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BIBLIOGRAPHY

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  54. HELM, C. A. Corn in Missouri. Mo. Agr. Exp. Sta., Bull. 185. 1921.
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  66. JARVIS, C. D. American varieties of beans. Cornell Univ. Agr. Exp. Sta., Bull. 260.1908.
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  68. JEAN, F. C., and J. E. WEAVER. Root behavior and crop yield under irrigation. Carnegie Inst. Wash., Pub. 357. 1924.
  69. JENSEN, C. A. Relation of inorganic soil colloids to plowsole in citrus groves in southern California. Jour. Agr. Res., 15: 505-519. 1918.
  70. JONES, H. A. Tomatoes for market and canning. Md. Agr. Exp. Sta., Bull. 248. 1922.
  71. JONES, H. A., and W. W. ROBBINS. Growing and handling asparagus crowns. Calif. Agr. Exp. Sta., Bull. 381. 1924.
  72. JONES, L. R. The relation of environment to disease in plants. Am. Jour. Bot., 11: 601-609. 1924.
  73. JONES, L. R., et al. Fusarium. resistant cabbage. Wis. Agr. Exp. Sta., Res. Bull. 48. 1920.
  74. JONES, L. R., and J. C. GILMAN. The control of cabbage yellows through disease resistance. Wis. Agr. Exp. Sta., Res. Bull. 38. 1915.
  75. JONES, L. R., and W. B. TISDALE. Effect of soil temperature upon the development of nodules on the roots of certain legumes. Jour. Agr. Res., 22: 17-31. 1921.
  76. KARTASHOVA, S. The root-system of water-melons, melons and cucurbits. Bull. Appl. Bot. and Plant Breed., 14: 79-87. 1925.
    76a. KAZAKFTVITCH, L. I. Abstract of work done at the sub-station of applied botany, 1924. Saratov. 1925. 1
  77. KEZER, A., and W. G. SACKETT. Beans in Colorado and their diseases. Colo. Agr. Exp. Sta., Bull. 234. 1918.
  78. KIESSELBACH, T. A. Transpiration experiments with the corn plant. Neb. Agr. Exp. Sta., Rept. 23: 125-129. 1910.
  79. KILTZ, B. Root habits of seventeen common Nebraska weeds. 1927. Unpublished thesis, Department of Agronomy, University of Nebraska.
  80. KING, F. H. Natural distribution of roots in field soils. Wis. Agr. Exp. Sta., Rept., 1892: 112; also 1893: 160.
  81. KOEHLER, B., G. H. DUNGAN, and J. R. HOLBERT. Factors influencing lodging in corn. Ill. Agr. Exp. Sta., Bull. 266. 1925.
  82. KRASSOVSKY, 1. Physiological activity of the seminal and nodal roots of crop plants. Soil Science, 21: 307-325. 1926.
  83. KRAUS, C. Das Wurzelsystern der Runkelraben und dessen Beziehungen zur Rilbenkultur. Forschungen auf dem Gebiete der Agrikultur-Physik, 11: 358-406. 1888.
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  85. Ibid. 17: 55-103. 1894.
  86. Ibid. 18: 113-166 1895.
  87. Ibid. 19: 80-129. 1896.
  88. KRAUS, C. Zur Kenntnis der Verbreitung der Wurzeln in Beständen von Rein- und Mischssaten. Fühlings landw. Ztg., 63: 337-362, 369-383, 401-412, May-June, 1914.
  89. KROEMER, K. Beobachtungen fiber die Wurzelentwicklung der Gemüsepflanzen. Landw. Jahrb., 51: 731-745. 1918.
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  91. LLOYD, J. W. Fertilizer experiments with muskmelons. Ill. Agr. Exp. Sta., Bull. 155. 1912.
  92. LLOYD, J. W. How to grow muskmelons. Ill. Agr. Exp. Sta., Circ. 139. 1922.
  93. LLOYD, J. W. Onion culture. Ill. Agr. Exp. Sta., Circ. 173. 1926.
  94. LLOYD, J. W. Some tests in the culture of peppers. Ill. Agr. Exp. Sta., Bull. 274. 1926.
  95. LLOYD, J. W., and 1. S. BROOKS. Growing tomatoes for early market. Ill. Agr. Exp. Sta., Bull. 144. 1910.
  96. LÖHNIS, F., and R. HANSEN. Nodule bacteria of leguminous plants. Jour. Agr. Res., 20: 543-557. 1921.
  97. Loomis, W. E. Studies in the transplanting of vegetable plants. Cornell Univ. Agr. Exp. Sta., Mem. 87. 1925.
  98. LYON, T. L. Experiments with corn. Neb. Agr. Exp. Sta., Bull. 91. 1905.
  99. McCUE, C. A., and W. C. PELTON. Tomatoes for the canning factory. Del. Agr. Exp. Sta., Bull. 101. 1913.
  100. McGINTY R. A. The home vegetable garden. Colo. Agr. Exp. Sta., Bull. 276. 1922.
  101. McGINTY, R. A. High altitude vegetable growing. Colo. Agr. Exp. Sta., Bull. 309. 1926.
  102. MARBUT, C. F. Soils of the Great Plains. Ann. Assoc. Am. Geog., 13: 41-66. 1923.
  103. MAXIMOW, N. A., and E. LEBEDINCEV. Über den Einfluss von Beleuchtungsverhäklttnissen auf die Entwickelung des Wurzelsystems. Ber. Deutsch. bot. Ges., 41: 292-297. 1923.
  104. MILLAR, C. E. Hill fertilization of corn. Mich. Agr. Exp. Sta., Quart. Bull. 5: 69-73. 1922.
  105. MILLER, E. C. Comparative study of the root systems and leaf areas of corn and the sorghums. Jour. Agr. Res., 6: 311-332. 1916.
  106. MILLS, H. S., and L. J. NORTON. Growing peas for the canning factory. N. Y. State Col. Agr. at Cornell Univ., Ext. Bull. 95. 1924.
  107. MONTGOMERY, E. G. The corn crops. p. 179. 1913.
  108. MORSE, F. W. A chemical study of the asparagus plant. Mass. Agr. Exp. Sta., Bull. 171. 1916.
  109. MOSIER, J. G., and A. F. GUSTAFSON. Soil moisture and tillage for corn. Ill. Agr. Exp. Sta., Bull. 181. 1915.
  110. MYERS, C. E. Experiments with cabbage. Pa. Agr. Exp. Sta., Bull. 137. 1916.
  111. NEWMAN, C. L. Sweet potato experiments. Ark. Agr. Exp. Sta., Bull. 72. 1902.
  112. NOYES, H. A., J. F. TROST, and L. YODER. Root variations induced by carbon dioxide gas additions to soil. Bot. Gaz., 66: 364-373. 1918,
  113. NOYES, H. A., and T. H. WEGHORST. Residual effects of carbon dioxide gas additions to soil on roots of Lactuca sativa. Bot. Gaz., 69: 332-336. 1920.
  114. OSKAMP, J. Strawberry varieties and cultural hints. Ind. Agr. Exp. Sta., Bull. 200. 1917.
  115. PACK, D. A. Time of year to plant mother beets for seed production. Jour. Agr. Res., 30: 811-818. 1925.
  116. QUINN, J. T. Tomato culture in Missouri. Mo. Agr. Exp. Sta., Bull. 212. 1924.
  117. RICKS, J. R. Corn. Miss. Agr. Exp. Sta., Bull. 170. 1915.
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  120. ROSA, J. T. Better methods of tomato production. Mo. Agr. Exp. Sta., Bull. 194. 1922.
  121. ROSA, J. T. Tomato production in California. Calif. Agr. Exp. Sta., Circ. 263. 1923.
  122. ROSA, J. T. Sweet potato production in California. Calif. Agr. Exp. Sta., Circ. 285. 1925.
  123. ROTMISTROV, V. The distribution of the roots of some annual cultivated plants. Zhurnal opuitnoi agronomii, 8: 511-533; 667-705. 1907.
  124. Ibid. 9: 1-24. 1908.
  125. ROTMISTROV, V. Root system of cultivated plants of one year's growth. Odessa. 1909.
  126. ROTMISTROV, V. The nature of drought according to the evidence of the Odessa Experiment Field. Odessa. 1913.
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  128. RUSSELL, E. J. Plant nutrition and crop production. p. 45. University of California Press, Berkeley. 1926.
  129. RUSSELL, E. J., and F. R. PETHERBRIDGE. On the growth of plants in partially sterilized soils. Jour. Agr. Sci., 5: 248-287. 1913.
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  131. SAHUT, F. De Finfluence directe du sujec; sur le greffon. Rev. Hort., 57: 305-309. 1885.
  132. SCHERMERHORN, L. G. Sweet potato studies in New Jersey. N. J. Agr. Exp. Sta., Bull. 398. 1924.
  133. SCHULZE, B. Studien über die Bewurzelung unserer Kulturpflanzen. Festschrift 50, Jubiläum Agr. Chem. Versuchs- u. Kontrollstat., Breslau, pp. 67-95. 1906.
  134. SCHULZE, B. Wurzelatlas. Berlin, vol. 1, 1911; vol. 2, 1914.
  135. SEWELL, M. C. Tillage: a review of the literature. Jour. Am. Soc. Agron., 11: 269--290. 1919.
  136. SEWELL , M. C. Effect of Andropogon sorghum on succeeding crops of Triticum sativum vulgare. Bot. Gaz., 75: 1-26. 1923.
  137. SHAW, G. W., and M. E. SHERWIN. The production of the lima bean: the need and possibility of its improvement. Calif. Agr. Exp. Sta., Bull. 224. 1911.
  138. SIDERIS, C. P. Observations on the development of the root system of Allium cepa L. Am. Jour. Bot., 12: 255--258. 1925.
  139. SMITH, O. Steam sterilization of greenhouse soil and its effect upon the root system of the tomato. A thesis. Dept. Horticulture, Iowa State College. 1924.
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  141. SMITH, L. H., and E. H. WALWORTH. Seminal root development in corn in relation to vigor of early growth and yield of crop. Jour. Am. Soc. Agron., 18: 1113-1120. 1926.
  142. SORAUER, P. Manual of plant diseases. 3d ed., translated by F. Dorrance, 1: 841. 1920.
  143. STARNES, H. N. Sweet potatoes. Ga. Exp. Sta., Bull. 25. 1894.
  144. STEWART, G. Field beans. Utah Agr. Exp. Sta., Circ. 37. 1919.
  145. STUCKEY, H. P. Tomatoes. Ga. Exp. Sta., Bull. 112. 1915.
  146. STUCKEY, H. P. Watermelons. Ga. Exp. Sta., Bull. 143. 1924.
  147. TALBERT, T. J. Missouri strawberries. Mo. Agr. Exp. Sta., Bull. 242. 1926.
  148. TANSLEY, A. G., and T. F. CHIPP. Classification of mature soils according to climatic soil types. In "Aims and Methods in the Study of Vegetation," pp. 131-135. Published by The British Empire Vegetation Committee and The Crown Agents for the Colonies, 4. Millbank, Westminster, S. W., London. 1926.
  149. TEN EYCK, A. M. A study of the root systems of cultivated plants grown as farm crops. N. D. Agr. Exp. Sta., Bull. 43. 1900.
  150. THOMPSON, H. C. Strawberry growing in the south. U. S. Dept. Agr. Farmers' Bull. 664. 1915.
  151. THOMPSON, H. C. Asparagus. U. S. Dept. Agr., Farmers' Bull. 829. 1917.
  152. THOMPSON, H. C. Effects of cultivation on soil moisture and on yields of certain vegetables. Proc. Am. Soc. Hort. Sci., 1920, 17: 155-161. 1921.
  153. Thompson, H. C. Vegetable crops. p. 99. McGraw-Hill Book Company, Inc., New York. 1923.
  154. Ibid. p. 135.
  155. Ibid. p. 253.
  156. Ibid. p. 310.
  157. Ibid. p. 378.
  158. THOMPSON, H. C. Experimental studies of the effects of cultivation on certain vegetable crops. Proc. Am. Soc. Hort. Sci., 1924, 21: 108-115. 1925.
  159. THOMPSON, H. C. Results of sweet-corn suckering experiments. Cornell Univ. Agr. Exp. Sta., Bull. 450.1926.
    159a. THOMPSON, H. C. Experimental studies of cultivation of certain vegetable crops. Cornell Univ. Agr Exp. Sta., Mem. 107. 1927. In press.
  160. Toumey, J., W. Initial root habit in American trees and its bearing on regeneration. Address at the Fourth International Botanical Congress at Cornell University, Ithaca, N. Y., Aug. 17, 1926. Unpublished.
  161. TOUMEY, J. W., and E. J. NEETHLING. Insolation a factor in the natural regeneration of certain conifers. Yale Univ. School Forest., Bull. 11. 1924.
  162. TRACY, W. W. American varieties of lettuce. U. S. Bur. Plant Ind., Bull. 69. 1904.
  163. TROMMER, M. Untersuchungen über den Einfluss der mechanischen Bodenbeschaffenheit auf das Wachstum der Wurzeln. Landw. Jahrb. Bayern, 10: 163-219. 1920.
  164. TUCKER, M., and C. VON SEELHORST. Der Einfluss der Wassergehalt und der Reichtum des Bodens auf die Ausbildung. der Wurzeln und der oberiridischen Organe der Haferpflanze ausüben. Jour. Landw., 46: 52-63. 1898.
  165. VOROB'EV, S. I. On the study of the root systems of cereals and forage plants. Selsk. Khoz. Liesov., 251: 477. 1916.
  166. WATERS, H. J. Field experiments with corn. Mo. Agr. Exp. Sta., Bull. 14: 19. 1891.
  167. WEAVER, J. E. The ecological relations of roots. Carnegie Inst. Wash., Pub. 286. 1919.
  168. WEAVER, J. E. Root development in the grassland formation, a correlation of the root systems of native vegetation and crop plants. Carnegie Inst. Wash., Pub. 292. 1920.
  169. WEAVER, J.E. Investigations on the root habits of plants. Am. Jour. Bot., 12: 502-509. 1925.
  170. WEAVER, J. E. Relation of soil temperature to disease in plants. In "Root Development of Field Crops," pp. 26-28. McGraw-Hill Book Company, Inc., New York. 1926.
  171. Ibid. Correlation between root and shoot development. pp. 73-75.
  172. Ibid. Grass roots in relation to soil structure and productivity. pp. 204-205.
  173. Ibid. Variations in root habit under competition. pp. 249-252.
  174. WEAVER, J. E., F. C. JEAN, and J. W. CRIST. Development and activities of roots of crop plants, a study in crop ecology. Carnegie Inst. Wash., Pub. 316. 1922.
  175. WERNER, H. O. Tomatoes for North Dakota. N. D. Agr. Exp. Sta., Bull. 111. 1915.
  176. WICKS, W. H. Tomato culture in Idaho. Idaho Agr. Exp. Sta., Bull. 76. 1913.
  177. WiCKS, W. H. Strawberry growing in Arkansas. Ark. Agr. Exp. Sta., Bull. 122. 1915.
  178. WICKS, W. H. Sweet potato culture in Arkansas, Ark. Agr. Exp. Sta., Bull. 124.1915.
  179. WILLIAMS, C. G., and F. A. WELTON. Corn experiments. Ohio Agr. Exp. Sta., Bull. 282. 1915.
  180. WILSON, J. K. Physiological studies of Bacillus radicicola of soybean (Soja max Piper) and of factors influencing nodule production. Cornell Univ. Agr. Exp. Sta., Bull. 386. 1917.
  181. WIMMER, D. C., and M. B. HARLAND. The, cultivation of corn, weed control vs. moisture conservation. Ill. Agr. Exp. Sta., Bull. 259. 1925.
  182. YEAGER, A. F. Onion growing in North Dakota. N. D. Agr. Exp. Sta., Bull. 173.1924.

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