Response of Bio-fertilizers and Hydrogel on Yield and Yield Attribute of Linseed Crop (Linum usitatissimum L.) under Rainfed condition

Author: Arushi Yadav, R.P. Singh, Sarvesh Kumar, U.D. Awasthi and Munish Kumar

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Abstract

To investigate the effects of hydrogel and bio-fertilizers on cultivars of linseed's yield attribute, the experiment was carried out during the rabi season of 2020–2022. The experiment, which was set up in RBD, included three doses of fertilizer with combinations of Bio-Fertilizers, namely N1 (100% RDF), N2 (75% RDF + Azotobacter), and N3 (50% RDF + Azotobacter + PSB), as well as three moisture conservation practices, namely M1 (Dust mulch), M2 (Hydrogel @2.5kg/ha), and M3 (Hydrogel @5. In times of water constraint, hydrogel may show to be a realistically effective and environmentally benign solution for achieving the aim of agricultural output. Different field, ornamental, and food crops have been observed to produce better yields after applying hydrogel to the soil. Analysis of the response dosages of nutrient management with moisture conservation techniques was done on the growth traits, plant population, flowering, yield attribute, and yield of the linseed crop. The greater seed production in nutrient management was attained at a rate of 75% RDF + Azotobacter of 13.02 q/ha and 13.32 q/ha in the first and second years, respectively. The higher seed yield was attained with hydrogel@5kg/ha in the first and second years, at 13.55 q/ha and 14.17 q/ha, respectively. This is similar to moisture conservation measures. The experiment's two years of data showed that the lowest seed yields were 9.25 q/ha and 9.64 q/ha of dust mulch. In India, a very low application rate of fertilizer is necessary for nearly all crop kinds due to the country climate types.

Keywords

Biofertilizer, Hydrogel, Ornamental, Moisture conservation, Growth traits

Conclusion

The dual inoculation of Azotobacter and PSB resulted in noticeably superior yield attributes, such as the number of capsules per plant and seed weight per plant, although statistically, this was no different from PSB seed inoculation. This may be because plants in dual-inoculation and PSB alone plots accumulate dry matter more efficiently than those in single-inoculation plots. Biofertilizers also considerably affected the seed and stover production of linseed. With the simultaneous inoculation of PSB and Azotobacter, a higher seed production was observed. Azotobacter has been found promising to improve nitrogen status of soil and crop yield due to their capacity to fix atmospheric nitrogen. By boosting the supply or availability of primary nutrients to the host plant, the biofertilizers encourage development. It raises agricultural yield production, soil quality, and fertility. To increase photosynthetic efficiency, assimilate partitioning, and boost crop growth and yield, hydrogel treatment may be a viable choice. In the current experiment, the hydrogel @5 kgha-1 with 75% RDF + Azotobacter showed higher growth characteristics. Therefore, the aforementioned dose can be suggested to the farmer in order to increase the yield of linseed under rainfed conditions. Agricultural hydrogels are environmentally beneficial since they biodegrade over time without leaving any residue on the soil.

References

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How to cite this article

Arushi Yadav, R.P. Singh, Sarvesh Kumar, U.D. Awasthi and Munish Kumar (2023). Response of Bio-fertilizers and Hydrogel on Yield and Yield Attribute of Linseed Crop (Linum usitatissimum L.) under Rainfed Condition. Biological Forum – An International Journal, 15(1): 647-650.