. [Bulletins on forest pathology : from Bulletin , Washington, , 1913-1925]. Trees; Plant diseases. 6 BULLETIN 658, U. S. DEPARTMENT OF AGRICULTURE. surveyed, and along with careful notes of the estimator upon the diseased areas and upon data secured by means of a few small sample. Fig. 5.—Polyporus schweinitzii, the velvet-top fungus. plats a very close estimate of the cull percentage to be ex- pected can be had. Checks can be made upon the estimator's work by the expert cruiser. Members of the Office of In- vestigations in For- est Pathology can render excellent service by aiding
. [Bulletins on forest pathology : from Bulletin , Washington, , 1913-1925]. Trees; Plant diseases. 6 BULLETIN 658, U. S. DEPARTMENT OF AGRICULTURE. surveyed, and along with careful notes of the estimator upon the diseased areas and upon data secured by means of a few small sample. Fig. 5.—Polyporus schweinitzii, the velvet-top fungus. plats a very close estimate of the cull percentage to be ex- pected can be had. Checks can be made upon the estimator's work by the expert cruiser. Members of the Office of In- vestigations in For- est Pathology can render excellent service by aiding each unit crew in the field in becom- ing familiar with the various diseases and their causes. If properly ad- Fig. 6.—Typical rot of the velvet-top fungus in the end of a justed, this work. 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 United States. Dept. of Agriculture. [Washington : U. S. Dept. of Agriculture]
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashi, bookyear1913
