/jspui/handle/123456789/24166
 
Language English
 
Relation Not Available;
 
Publisher Indian Society of Plantation Crops