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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/10070

Title: Effect of Interseeding Berseem with Ryegrass and Nitrogen Fertilizer on Forage Yield and Rhizosphere Microorganisms.
Authors: R. M. El-Shahawy
Issue Date: 1983
Publisher: Journal Coll. Agri. King Saud Univ.,
Abstract: Two field experiments were carried out during 1978-79 and 1979-80 seasons to study the effect of interseeding berseem with ryegrass and nitrogen fertilizer on the fresh yield and nitrogen content of yield and rhizosphere microorganisms. The soil is clayey in texture, non saline, and alkaline in reaction (pH 7.6). Each experiment included twenty treatments, which were the combinations between five treatments of interseeding berseem (Trifolium alexandrinum L.) with ryegrass (Lolium multiforum L.) in addition to four rates of nitrogen fertilizer. The third mixture (75% berseem + 25% ryegrass) produced the highest accumulated nitrogen content and green forage yield and also the highest total bacterial counts, Azotobacter, N-fixing clostredia and nitrifier counts, irrespective of fertilizer application. Total green forage yield, as well as its nitrogen content and different groups of soil microorganisms studied, increased significantly as nitrogen fertilizer increased.
URI: http://hdl.handle.net/123456789/10070
Appears in Collections:College of Foods And Agricultural Science

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