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<p>The purpose of the experiment was to identify nutrient management strategy to improve proso millet yield and mitigate greenhouse gas emissions. Especially by quantifying how chemical fertilizers and integrated nutrient management influence yield and greenhouse gas emissions. Five nutrient management treatments i.e., CK (0 kg N ha⁻¹), N1 (100 kg N ha⁻¹, urea), N2 (140 kg N ha⁻¹, urea), N1M (50 kg N ha⁻¹ urea + 50 kg N ha⁻¹ cattle manure), and N2M (70 kg N ha⁻¹ urea + 70 kg N ha⁻¹ cattle manure) were evaluated for greenhouse gas emissions and proso millet yield. Nutrient management significantly affected greenhouse gas emissions and proso millet yield. N1M significantly improved growth and proso millet yield (+ 48.4%) relative to CK. Maximum cumulative nitrous oxide (2.20 kg ha⁻¹) and carbon dioxide (3770 kg ha⁻¹) emission were obtained in N2, and N1M reduced nitrous oxide (1.41 kg ha⁻¹) and carbon dioxide (3018 kg ha⁻¹) emission. Furthermore, N2 resulted in maximum global warming potential (597 kg CO2-eq ha⁻¹) and greenhouse gas intensity (0.115 kg CO2-eq t⁻¹ yield), and N1M significantly reduced global warming potential (382 kg CO2-eq ha⁻¹) and greenhouse gas intensity (0.066 kg CO2-eq t⁻¹ yield). Treatment N1M performed better by improving proso millet yield and reducing greenhouse gas emissions, global warming potential and greenhouse gas intensity.</p>

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Impact of Nutrient Management Strategies on Greenhouse Gas Emission and Proso Millet Yield

  • 期刊论文

  • 发表日期：

    2026年5月19日

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  • Irshad Ahmad,
  • Tatiana Minkina,
  • Saglara Mandzhieva,
  • Khushnuma Ikram,
  • Anatoly Barakhov,
  • Svetlana Sushkova,
  • Olga Biryukova

摘要

The purpose of the experiment was to identify nutrient management strategy to improve proso millet yield and mitigate greenhouse gas emissions. Especially by quantifying how chemical fertilizers and integrated nutrient management influence yield and greenhouse gas emissions. Five nutrient management treatments i.e., CK (0 kg N ha⁻¹), N1 (100 kg N ha⁻¹, urea), N2 (140 kg N ha⁻¹, urea), N1M (50 kg N ha⁻¹ urea + 50 kg N ha⁻¹ cattle manure), and N2M (70 kg N ha⁻¹ urea + 70 kg N ha⁻¹ cattle manure) were evaluated for greenhouse gas emissions and proso millet yield. Nutrient management significantly affected greenhouse gas emissions and proso millet yield. N1M significantly improved growth and proso millet yield (+ 48.4%) relative to CK. Maximum cumulative nitrous oxide (2.20 kg ha⁻¹) and carbon dioxide (3770 kg ha⁻¹) emission were obtained in N2, and N1M reduced nitrous oxide (1.41 kg ha⁻¹) and carbon dioxide (3018 kg ha⁻¹) emission. Furthermore, N2 resulted in maximum global warming potential (597 kg CO2-eq ha⁻¹) and greenhouse gas intensity (0.115 kg CO2-eq t⁻¹ yield), and N1M significantly reduced global warming potential (382 kg CO2-eq ha⁻¹) and greenhouse gas intensity (0.066 kg CO2-eq t⁻¹ yield). Treatment N1M performed better by improving proso millet yield and reducing greenhouse gas emissions, global warming potential and greenhouse gas intensity.