Soil Science Society of America JournalVolume 15, Issue C p. 222-229 Section IV—Soil Fertility Some Factors Affecting the Absorption of Chlorine by Tobacco† H. M. Reisenauer, H. M. ReisenauerSearch for more papers by this authorW. E. Colwell, W. E. Colwell Formerly Graduate Fellow, N. C. State College, now Assistant Professor of Agronomy, Washington State College and Head of Department of Agronomy, N. C. State College, respectively.Search for more papers by this author H. M. Reisenauer, H. M. ReisenauerSearch for more papers by this authorW. E. Colwell, W. E. Colwell Formerly Graduate Fellow, N. C. State College, now Assistant Professor of Agronomy, Washington State College and Head of Department of Agronomy, N. C. State College, respectively.Search for more papers by this author First published: 01 January 1951 https://doi.org/10.2136/sssaj1951.036159950015000C0050xCitations: 6 ‡ Contribution from the Department of Agronomy, North Carolina Agricultural Experiment Station, Raleigh, N. C. Published with the approval of the Director of Research as Paper No. 360 of the Journal Series. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Citing Literature Volume15, IssueC1951Pages 222-229 RelatedInformation

Soil Science Society of America JournalVolume 13, Issue C p. 385-387 Article Sugar and Nicotine in Cured Bright Tobacco as Related to Mineral Element Composition† W. G. Woltz, W. G. WoltzSearch for more papers by this authorW. A. Reid, W. A. ReidSearch for more papers by this authorW. E. Colwell, W. E. Colwell Associate Professors and Head, respectively.Search for more papers by this author W. G. Woltz, W. G. WoltzSearch for more papers by this authorW. A. Reid, W. A. ReidSearch for more papers by this authorW. E. Colwell, W. E. Colwell Associate Professors and Head, respectively.Search for more papers by this author First published: 01 January 1949 https://doi.org/10.2136/sssaj1949.036159950013000C0069xCitations: 10 ‡ Contribution from the Department of Agronomy, North Carolina Agricultural Experiment Station, Raleigh, N. C. Published with the approval of the Director of the North Carolina Experiment Station as Paper No. 295 of the Journal Series. Statistical analyses of the data were performed by E. J. Koch of the Institute of Statistics. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article.Citing Literature Volume13, IssueC1949Pages 385-387 RelatedInformation

Agronomy JournalVolume 40, Issue 2 p. 155-167 Article The Effect of Certain Mineral Elements on Peanut Fruit Filling1 N. C. Brady, N. C. BradySearch for more papers by this authorJ. F. Reed, J. F. ReedSearch for more papers by this authorW. E. Colwell, W. E. Colwell Research Assistant Professor and Research Professors, respectively.Search for more papers by this author N. C. Brady, N. C. BradySearch for more papers by this authorJ. F. Reed, J. F. ReedSearch for more papers by this authorW. E. Colwell, W. E. Colwell Research Assistant Professor and Research Professors, respectively.Search for more papers by this author First published: 01 February 1948 https://doi.org/10.2134/agronj1948.00021962004000020006xCitations: 12 1 Contribution from the Agronomy Department, North Carolina Agricultural Experiment Station, Raleigh, N. C. Published with approval of the Director as paper No. 269 of the Journal series. Part of a thesis submitted by the senior author in partial fulfillment of the requirements for the degree of Doctor of Philosophy, North Carolina State College. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Citing Literature Volume40, Issue2February 1948Pages 155-167 RelatedInformation

is the most important single crop in Mexico. V^« For the 5-year period of 1940-44, 55% of the arable land was devoted to it (a). In value, the corn produced in Mexico is approximately equal to that of the following ten crops combined: Wheat, beans, potatoes, sweet potatoes, rice chili, chickpeas, peanuts, barley, and alfalfa. For the 5-year period of 1939-43, its value was more than that of cotton and sugar cane combined (2). But "far more important than its monetary value is the role it plays in the nutrition of the people. It is the basic food crop for nearly 20 million people, who, from it, prepare a wide variety of dishes, such as tortilla, atole, pozole, tamales, and elotes cocidos. Each year a tremendous amount of energy goes into producing Mexico's 8% million acres of corn. In spite of this, however, Mexico is on an import basis, -for the average 'yield is only 9.6 bushels per acre (i, 2). To raise the corn yield of Mexico is to raise the level of nutrition of these 20 million people whose well-being depends quite largely upon the season's corn crop. Wheat is also of major importance as a food crop. Since Mexico imports roughly 30% of the total consumed in the Republic (around 190,000 tons annually), any program designed to raise the level of production of this crop might well be expected to affect not only the diets of some 20 million people but also the national economy as. well. For the 5-year period 1940-44, Mexico spent, for the purpose of importing wheat, an amount of money greater than the value of all Mexican-grown beans, one of the . crops for which she is world famous (i, 2). Wheat is almost entirely an irrigated crop. Relatively speaking cultural practices are poorer than they are for corn. Well-planned crop rotations and commercial fertilizer are the exception. Average yields are very low. In an attempt to develop practical methods useful in raising the level of corn and of wheat production in Mexico, the Secretary of Agriculture of that Republic, in an agricultural research program supported in part by the Rockefeller Foundation, is devoting special attention to these crops. Among the aspects receiving study in the general program are the problems of soil fertility. The present report is concerned with this phase of the corn and wheat improvement programs. In it are presented the first year's results from, the use of commercial .nitrogen, phosphorus, and potassium in field experiments. The study, was based on certain established and wellknown facts pertaining to the problems of corn and wheat fertilization already worked out by other investigators, and its objective was that of studying the application of these principles to Mexican agriculture rather than that of studying fertilization of those crops per se. Experiments were conducted in cooperation with private farmers and on government lands under the control >of the Secretary of Agriculture during the 1944-45 season. The techniques employed, as well as the results obtained, are discussed in subsequent sections of this paper.

Soil Science Society of America JournalVolume 10, Issue C p. 224-229 Miscellaneous Paper Fruit Development, Seed Quality, Chemical Composition, and Yield of Soybeans as Affected by Potassium and Magnesium† W. L. Nelson, W. L. NelsonSearch for more papers by this authorL. Burkhart, L. BurkhartSearch for more papers by this authorW. E. Colwell, W. E. Colwell Research Associate Professor of Agronomy, Assistant Professor of Agronomy, and Research Professor of Agronomy. The authors are indebted to the Department of Experimental Statistics for the statistical analyses and to E. E. Hartwig and J. A. Rigney for assistance in conducting the experiment.Search for more papers by this author W. L. Nelson, W. L. NelsonSearch for more papers by this authorL. Burkhart, L. BurkhartSearch for more papers by this authorW. E. Colwell, W. E. Colwell Research Associate Professor of Agronomy, Assistant Professor of Agronomy, and Research Professor of Agronomy. The authors are indebted to the Department of Experimental Statistics for the statistical analyses and to E. E. Hartwig and J. A. Rigney for assistance in conducting the experiment.Search for more papers by this author First published: 01 January 1946 https://doi.org/10.2136/sssaj1946.03615995001000C00037xCitations: 19 ‡ Contribution from the Department of Agronomy, North Carolina Agricultural Experiment Station, Raleigh, N. C. Published with the approval of the Director as Paper No. 234 of the Journal Series. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Citing Literature Volume10, IssueC1946Pages 224-229 RelatedInformation

Agronomy JournalVolume 37, Issue 6 p. 429-442 Article Yield and Quality of Large-Seeded Type Peanuts as Affected by Potassium and Certain Combinations of Potassium, Magnesium, and Calcium1 N. C. Brady, N. C. BradySearch for more papers by this authorW. E. Colwell, W. E. Colwell Assistant in Agronomy and Associate Agronomist, respectively.Search for more papers by this author N. C. Brady, N. C. BradySearch for more papers by this authorW. E. Colwell, W. E. Colwell Assistant in Agronomy and Associate Agronomist, respectively.Search for more papers by this author First published: 01 June 1945 https://doi.org/10.2134/agronj1945.00021962003700060002xCitations: 9 1 Contribution from the Department of Agronomy, North Carolina Agricultural Experiment Station, Raleigh, N. C. Published with the approval of the Director as Paper No. 203 of the Journal Series. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Citing Literature Volume37, Issue6June 1945Pages 429-442 RelatedInformation

Agronomy JournalVolume 37, Issue 10 p. 792-805 Article Composition of Peanut Shells of Filled and Unfilled Fruits as Affected by Fertilizer Treatments1 W. E. Colwell, W. E. ColwellSearch for more papers by this authorN. C. Brady, N. C. BradySearch for more papers by this authorJ. R. Piland, J. R. Piland Associate Agronomist, Assistant in Agronomy, and Associate Soil Chemist, respectively.Search for more papers by this author W. E. Colwell, W. E. ColwellSearch for more papers by this authorN. C. Brady, N. C. BradySearch for more papers by this authorJ. R. Piland, J. R. Piland Associate Agronomist, Assistant in Agronomy, and Associate Soil Chemist, respectively.Search for more papers by this author First published: 01 October 1945 https://doi.org/10.2134/agronj1945.00021962003700100002xCitations: 8 1 Contribution from the Department of Agronomy, North Carolina Agricultural Experiment Station, Raleigh, N. C. Published with the approval of the Director as Paper No. 211 of the Journal Series. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Citing Literature Volume37, Issue10October 1945Pages 792-805 RelatedInformation

Agronomy JournalVolume 37, Issue 6 p. 413-428 Article The Effect of Calcium on Yield and Quality of Large-Seeded Type Peanuts1 W. E. Colwell, W. E. ColwellSearch for more papers by this authorN. C. Brady, N. C. Brady Associate Agronomist and Assistant in Agronomy, respectively. For the statistical analyses the authors are indebted to the Department of Experimental Statistics.Search for more papers by this author W. E. Colwell, W. E. ColwellSearch for more papers by this authorN. C. Brady, N. C. Brady Associate Agronomist and Assistant in Agronomy, respectively. For the statistical analyses the authors are indebted to the Department of Experimental Statistics.Search for more papers by this author First published: 01 June 1945 https://doi.org/10.2134/agronj1945.00021962003700060001xCitations: 27 1 Contribution from the Department of Agronomy, North Carolina Agricultural Experiment Station, Raleigh, N. C. Published with the approval of the Director as Paper No. 202 of the Journal Series. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Citing Literature Volume37, Issue6June 1945Pages 413-428 RelatedInformation

Agronomy JournalVolume 37, Issue 9 p. 696-708 Article The Effect of Calcium on Certain Characteristics of Peanut Fruit1 W. E. Colwell, W. E. ColwellSearch for more papers by this authorN. C. Brady, N. C. Brady Associate Agronomist and Assistant in Agronomy, respectively.Search for more papers by this author W. E. Colwell, W. E. ColwellSearch for more papers by this authorN. C. Brady, N. C. Brady Associate Agronomist and Assistant in Agronomy, respectively.Search for more papers by this author First published: 01 September 1945 https://doi.org/10.2134/agronj1945.00021962003700090003xCitations: 11 1 Contribution from the Department of Agronomy, North Carolina Agricultural Experiment Station, Raleigh, N. C. Published with the approval of the Director as Paper No. 210 of the Journal Series. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Citing Literature Volume37, Issue9September 1945Pages 696-708 RelatedInformation

Agronomy JournalVolume 37, Issue 6 p. 443-457 Article The Behavior of Four Varieties of Peanuts as Affected by Calcium and Potassium Variables1 G. K. Middleton, G. K. MiddletonSearch for more papers by this authorW. E. Colwell, W. E. ColwellSearch for more papers by this authorN. C. Brady, N. C. BradySearch for more papers by this authorE. F. Schultz Jr., E. F. Schultz Jr. Associate Agronomist (in charge, peanut breeding investigations), Associate Agronomist (in charge, peanut soil fertility investigations), and Assistants in Agronomy, respectively.Search for more papers by this author G. K. Middleton, G. K. MiddletonSearch for more papers by this authorW. E. Colwell, W. E. ColwellSearch for more papers by this authorN. C. Brady, N. C. BradySearch for more papers by this authorE. F. Schultz Jr., E. F. Schultz Jr. Associate Agronomist (in charge, peanut breeding investigations), Associate Agronomist (in charge, peanut soil fertility investigations), and Assistants in Agronomy, respectively.Search for more papers by this author First published: 01 June 1945 https://doi.org/10.2134/agronj1945.00021962003700060003xCitations: 9 1 Contribution from the Department of Agronomy, North Carolina Agricultural Experiment Station, Raleigh, N. C. Published with the approval of the Director as Paper No. 204 of the Journal Series. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Citing Literature Volume37, Issue6June 1945Pages 443-457 RelatedInformation

Soil Science Society of America JournalVolume 8, Issue C p. 179-184 Soil Chemistry in Relation to Plant Growth Influence of Nature of Soil Colloids and Degree of Base Saturation on Growth and Nutrient Uptake by Cotton and Soybeans† A. Mehlich, A. MehlichSearch for more papers by this authorW. E. Colwell, W. E. Colwell Associate Agronomists.Search for more papers by this author A. Mehlich, A. MehlichSearch for more papers by this authorW. E. Colwell, W. E. Colwell Associate Agronomists.Search for more papers by this author First published: 01 January 1944 https://doi.org/10.2136/sssaj1944.036159950008000C0032xCitations: 9 ‡ Contribution from the Department of Agronomy, North Carolina Agricultural Experiment Station, Raleigh, N. C. Published with the approval of the Director as paper No. 177 of the Journal series. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Citing Literature Volume8, IssueC1944Pages 179-184 RelatedInformation

Agronomy JournalVolume 34, Issue 5 p. 495-498 Article A Comparison of Boron Deficiency Symptoms and Potato Leafhopper Injury on Alfalfa1 W. E. Colwell, W. E. ColwellSearch for more papers by this authorCharles Lincoln, Charles Lincoln Research Fellow in Soils and Assistant Professor of Entomology, respectively. The senior author wishes to express his appreciation to the American Potash Institute, Inc., for providing the fellowship which made possible his participation in this study. Both authors gratefully acknowledge the Institute's additional assistance in supplementing college funds for the colored plate.Search for more papers by this author W. E. Colwell, W. E. ColwellSearch for more papers by this authorCharles Lincoln, Charles Lincoln Research Fellow in Soils and Assistant Professor of Entomology, respectively. The senior author wishes to express his appreciation to the American Potash Institute, Inc., for providing the fellowship which made possible his participation in this study. Both authors gratefully acknowledge the Institute's additional assistance in supplementing college funds for the colored plate.Search for more papers by this author First published: 01 May 1942 https://doi.org/10.2134/agronj1942.00021962003400050010xCitations: 1 1 Joint contribution from the Departments of Agronomy and Entomology, Cornell University, Ithaca, N. Y. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Citing Literature Volume34, Issue5May 1942Pages 495-498 RelatedInformation