4.5 Article

Phosphate solubilizing bacteria enhanced growth, oil yield, antioxidant properties and biodiesel quality of Kasumbha

Journal

SAUDI JOURNAL OF BIOLOGICAL SCIENCES
Volume 29, Issue 1, Pages 43-52

Publisher

ELSEVIER
DOI: 10.1016/j.sjbs.2021.09.068

Keywords

Green energy; Biofuel; Biodiesel; Kasumbha; Biofertilizers; Fatty acid; NMR

Categories

Funding

  1. Higher Education [IPFP/HRD/HEC/2014/1672]

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A field experiment was conducted to investigate the effects of biofertilizer and chemical fertilizer on the growth and yield of kasumbha. Results showed that biofertilizer treatment significantly improved plant growth and seed yield, outperforming other treatments. It was concluded that biofertilizer alone could be a sustainable and environmentally friendly alternative to chemical fertilizers in agriculture.
Biodiesel is considered as a potential alternative energy source, but problem exists with the quantity and quality of feedstock used for it. To improve the feedstock quality of biodiesel, a field experiment was conducted under natural conditions. Cultivar Thori of kasumbha was used in the experiment. Commercialized biofertilizers were applied at the rate of 20 kg per acre and chemical fertilizer (diammonium phosphate) was applied as half dose (15 kg/ha). Results indicated that number of leaf plant(-1), leaf area, number of seeds capitulum(-1) was significantly increased by biofertilizer treatment alone (BF) and combine treatment of biofertilizer and chemical fertilizer (BFCF). Agronomic traits such as plant height, no. of branches of a plant, no. of capitulum/plant was improved significantly by BF treatment over the control. Maximum 1000 seed weight (41%) and seed yield (23%) were recorded in half dose of chemical fertilizers treatment (CFH). Seed oil content and seed phenolics were significantly improved by BF and CF treatments while maximum biodiesel yield was recorded by BF treatment. Maximum oleic acid was recorded by BF treatment while other fatty acids being maximum in control except linoleic acid in BFCF treatment. Results for specific gravity were non-significant while acid value and free fatty acid contents were substantially reduced by BF treatment as compared to other treatments. Maximum value of iodine number was recorded in BFCF treatment while tocopherol contents were improved by BF treatment. It is inferred that biofertilizer treatment alone perform better as compared to other treatments and 50% chemical fertilizer can be replaced using biofertilizer which is a good approach for sustainable environmental-friendly agriculture. (C) 2021 The Authors. Published by Elsevier B.V. on behalf of King Saud University.

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