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Is the Companion Crop Harmless to Alfalfa Establishment in the Highlands of East Anatolia?

Is the Companion Crop Harmless to Alfalfa Establishment in the Highlands of East Anatolia? This study documented the effects of barley companion crop seeding rate and cutting stage on alfalfa establishment in a highland area. Alfalfa was established with barley at seeding rates of 0, 60, 120 and 180 kg ha−1 and cut at the milk‐dough and ripe grain stages. In most cases, hay yield and composition of herbage were affected by companion crop seeding rate and cutting stage. Total hay yield increased from 3294 to 5131 kg ha−1 when the companion crop seeding rate was increased from 0 to 180 kg ha−1 at the milk‐dough stage. Legume and weed growth was suppressed by the companion crop during establishment, but using a barley companion crop decreased alfalfa plant losses in the seeding year. Few residual effects of barley were seen on hay yield in the subsequent year, but residual effects of companion crop treatments on weed suppression continued in all clippings of the second year. The results suggest that alfalfa should be sown with a barley companion crop in highland areas with adequate moisture. The seeding rate for barley is about the same as that for barley grown alone, and the companion crop could be harvested for hay or grain in the establishment year. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Agronomy and Crop Science Wiley

Is the Companion Crop Harmless to Alfalfa Establishment in the Highlands of East Anatolia?

Journal of Agronomy and Crop Science , Volume 190 (1) – Feb 1, 2004

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References (13)

Publisher
Wiley
Copyright
Copyright © 2004 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0931-2250
eISSN
1439-037X
DOI
10.1111/j.1439-037X.2004.00044.x
Publisher site
See Article on Publisher Site

Abstract

This study documented the effects of barley companion crop seeding rate and cutting stage on alfalfa establishment in a highland area. Alfalfa was established with barley at seeding rates of 0, 60, 120 and 180 kg ha−1 and cut at the milk‐dough and ripe grain stages. In most cases, hay yield and composition of herbage were affected by companion crop seeding rate and cutting stage. Total hay yield increased from 3294 to 5131 kg ha−1 when the companion crop seeding rate was increased from 0 to 180 kg ha−1 at the milk‐dough stage. Legume and weed growth was suppressed by the companion crop during establishment, but using a barley companion crop decreased alfalfa plant losses in the seeding year. Few residual effects of barley were seen on hay yield in the subsequent year, but residual effects of companion crop treatments on weed suppression continued in all clippings of the second year. The results suggest that alfalfa should be sown with a barley companion crop in highland areas with adequate moisture. The seeding rate for barley is about the same as that for barley grown alone, and the companion crop could be harvested for hay or grain in the establishment year.

Journal

Journal of Agronomy and Crop ScienceWiley

Published: Feb 1, 2004

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