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- Publisher
- Wiley
- Copyright
- Copyright © 1999 Wiley Subscription Services, Inc., A Wiley Company
- ISSN
- 0931-2250
- eISSN
- 1439-037X
- DOI
- 10.1046/j.1439-037x.1999.00297.x
- Publisher site
- See Article on Publisher Site
Abstract
The introduction of annual feed legumes into the intensifying systems of barley monocropping in dry‐area Mediterranean agriculture would reduce pest and disease risk and increase sustainable productivity. Potential modes of legume utilization by small ruminants — as green grazing, hay, or mature grain and straw — imply different times of harvest removal with possible consequences for the subsequent barley crop. In nine two‐year trials, barley following green‐grazed common vetch (Vicia sativa) always outyielded barley following vetch cut as hay or harvested at maturity, albeit in some years by small and non‐significant margins; mean differences in barley grain and straw yields between green‐graze and mature vetch treatments were around 20 %. The main mechanisms implicated are carryover to the barley of small amounts of soil water unused by early‐harvested vetch and enhanced nitrogen availability where active vetch root systems were killed by removal of the above‐ground crop.
Journal
Journal of Agronomy and Crop Science – Wiley
Published: May 1, 1999