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Amelioration of vertisols with sand for management of soil physical chemical and hydraulic properties in south India.

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Title Amelioration of vertisols with sand for management of soil physical chemical and hydraulic properties in south India.
Amelioration of vertisols with sand for management of soil physical chemical and hydraulic properties in south India.
 
Creator ICAR_CRIDA
 
Subject Sand application, Soil management, Hydraulic conductivity, Soil moisture, Linear scoring
 
Description Not Available
Sand can be used for increasing water intake capacity and reduce dispersion
ratio in a Vertisol. A study was conducted at Bellary, India with amended soil
with 12 sand and soil mixtures ranging from 0:1 to 1:1 ratio on weight basis. The
analysis indicated significant decrease of available water; plastic and liquid
limits; dispersion ratio; available N, P and K; and increase in bulk density with
increase of sand in mixture. The increase in hydraulic conductivity was below
1.0 cm/hr upto 0.4:1 ratio and increased significantly to 3.63 cm/hr with
increase in sand. The changes were assessed based on a regression model of soil
and sand ratios. Each parameter was assessed using weighted scores based on
linear scoring method. The sum of scores indicated that 0.4:1 of sand and soil
was superior for different parameters. The ratio was also superior for retaining
soil moisture for a longer period inVertisols.
Not Available
 
Date 2020-02-25T06:46:14Z
2020-02-25T06:46:14Z
2012
 
Type Technical Report
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/32668
 
Language English
 
Relation Not Available;
 
Publisher Mishra PK, Maruthi Sankar GR