Document Type

Article

Publication Date

2013

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In: Journal of Plant Nutrition and Soil Science, Vol. 176, 2013

Abstract

As a cover crop, buckwheat (Fagopyrum esculentum) may increase soil-P availability. Buckwheat was grown in low-P and P-fertilized field plots, and organic anions were measured in rhizosphere soil. Soil-P availability was not affected by buckwheat, but the concentration of rhizosphere tartrate2– was significantly higher (p < 0.005) in low-P vs. P-fertilized plots. This suggests that organic-anion root exudation may have a role in buckwheat-rhizosphere P dynamics.

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