Salt index

From PLANTFACTS.OSU.EDU
Revision as of 16:58, 6 August 2007 by Eeberlin (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search


1. Used to measure the effect of fertilizers on soil solution, and is expressed as a ratio of increase in osmotic pressure produced by a material to that produced by the same weight of sodium nitrate.

solubility.gif

An example of a salt index from Ultra Gro Plant Foods.
Source: http://www.ultragroplantfood.com/saltindex.htm

zslide53.jpg

A listing of some common fertilizer sources and their salt index values.
Source: http://www.hort.cornell.edu/department/faculty/good/growon/salt.html