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Home → Publications → Tree Planters' Notes → Tree Planters' Notes Issue 33 (1958) → Soil Moisture Conditions After Chemically Killing Manzanita Brush in Central Oregon

Soil Moisture Conditions After Chemically Killing Manzanita Brush in Central Oregon

Selective herbicides are being used on an increasing scale to kill undesirable plants in the Pacific Northwest. On Forest lands, chemical control affords one of the most promising means for preparing for reforestation areas now occupied by brush or weeds. 2/ In central Oregon, trials of chemical control in brush fields of a nonsprouting species of manzanita (Arctostaphylos parryana var, pinetorum) have been singularly successful. 3/ Here, the next step is to reestablish a stand of ponderosa pine through planting or seeding. Of immediate interest in this problem of artificial regeneration is the effect of brush control and brush removal on physical site factors. One of the factors most often critical in the establishment of ponderosa pine seedlings -- soil moisture -- was singled out for attention in this exploratory study.


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Author(s): Robert F. Tarrant

Publication: Tree Planters' Notes - Issue 33 (1958)