. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OP AGRICULTURE BULLETIN No. 1105 Washington, D. C. T April 27,1923 NATURAL REPRODUCTION OF WESTERN YELLOW PINE IN THE SOUTHWEST By G. A. PEARSON, SUviculturist Fort Valley Forest Experiment Station Forest Service CONTENTS Page. Purpose of Study 1 ReTiew of PreTiooa InTestigations 2 Recent Developments in the Stadf 4 Factors Inflaenciiig Reprodnctioo 9 Seed Supply 9 Climate 22 Sofl 29 Herbaceous Yegetatlon 38 Cutting 56 Brush Disposal 92 Grazing 115 Miscellaneous Enemies 133 Summary 135 Literatu
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OP AGRICULTURE BULLETIN No. 1105 Washington, D. C. T April 27,1923 NATURAL REPRODUCTION OF WESTERN YELLOW PINE IN THE SOUTHWEST By G. A. PEARSON, SUviculturist Fort Valley Forest Experiment Station Forest Service CONTENTS Page. Purpose of Study 1 ReTiew of PreTiooa InTestigations 2 Recent Developments in the Stadf 4 Factors Inflaenciiig Reprodnctioo 9 Seed Supply 9 Climate 22 Sofl 29 Herbaceous Yegetatlon 38 Cutting 56 Brush Disposal 92 Grazing 115 Miscellaneous Enemies 133 Summary 135 Literature Cited 142. WASHINGTON GOVERNMENT PRINTING OFFICE 1923. 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, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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