Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 415354
Title Positive feedback between acidification and organic phosphate mineralization in the rhizosphere of maize (Zea mays L.).
Author(s) Ding, X.; Fu, L.; Liu, C.; Chen, F.; Hoffland, E.; Shen, J.; Zhang, F.; Feng, G.
Source Plant and Soil 349 (2011)1-2. - ISSN 0032-079X - p. 13 - 24.
Department(s) Chair Soil Biology and Biological Soil Quality
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) triticum-aestivum l. - phosphorus acquisition - deficient conditions - soil - ph - root - plants - microorganisms - availability - hydrolysis
Abstract Abstract To test the hypothesis that rhizosphere acidification would enhance the hydrolyzation of organic phosphates by increasing phosphatase activity. A Petri dish experiment with sterile agar and a pot experiment with a low P soil were used. In the Petri dish experiment, roots of each plant were cultured in two compartments, each of which contained agar with one of three nitrogen combinations: NH4 +/N0 (N0 = nitrogen free), NH4 +/NO3 -, and NO3-/N0. Phytin was supplied as the sole phosphorus (P) source to all compartments. In the pot experiment, the soil in each pot was treated with N0, KNO3, or (NH4)2SO4) together with 0 or 75 mg kg-1 phytin-P. Dry weight, P concentration, and P content of roots were highest in the NH4 + compartments in the Petri dish experiment. In the pot experiment, dry weight, P concentration, and
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