. Self-fertility of a central Oregon source of Ponderosa pine. Fertilization of plants; Ponderosa pine Reproduction. tjrve 1970 USDA FOREST SERVICE RESEARCH PAPER PNW-109 mm i i i i i i i i i i i i i i i i i 11 i i i i i i i i i i i i i i i i i i i i i i i i i i i i i 11 i ip i i i iji]r|i^r|, i in 11 ii i i ,i; I I i i i i i ! i lj i I i ! t i i. iii iii iii iii ii Mftf SELF-FERTILITY OF A CENTRAL )REGON SOURCE OF PONDEROSA PINE FRANK C, SORENSEN. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appeara
. Self-fertility of a central Oregon source of Ponderosa pine. Fertilization of plants; Ponderosa pine Reproduction. tjrve 1970 USDA FOREST SERVICE RESEARCH PAPER PNW-109 mm i i i i i i i i i i i i i i i i i 11 i i i i i i i i i i i i i i i i i i i i i i i i i i i i i 11 i ip i i i iji]r|i^r|, i in 11 ii i i ,i; I I i i i i i ! i lj i I i ! t i i. iii iii iii iii ii Mftf SELF-FERTILITY OF A CENTRAL )REGON SOURCE OF PONDEROSA PINE FRANK C, SORENSEN. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sorensen, Frank C. Portland, Or. : Pacific Northwest Forest and Range Experiment Station, U. S. Dept. of Agriculture, Forest Service
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Keywords: ., bookcentury1900, bookcollectio, booksubjectfertilizationofplants
