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Differences in nutrient absorption among paddy weeds. I. Nitrogen absorption in mixed plantings



Differences in nutrient absorption among paddy weeds. I. Nitrogen absorption in mixed plantings



Weed Research, Japan 29(2): 147-152



The N absorption and competitive ability of 9 paddy weeds in mixed plantings were studied in pot experiments. Echinochloa crus-galli, Cyperus serotinus and Monochoria vaginalis had high N fertilizer absorption capacities and overgrew other weeds. Spp. were divided into 3 groups on the basis of N utilization efficiency, with E. crus-galli and C. serotinus (both C4 plants) in the highest group and Sagittaria trifolia and Alisma canaliculatum in the lowest group.

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