Journal
SAUDI JOURNAL OF BIOLOGICAL SCIENCES
Volume 19, Issue 1, Pages 55-63Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.sjbs.2011.09.001
Keywords
Maize plant; Phosphate and potassium solubilizing bacteria; Rock P and K
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Funding
- King Saud University [RGP-VPP-010]
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The present work evaluated the synergistic effects of soil fertilization with rock P and K materials and co-inoculation with P and K-dissolving bacteria [PDB (Bacillus megaterium var. phosphaticum) and KDB (Bacillus mucilaginosus and B. subtilis)] on the improvement of P and K uptake, P and K availability and growth of maize plant grown under limited P and K soil conditions (calcareous soil). The experiment was establishment with eight treatments: without rock P and K materials or bacteria inoculation (control), rock P (RP), rock K (RK), RP + PDB, RK+ KDB and R(P + K)+(P + K) DB. Under the same conditions of this study, co-inoculation of PDB and KDB in conjunction with direct application of rock P and K materials (R(P + K)) into the soil increased P and K availability and uptake, and the plant growth (shoot and root growth) of maize plants grown on P and K limited soils. (C) 2011 King Saud University. Production and hosting by Elsevier B.V. All rights reserved.
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