Assessing the Effects of Integrated Nutrient Management on Groundnut Root Growth and Post-Harvest Soil Properties in Brown Forest Soil of South Odisha
Journal Title: International Journal of Experimental Research and Review - Year 2024, Vol 45, Issue 9
Abstract
The globe faces food security difficulties because of population increase and resource degradation, both worsened by climate change. Applying chemical fertilizer along with cereal-based cropping systems degrades soil health with respect to physical, chemical, and biological properties, which also results in low crop land productivity. However, adopting legume-based cropping systems with integrated nutrient management provides an appropriate way to reach Sustainable Development Goals (SDGs). Hence, a field trial was conducted on groundnut in 2018 and 2019 at the Post Graduate Research Farm, M.S. Swaminathan School of Agriculture, Paralakhemundi, Odisha, India. The experiment was laid out in a Factorial Randomized Block Design (FRBD) with two factors as seed inoculation (solid carrier-based Rhizobium (SR) and liquid carrier-based Rhizobium (LR)) and nutrient management (N1: 100% N (fertilizer), N2: 75%N (fertilizer) + 25% N (FYM), N3: 50%N (fertilizer) + 50% N (FYM), N4: 25% N (fertilizer) + 75% N (FYM) and N5: 100% N (through farmyard manure, FYM) in ten treatment combinations and replicated thrice. The result revealed that seed inoculation with SR and LR showed an almost similar trend in root length, dry weight and nodule, post-harvest soil pH, organic carbon and Rhizobium population in the soil in both years, which remained statistically at par. However, SR showed the highest value for root growth. Among nutrient management, 100% N (through inorganic fertilizer) recorded the highest root length (11.72, 19.75 and 23.9 cm) and dry weight (0.394, 1.075 and 1.141 cm) at 30, 60 and 90 days after sowing (DAS) respectively. Further, in the pooled data, the interaction effect of seed inoculation and nutrient management significantly impacted both root length and root dry weight. The nutrient management treatment and interaction effect of both factors, seed inoculation and nutrient management, significantly influenced soil organic carbon % and Rhizobium population. The highest and equal value of organic carbon in the soil (0.46%) was recorded from NM3, NM4 and NM5 and the highest Rhizobium population (64.5 x 106 CFU g-1 soil) from 100% N (FYM). The results concluded that integrated nutrient management positively impacted groundnut root growth and post-harvest soil properties. The results concluded that integrated nutrient management positively impacted groundnut root growth and post-harvest soil properties. Integration of Rhizobium as seed inoculation, fertilizer, and organic manure (FYM) influenced soil properties and root growth, enhancing crop productivity.
Authors and Affiliations
Jnana Bharati Palai, Ganesh Chandra Malik, Sagar Maitra, Mahua Banerjee, Sumit Ray, Masina Sairam
Keywords
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- EP ID EP752633
- DOI 10.52756/ijerr.2024.v45spl.024
- Views 5
- Downloads 0
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