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Fig. 3. Uptake of N as influenced by Bothriochloa caucasica, B. ischaemum, and B. bladhii; and influenced by dryland and irrigation levels of low, medium, and high in July and October. Data for yr 2002 and 2003 were combined. a, b, c Means not followed by the same superscript differ in N-uptake within a single water treatment (P < 0.05). NS Not significant at P < 0.05.
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