What question did this study set out to answer?

This research aims to assess the potential of biochar to enhance nitrogen retention and improve wheat productivity in low fertility alkaline soils.

June 20, 2026Journal of Plant Nutrition and Soil Science

Biochar‐Mediated Controlled Release of Mineral Nitrogen From Urea Enhances Wheat Yield in Low Fertility Alkaline Soil

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This research aims to assess the potential of biochar to enhance nitrogen retention and improve wheat productivity in low fertility alkaline soils.
Conducted a 1-month laboratory incubation study with biochar at 1%, 2%, and 3% and urea at 150 kg N ha−1.
Implemented a pot experiment using 1% biochar combined with urea at 100%, 85%, and 70% of the recommended rate in alkaline soil.
3% biochar significantly reduced NH4+-N concentration and delayed nitrification in incubation study.
Wheat with 85% urea and 1% biochar produced higher grain yield of 15.5 g pot−1 compared to 100% urea alone.
Low biochar rate (1%) can effectively substitute for a portion of mineral N fertilizer.

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Implication

Randomized trial evaluates biochar's effectiveness for enhancing nitrogen use and wheat yield in alkaline soil, suggesting substantial benefit from low applications.

Cite This Study

Mumtaz et al. (2026) studied this question.

synapsesocial.com/papers/6a363224db0793dc1a538d58 https://doi.org/10.1002/jpln.70088

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Implication

Randomized trial evaluates biochar's effectiveness for enhancing nitrogen use and wheat yield in alkaline soil, suggesting substantial benefit from low applications.

Biochar‐Mediated Controlled Release of Mineral Nitrogen From Urea Enhances Wheat Yield in Low Fertility Alkaline Soil

Key Points

Discussion

Implication

Cite This Study

Biochar‐Mediated Controlled Release of Mineral Nitrogen From Urea Enhances Wheat Yield in Low Fertility Alkaline Soil

Key Points

Discussion

Implication

Cite This Study

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