Effects of bacterial inoculant biofertilizers on growth, yield and nutrition of rice Australia

Effects of bacterial inoculant biofertilizers on growth, yield and nutrition of rice Australia

Inoculant biofertilizer application increased fertilizer nitrogen (N) use efficiency in Vietnam in some previous field experiments. Similar results may be obtained in Australia. With this view in mind, a greenhouse experiment and two field experiments were conducted using a Vietnamese inoculant biof...

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Bibliographic Details
Published in:Journal of plant nutrition Vol. 39; no. 3; pp. 377 - 388
Main Authors: Kecskés, M. L, Choudhury, A. T. M. A, Casteriano, A. V, Deaker, R, Roughley, R. J, Lewin, L, Ford, R, Kennedy, I. R
Format: Journal Article
Language:English
Published: Philadelphia Taylor & Francis 23-02-2016
Taylor & Francis Ltd
Subjects:
Bacteria
bacterial inoculant
biofertilizer
biofertilizers
Experiments
fertilizer rates
field experimentation
grain yield
greenhouse experimentation
inflorescences
nitrogen
nitrogen fertilizers
Nutrition
Plant growth
Rhizobium leguminosarum
rice
roots
shoots
Australia
Vietnam
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Summary:Inoculant biofertilizer application increased fertilizer nitrogen (N) use efficiency in Vietnam in some previous field experiments. Similar results may be obtained in Australia. With this view in mind, a greenhouse experiment and two field experiments were conducted using a Vietnamese inoculant biofertilizer (BioGro) and several other plant growth promoting (PGP) bacteria. In the greenhouse trial, bacterial inoculations increased shoot and root weights of rice plants significantly. In the field experiments, particularly with Rhizobium leguminosarum, similar effects including significant differences in nitrogen uptake in vegetative matter were observed at the panicle initiation (PI) stage. However, these effects were not significant on grain yield at harvest and it is concluded that the much longer period of growth for Australian rice may allow compensation between treatments. Re-inoculation of plants at the PI stage, and lower application rates of N fertilizer in at least two splits are suggested for future field experiments.
Bibliography:http://dx.doi.org/10.1080/01904167.2015.1016172
ObjectType-Article-1
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ISSN:1532-4087
0190-4167
1532-4087
DOI:10.1080/01904167.2015.1016172