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February 27, 2026Bioscience JournalOpen Access

The impact of nitrogen–phosphorus–potassium ratios on potato (Solanum tuberosum L.) Yield and variety: a case study in liangshan yi autonomous prefecture in sichuan province

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Authors

QZQingpei ZhangChengdu Academy of Agriculture and Forestry SciencesTCTao ChenSoochow UniversityXWXiangyu WangKyushu University

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Implication

Research analyzes NPK fertilization effects on potato yield in Liangshan Yi, suggesting optimal ratios for growth.

Key Points

  • This research aims to determine the optimal nitrogen, phosphorus, and potassium (NPK) ratios for maximizing potato yield and quality in the region.
  • Analyzed various NPK ratios using a '3414' fertilizer experimental design
  • Focused on the 'Chuanliangshu 10' cultivar
  • Measured agronomic traits, yield, and quality of potatoes at different NPK levels
  • Applied ternary quadratic regression to fit yield data and determine optimal ratios
  • The highest potato yield was in the T3 treatment with specific NPK levels
  • Optimal theoretical treatment calculated as T13 with adjusted NPK ratios
  • T5 treatment showed a balance in plant height, emergence rate, and tuber quality

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/69a1344fed1d949a99abe0f7https://doi.org/10.14393/bj-v42n0a2026-74165
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Also Consider

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  5. 5Response of Potato (Solanum tuberosum L) Varieties to Blended NPSZnB and Potassium Chloride Fertilizers Rates at Assosa District, Western Ethiopia2024 · 1 citations