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<p>A study was conducted to evaluate a <i>Eucalyptus</i>-based agroforestry system (S2) compared to sole turmeric (S1) where turmeric varieties were considered as treatment under factorial randomized block design. The study looked at how this system influences the growth and yield of turmeric (<i>Curcuma longa</i> L.), along with its effect on soil fertility. Results showed a progressive increase in plant height at different growth stages, where T1 exhibited the maximum plant’s height compared to other treatments and minimum was observed in T8. Growth parameters like number of leaves plant<sup>−1</sup> and number of tillers plant<sup>−1</sup> continuously increased over the growth period and was found to be higher under <i>Eucalyptus</i> compared to sole cropping. However, the yield attributes were maximum at sole cropping than <i>Eucalyptus</i>-based system. Among treatments, T5 and T7 recorded the maximum number of leaves plant<sup>−1</sup> and number of tillers plant<sup>−1</sup>, while T2 and T8 had the minimum. The yield attributes were maximum in T4 while T8 had the minimum. The presence of <i>Eucalyptus</i> significantly influences the soil properties where <i>Eucalyptus</i> intercropped with turmeric significantly enhances the soil nutrient availability, with maximum nitrogen, phosphorus, and potassium under intercropping with <i>Eucalyptus</i> than sole cropping. Among turmeric varieties, the highest N, P, and K were recorded in T4, T3 and T2, respectively. Additionally, soil pH ranges from 6.67 (T8) to 7.12 (T7) and SOC (%) ranges from 0.74 (T8) to 0.83 (T4). Compared to initial values, S2 improved the soil properties, increment in pH (6.2–7.3) and SOC (0.66–0.87%) while major plant nutrients significantly increase as N (1.31%), P (9.97%), and K (1.22%) indicating enhanced soil fertility under <i>Eucalyptus</i>-based agroforestry system. Findings suggest that <i>Eucalyptus</i>-based intercropping enhances more nutrient retention, which makes it a viable strategy for improving soil health, crop growth and productivity. Further, this combined approach of integrating trees with turmeric highlights both economic and ecological benefits, which are essential in the current scenario of climate change for farmers and human well-being.</p>

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Turmeric productivity and soil quality in an integrated Eucalyptus agroforestry system

  • 期刊论文

  • 发表日期：

    2026年2月16日

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  • Manish Kumar Mankur,
  • Pratap Toppo,
  • Susmita Shil,
  • Arnab Banerjee,
  • Manoj Kumar Jhariya,
  • Yamini Baghel,
  • Roshani Pradhan

摘要

A study was conducted to evaluate a Eucalyptus-based agroforestry system (S2) compared to sole turmeric (S1) where turmeric varieties were considered as treatment under factorial randomized block design. The study looked at how this system influences the growth and yield of turmeric (Curcuma longa L.), along with its effect on soil fertility. Results showed a progressive increase in plant height at different growth stages, where T1 exhibited the maximum plant’s height compared to other treatments and minimum was observed in T8. Growth parameters like number of leaves plant−1 and number of tillers plant−1 continuously increased over the growth period and was found to be higher under Eucalyptus compared to sole cropping. However, the yield attributes were maximum at sole cropping than Eucalyptus-based system. Among treatments, T5 and T7 recorded the maximum number of leaves plant−1 and number of tillers plant−1, while T2 and T8 had the minimum. The yield attributes were maximum in T4 while T8 had the minimum. The presence of Eucalyptus significantly influences the soil properties where Eucalyptus intercropped with turmeric significantly enhances the soil nutrient availability, with maximum nitrogen, phosphorus, and potassium under intercropping with Eucalyptus than sole cropping. Among turmeric varieties, the highest N, P, and K were recorded in T4, T3 and T2, respectively. Additionally, soil pH ranges from 6.67 (T8) to 7.12 (T7) and SOC (%) ranges from 0.74 (T8) to 0.83 (T4). Compared to initial values, S2 improved the soil properties, increment in pH (6.2–7.3) and SOC (0.66–0.87%) while major plant nutrients significantly increase as N (1.31%), P (9.97%), and K (1.22%) indicating enhanced soil fertility under Eucalyptus-based agroforestry system. Findings suggest that Eucalyptus-based intercropping enhances more nutrient retention, which makes it a viable strategy for improving soil health, crop growth and productivity. Further, this combined approach of integrating trees with turmeric highlights both economic and ecological benefits, which are essential in the current scenario of climate change for farmers and human well-being.