Optimizing nitrogen and sulphur nutrition for enhanced yield and yield-attributing traits in groundnut (Arachis hypogaea L.)
Year: 2025
Type: article
Abstract: Optimizing nutrient management is pivotal for the proper growth and development of plants to ensure higher productivity. The present study evaluated the effect of different nitrogen-sulphur levels on the growth and yield of groundnut. The experiment comprised six N-S treatment combinations (F1-6: N 30, 40 and S 0, 20, 30 kg ha-1) with a control (F0: N 0 and S 0 kg ha-1) using Randomized Complete Block Design (RCBD) with three replications. The result demonstrated significant yield improvements of groundnut under N and S applications compared to the control. Notably, Binachinabadam-8 (V2) treated with the highest level of N-S (F6, N 40 and S 30 kg ha-1) demonstrated the best performance, with enhanced plant height (46.67 cm), number of branches plant-1 (8.67), number of pods plant-1 (37.67), weight of pods plant-1 (27.84 g), number of seeds pod-1 (2.10), 100-seed weight (8.67 g), shelling percentage (73.52%), seed yield (1.55 t ha-1), stover yield (3.07 t ha-1), biological yield (5.36 t ha-1) and harvest index (42.66%). Further statistical analyses, such as Pearson correlation analysis, heatmap analysis, and PCA, confirmed trait contributions like number and weight of pods plant-1, shelling percentage, 100-seed weight, plant height, and number of branches plant-1 for yield variation. The cultivation of Binachinabadam-8 with 40 kg N ha-1 (≈87 kg Urea ha-1) and 30 kg S ha-1 (≈167 kg Gypsum ha-1) might offer a promising strategy towards groundnut productivity. The study provides valuable insights for developing nutrient management strategies aimed at sustainable groundnut production in less nutrient soils.
Authors: Golam Zakaria, Md. Asraul Haque, Mahfuza Begum, Muntarina Hussan Mouri, Mahadi Hasan Monshi, Ahmed Khairul Hasan
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: diamond
OpenAlex ID: W4414523728
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