Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 July 1964
Published in Agron J 56:381-386 (1964)
© 1964 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Greenhouse Evaluation of the Relative Importance of Lime and Potassium for the Establishment and Maintenance of Alfalfa and Orchardgrass Seedlings1

L. B. MacLeod and Richard Bradfield2

Synopsis: Seedling weight, dry matter yield and root weight of alfalfa plants seeded in small plugs of limed (pH=7.0) soil in an acid soil medium (pH=4.8) were significantly greater than when seeded directly in acid soils or in plugs of unlimed soil, but yields were significantly lower than where all the soil in a pot was limed to a pH of 5.6. A soil pH of 5.9 was adequate for establishing alfalfa and orchardgrass seedlings.

1 Joint contribution from the Research Branch, Canada Department of Agriculture, Nappan, N. S. (Contribution No. 150) an Agronomy Department, Cornell University, Ithaca, N. Y. (Contribution No. 625).

2 Research Officer, Canada Department of Agriculture, Nappan, (formerly graduate student) and Professor of Soil Technology (now Emeritus Professor of Agronomy), Cornell University, respectively.

Received for publication June 22, 1963.




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The SCI Journals Crop Science Vadose Zone Journal
Journal of Natural Resources
and Life Sciences Education		 Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome
Copyright © 1964 by the American Society of Agronomy.