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evan l flory
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Preliminary notes on important vegetative species of Region 8
Evan L. Flory · United States. Soil Conservation Service. Region 8
16 sayfa · 1938
Vegetation surveys / Plant-soil relationships
Observation of plant competition, plant succession, plant-soil relationships, overgrazing and erosion on sagebrush areas
Evan L. Flory · United States. Soil Conservation Service. Region 8
28 sayfa · 1938
Soil conservation / Sagebrush
Soil and water conservation and plant-soil relationships in the southwest
Evan L. Flory · U.S. Dept.of Agriculture, Soil Conservation Service, Region Eight
14 sayfa · 1937
Soil conservation / Water conservation