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Soil has a volume: Volumetric versus gravimetric expression of soil nutrient contents in understanding soil-plant interrelationships

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Title Soil has a volume: Volumetric versus gravimetric expression of soil nutrient contents in understanding soil-plant interrelationships
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Creator Nageswara Rao DVK
 
Subject Soil, Gravel, Clay, Silt and Sand
 
Description Not Available
Soil is a three-dimensional natural growth medium supporting plants, with variable proportions of solid, liquid, and gaseous phases. The inorganic solid phase consists of fine earth (
2 mm), and even larger fractions. The higher surface area of fine
earth, consisting of clay, silt, and sand influences soil fertility, and the increased content of
fine earth makes the soil more fertile. However, depending on the conditions of soil development, part of the soil volume is occupied by gravel, a non-soil material (Rao and Jessy, 2007).
Gravel is the term used to denote soil particles of size ranging from 2 to 75 mm along the greatest diameter (Brady, 2000). Gravel dilutes soil volume and depending on the conditions of
soil development, gravel content varies causing variation in the exploitable soil volume (Rao
and Vijayakumar, 2011). It may be noted that the proportions of fine earth and coarse fragments are inversely related and the quantity of available nutrients decreases with an increase
in coarse fragments content as only fine earth contributes to nutrient availability (Brady and
Weil, 2007). Hence it is required to consider the agronomic impact of coarse fragments and
the importance of change in expression of soil nutrients to refine data collection and analysis
as well.
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Date 2022-04-02T14:19:44Z
2022-04-02T14:19:44Z
2021-07-01
 
Type News Letter
 
Identifier Dvk, N.R. (2021). Soil has a volume: Volumetric versus gravimetric expression of soil nutrient contents in understanding soil-plant interrelationships. Academia Letters, Article 1736.
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http://krishi.icar.gov.in/jspui/handle/123456789/71154
 
Language English
 
Relation Not Available;
 
Publisher Not Available