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Home Nutrient release from Mount St. Helens volcanic ash and retention by western Montana soil

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Nutrient release from Mount St. Helens volcanic ash and retention by western Montana soil

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Title	Nutrient release from Mount St. Helens volcanic ash and retention by western Montana soil
Creator	Stark, Nellie, 1933-
Contributor	Essig, Don A. ; <br>Intermountain Forest and Range Experiment Station (Ogden, Utah)
Description	Three western Montana soils of varying fertility and physical characteristics were placed in large tubes, covered by different depths of volcanic ash from Mount St. Helens eruption to test the release of ions from ash and ion storage or loss from the soil. The ion concentration differences between water added and water lost from the soil were used to show net ion storage or loss from the soil. Lettuce and conifer seedlings were grown in the leached soils to estimate the influence of ash on growth. The three soils responded to ion additions differently. Ash improved lettuce growth for only the calcareous soil. Of the four conifers tested, only ponderosa pine seedlings on the poorest soil showed improved growth with ash the first year. Most growth differences were not significant.
Publisher	Ogden, UT : U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1985.
Subject	Andosols -- Washington (State) -- Saint Helens, Mount. ; <br> Saint Helens, Mount (Wash.)
Relation	[IsPartOf]Research paper INT ; 338
Source	A 13.78:INT-338
Date Original	1985-04-01
Date Digital	2007;
Type	text
Format	application/pdf
Resource Identifier	mtg002233
Contributing Institution	The University of Montana
Language	en
Digitization Specifications	Scanned by Lacey Gibbons using an OpticBook 3600 scanner at 400 dpi, 8 bit gray scale. Master images stored as TIFF and derivatives presented as PDF. Abbey FineReader 8.0 used for optical character recognition.

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