Tolerance of spring wheat to a salt-fluxing residue containing potassium and magnesium

Journal Article · Wed Jan 01 04:00:00 EST 1986 · Commun. Soil Sci. Plant Anal.; (United States)

DOI:https://doi.org/10.1080/00103628609367794· OSTI ID:6828065

Mahler, R L; Menser, H A; Lutcher, L K

Field and greenhouse studies were conducted in Idaho in 1985 to document the maximum levels of a salt fluxing residue (slag) material that can be safely applied to agricultural soils without reducing spring wheat (Triticum aestivum) growth. The slag material, which contains significant quantities of Mg and K, was applied to Mission (coarse-silty, mixed, frigid Andic Fragiochrepts) and Palouse (fine-silty, mixed, mesic Pachic Ultic Haploxerolls) silt loam soils at rates ranging from 0 to 40,000 kg/ha. Parameters evaluated included: (1) germination, (2) plant vigor, (3) yield, and (4) soil and plant tissue K, Ca and Mg. Under field conditions slag application rates of 4000 and 8000 kg/ha reduced wheat stands and vigor; however, yields were not adversely affected when compared with the control. Application rates in excess of 8000 kg/ha resulted in reduced germination, plant vigor, and yield and are consequently not recommended. Greenhouse studies provided further evidence to substantiate the field results.

• Research Organization: Univ. of Idaho, Moscow
• OSTI ID: 6828065
• Journal Information: Commun. Soil Sci. Plant Anal.; (United States), Journal Name: Commun. Soil Sci. Plant Anal.; (United States) Vol. 17:12; ISSN CSOSA
• Country of Publication: United States
• Language: English

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