caa a22 4500 606218823 CHVBK 20210128101115.0 cr unu---uuuuu 210128e20150501xx s 000 0 eng 10.1007/s11104-015-2392-x doi (NATIONALLICENCE)springer-10.1007/s11104-015-2392-x Interspecific facilitation of P acquisition in intercropping of maize with white lupin in two contrasting soils as influenced by different rates and forms of P supply [Elektronische Daten] [Dissanayaka Dissanayaka, Hayato Maruyama, Genki Masuda, Jun Wasaki] Aims: This study of a maize-white lupin model cropping system was conducted to investigate the effects of rhizosphere-sharing of white lupin, a P-efficient plant, on growth and P accumulation of maize under different P rates and forms in two contrasting soils. Methods: With Regosol and Andosol, a 42-day pot experiment was conducted for 0P (no P addition), 50Pi, 100Pi (50 and 100mgPkg−1 soil by NaHPO4⋅2H2O respectively), and 100Po (100mgPkg−1 soil by phytate). Plant growth, P uptake, rhizosphere pH, and different P fractions were investigated. Results: Complementary effects of intercropping for maize were observed in Regosol, but not in Andosol. Total P uptake by intercropped maize in 0P, 50Pi, and 100Po was elevated by 46, 37, and 65%, respectively, compared to when it was grown as a monoculture. White lupin mobilized P from sparingly soluble forms. Thereby, maize plant enhanced its P accumulation as a result of access to these two fractions in mixed culture in Regosol, where strong root intermingling occurred among intercropped plants. Conclusions: Results suggest that the P mobilization strategy of white lupin from sparingly soluble P pools in soil can enhance the P acquisition efficiency of coexisting maize with P facilitation in this intercropping occurring in the direction of white lupin to maize. Achieving enhanced growth and P uptake by P-inefficient species in intercropping with white lupin is dependent on the type of soil in which those plants are grown. Springer International Publishing Switzerland, 2015 Intercropping nationallicence Rhizosphere-sharing nationallicence P facilitation nationallicence P availability nationallicence Soil P pools nationallicence Soil type nationallicence Dissanayaka Dissanayaka Graduate School of Biosphere Science, Hiroshima University, Kagamiyama 1-7-1, 739-8521, Higashi-Hiroshima, Japan aut Maruyama Hayato Graduate School of Biosphere Science, Hiroshima University, Kagamiyama 1-7-1, 739-8521, Higashi-Hiroshima, Japan aut Masuda Genki Graduate School of Biosphere Science, Hiroshima University, Kagamiyama 1-7-1, 739-8521, Higashi-Hiroshima, Japan aut Wasaki Jun Graduate School of Biosphere Science, Hiroshima University, Kagamiyama 1-7-1, 739-8521, Higashi-Hiroshima, Japan aut Plant and Soil Springer International Publishing 390/1-2(2015-05-01), 223-236 0032-079X 390:1-2<223 2015 390 11104 https://doi.org/10.1007/s11104-015-2392-x text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s11104-015-2392-x text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Dissanayaka Dissanayaka Graduate School of Biosphere Science, Hiroshima University, Kagamiyama 1-7-1, 739-8521, Higashi-Hiroshima, Japan aut NATIONALLICENCE 700 1- Maruyama Hayato Graduate School of Biosphere Science, Hiroshima University, Kagamiyama 1-7-1, 739-8521, Higashi-Hiroshima, Japan aut NATIONALLICENCE 700 1- Masuda Genki Graduate School of Biosphere Science, Hiroshima University, Kagamiyama 1-7-1, 739-8521, Higashi-Hiroshima, Japan aut NATIONALLICENCE 700 1- Wasaki Jun Graduate School of Biosphere Science, Hiroshima University, Kagamiyama 1-7-1, 739-8521, Higashi-Hiroshima, Japan aut NATIONALLICENCE 773 0- Plant and Soil Springer International Publishing 390/1-2(2015-05-01), 223-236 0032-079X 390:1-2<223 2015 390 11104