Soil Organics
Date
1974-09
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Abstract
Description
This work was conducted to collect information on and advance understanding of problems
involved in spray-irrigation of soils. Fulvic and humic acids were considered, especially with
respect to their complexing capacities for heavy metal ions. Their complex equilibria and complex
stability constants were considered in some detail from a fundamental point of view. Their characteristics
from the point of view of polymer physical chemistry were also treated. In addition, information
concerning organic materials in wastewater was obtained. This report presents the results of
this study. It also contains a number of suggestions concerning the method of spray-irrigation of
soils, and points out future research areas relevant to this method. Finally, the effects of water
bound in soils and on macromolecules (polyelectrolytes) are briefly dealt with.
Keywords
Soil Organics, Heavy Metals, Bound Water, Complexation