Abstract
Pigeon pea was shown to be more efficient at utilizing iron-bound phosphorus (Fe-P) than several other crop species. This ability is attributed to root exudates, in particular piscidic acid and its p -O-methyl derivative, which release phosphorus from Fe-P by chelating Fe 3+ . Pigeon pea is normally intercropped with cereals under low-input conditions in the Indian subcontinent. Although pigeon pea can utilize the relatively insoluble Fe-P, intercropped cereals must rely on the more soluble calcium-bound phosphorus. This finding suggests that cultivation of pigeon pea increases total phosphorus availability in cropping systems with low available phosphorus.
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Dates
Type | When |
---|---|
Created | 18 years, 10 months ago (Oct. 5, 2006, 6:10 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 12, 2024, 9:34 a.m.) |
Indexed | 3 weeks, 2 days ago (Aug. 6, 2025, 9:46 a.m.) |
Issued | 35 years, 4 months ago (April 27, 1990) |
Published | 35 years, 4 months ago (April 27, 1990) |
Published Print | 35 years, 4 months ago (April 27, 1990) |
@article{Ae_1990, title={Phosphorus Uptake by Pigeon Pea and Its Role in Cropping Systems of the Indian Subcontinent}, volume={248}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.248.4954.477}, DOI={10.1126/science.248.4954.477}, number={4954}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Ae, Noriharu and Arihara, Joji and Okada, Kensuke and Yoshihara, Teruhiko and Johansen, Chris}, year={1990}, month=apr, pages={477–480} }