Early growth tolerances of grasses, shrubs, and trees to boron in tunnel spoil

Parker F. Pratt; Eamor C. Nord; Francis L. Bair

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Early growth tolerances of grasses, shrubs, and trees to boron in tunnel spoil

Informally Refereed

Authors:

Parker F. Pratt, Eamor C. Nord, Francis L. Bair

Year:

1971

Type:

Research Note

Station:

Pacific Southwest Research Station

Source:

Res. Note PSW-RN-232. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p

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Abstract

The effects of boron and salts in spoil material on survival and growth of 44 grass, shrub, and tree species were tested under greenhouse conditions. The spoil used was from the Angeles Tunnel of the California Aqueduct's West Branch now being built. Several species within each plant group apparently can tolerate boron, but field tests will be needed before most of them can be recommended for widespread planting.

Keywords

spoil mounds, soil toxicity, boron, monocotyledons, dicotyledons

Citation

Pratt, Parker F.; Nord, Eamor C.; Bair, Francis L. 1971. Early growth tolerances of grasses, shrubs, and trees to boron in tunnel spoil. Res. Note PSW-RN-232. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p