Phosphate solubilizers enhance NPK fertilizer use efficiency in rice and legume cultivation.

3 Biotech
I DuarahH P Deka Boruah

Abstract

It has been reported that phosphate solubilizing bacteria (PSB) are the most promising bacteria among the plant growth promoting rhizobacteria (PGPR); which may be used as biofertilizers for plant growth and nutrient use efficiency. Moreover, these soil micro-organisms play a significant role in regulating the dynamics of organic matter decomposition and the availability of plant nutrients such as nitrogen (N), phosphorus (P), potassium (K) and other nutrients. Through this study, the management of nutrient use efficiency by the application of PSB was targeted in order to make the applied nutrients more available to the plants in the rice (Oryza sativa) and yardlong bean (Vigna unguiculata) cultivation. Results have shown that the treatments with PSB alone or in the form of consortia of compatible strains with or without the external application of chemical NPK gave more germination index (G. I.) from 2.5 to 5 in rice and 2.7 to 4.8 in bean seeds. They also showed a higher growth in both shoot and root length and a higher biomass as compared to the control. This gives us an idea about the potentiality of these PSB strains and their application in rice and yardlong bean cultivation to get a better harvest index. Their use will a...Continue Reading

References

Dec 1, 1977·Applied and Environmental Microbiology·L E Casida
Jun 13, 2002·Folia Microbiologica·H P Deka Boruah, B S Dileep Kumar
Aug 9, 2002·Nature·David TilmanStephen Polasky
Oct 11, 2003·Biotechnology Advances·H Rodríguez, R Fraga
Aug 27, 2009·Applied Microbiology and Biotechnology·Anthony O Adesemoye, Joseph W Kloepper
Nov 20, 2009·Plant Physiology·Jong-Pil HongWoo Taek Kim

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Citations

Dec 4, 2019·Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]·Gledson Luiz Salgado de CastroGisele Barata da Silva
Jun 1, 2021·Frontiers in Microbiology·Sajjad HyderMuhammad Inam-Ul-Haq

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