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Year : 2023, Volume : 11, Issue : 1and2
First page : ( 66) Last page : ( 72)
Print ISSN : 2349-9885. Online ISSN : 2582-5089. Published online : 2023  19.
Article DOI : 10.5958/2582-5089.2023.00009.9

Enhancing groundnut growth and yield through nanophosphorus and microbial inoculants in coastal soil of different textures

Karmegam Sureka*, Palanivel Kamalakannan, Duraisamy Elayaraja

Department of Soil Science and Agricultural Chemistry, Faculty of Agriculture, Annamalai University, Annamalainagar-608002, Tamil Nadu, India

*Email: surekasureka73@gmail.com

Online Published on 19 February, 2024.


To enhance the growth and yield of groundnut, the field experiments were conducted at farmers’ field in sandy clay loam texture of North Pichavaram village, Parangipettai block and sandy texture of Vanagiri village, Sirkali block during Rabi of 2022- 2023 using nanophosphorus and microbial inoculants. The treatments comprised of six levels of nanophosphorus (0, 200, 400, 600, 800 and 1000 ppm) and two microbial inoculants (Phosphorus Solubilizing Bacteria @ 5 kg ha−1 (PSB) and Arbuscular Mycorrhiza (AM) @ 5 kg ha−1 laid in randomized block design with eighteen treatment combinations with three replications. The growth parameters viz., plant height, chlorophyll content, dry matter production and pod and haulm yield were recorded. The outcome of the field experiments showed that nanophosphorus or microbial inoculants or both caused significant increase in growth and yield over control. The inoculation of AM @ 5 kg ha−1 in conjunction with 1000 ppm of nanophosphorus registered maximum plant height (53.6 and 50.9 cm), dry matter production (5699.25 and 5049.52 kg ha−1), pod (2921 and 2537 kg ha−1) and haulm yield (3037 and 2651 kg ha−1) in both sandy clay loam and sandy textured soils.



Arbuscular mycorrhiza, Growth, Yield, Nanophosphorus, Phosphorus solubilizing bacteria.


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