Nitrogen Transfer to Forage Crops from a Caragana Shelterbelt
AbstractCaragana shelterbelts are a common feature of farms in the Northern Great Plains of North America. We investigated if nitrogen (N) from this leguminous shrub contributed to the N nutrition of triticale and oat forage crops growing adjacent to the shelterbelt row. Nitrogen transfer was measured using 15N isotope dilution at distances of 2 m, 4 m, 6 m, 15 m and 20 m from the shelterbelt. At 2 m caragana negatively impacted the growth of triticale and oat. At 4 m from the shelterbelt productivity was maximum for both forage crops and corresponded to the highest amount of N originating from caragana. The amount of N transferred from caragana decreased linearly with distance away from the shelterbelt, but even at 20 m from the shelterbelt row measureable amounts of N originating from caragana were detectable in the forage biomass. At 4 m from the shelterbelt approximately 40% of the N in both oat and triticale was from caragana, and at 20 m from the shelterbelt approximately 20% of the N in oat and 8% of the N in triticale was from caragana. View Full-Text
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Issah, G.; Kimaro, A.A.; Kort, J.; Knight, J.D. Nitrogen Transfer to Forage Crops from a Caragana Shelterbelt. Forests 2015, 6, 1922-1932.
Issah G, Kimaro AA, Kort J, Knight JD. Nitrogen Transfer to Forage Crops from a Caragana Shelterbelt. Forests. 2015; 6(6):1922-1932.Chicago/Turabian Style
Issah, Gazali; Kimaro, Anthony A.; Kort, John; Knight, J. D. 2015. "Nitrogen Transfer to Forage Crops from a Caragana Shelterbelt." Forests 6, no. 6: 1922-1932.