Book of Extended summaries ISDA

International Conference on Reimagining Rainfed Agro-ecosystems: Challenges &
Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad
Results
Results of the study indicated that, seed treatment with SPG-1118 hydrogel application
exhibited significantly higher pod yield (1674.1 kg/ha), haulm yield (3919.5 kg/ha), kernel
yield (1153.2 kg/ha) and shelling percentage (69.0%) as compared to control plots and other
aaridhar hydrogel applied plots. However, harvest index was found to be non-significant. Soil
application of commercially available Aaridhar hydrogel recorded significantly lower growth
and yield attributes. Similarly, hydrogels with no gypsum applied plots also recorded
significantly lower yields than others. Concurrently, higher soil moisture content was observed
under application of FYM+ SPG1118 hydrogel applied plots over other plots.
Yield (kg/ha)
4500 Pod yield (kg/ha) Haulm yield (kg/ha)
4000
Kernel yield (kg/ha) Shelling %
3500
3000
2500
2000
1500
1000
500
0
80
70
60
50
40
30
20
10
0
Harvest index (%) & shelling %
Effect of seed treatment, slurry and soil application on yield attributes and yields of groundnut
Conclusion
Seed treated hydrogel plots having significantly higher germination rates over soil applied
hydrogel plots. Therefore, under variable rainfall conditions, modifying method of application
of hydrogels in terms of seed treatment having higher yield advantage over normal practice of
soil application.
References
Rajanna, G.A., Manna, S., Singh, A., Babu, S., Singh, V.K., Dass, A., Chakraborty, D.,
Patanjali, N., Chopra, I., Banerjee, T., Kumar, A., Khandelwal, A. and Parmar, B.S. 2022.
Biopolymeric superabsorbent hydrogels enhance crop and water productivity of
soybean–wheat system in Indo-Gangetic plains of India. Scientific Reports, 12:11955.
https://doi.org/10.1038/s41598-022-16049-x
10 | Page Resilience through land and water management interventions, water management and governance