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. 1981 Jul 24;213(4506):473-4.
doi: 10.1126/science.213.4506.473.

Carbon flow in plant microbial associations

E A Paul, R M Kucey

Carbon flow in plant microbial associations

E A Paul et al. Science. .

Abstract

Measurement of the distribution of the photosynthesis product in the symbiotic association of a legume, a mycorrhizal fungus, and nitrogen-fixing bacteria showed that the fungus incorporated 1 percent of the photosynthesis product and respired 3 percent. The nodules of a 5-week-old plant utilized 7 to 12 percent of the photosynthesis product. The legume compensated in partfor the needs of its microbial partners through increased rates of photosynthesis.

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