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Competition for moisture among seedlings of annual and perennial grasses as influenced by root elongation at low temperature



Competition for moisture among seedlings of annual and perennial grasses as influenced by root elongation at low temperature



Ecology 51(3): 530-4. Bibl. 5



Agropyron spicatum and A. desertorum seedlings were grown at low temperatures in competition with dense stands of Bromus tectorum and Taeniatherum asperum. The rapidly elongating roots of B. tectorum and T. asperum penetrated the soil ahead of A. spicatum roots and used available moisture. In contrast, roots of Agropyron desertorum penetrated the soil almost as rapidly as B. tectorum and T. asperum and remained in favourable moisture conditions.

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Accession: 014392776

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DOI: 10.2307/1935392


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