Excessive basal and tillering nitrogen (BTN) application in rice production causes substantial N losses and environmental costs

The gap

Evidence profile

Sourced from the abstract and stated challenges and stated research gap and future-work section of the source papers, classified as general, drawn from work published between 2023 and 2026, spanning 6 journals. Those papers have been cited 662 times in total.

Supporting evidence — 8 representative gaps

• Soil Fertility Dominates the Optimal Allocation of Basal and Tillering Nitrogen in Rice Production (2026) · Agronomy · doi

  Excessive basal and tillering nitrogen (BTN) application in rice production causes substantial N losses and environmental costs, yet practical soil fertility thresholds to guide safe BTN reduction (RBTN) have not been established.

  generalabstractevidence 5/5
  Keywords: excessive basal tillering nitrogen application rice production causes substantial losses environmental costs practical soil fertility
• Inclusion of Phaseolus vulgaris in fallow rice systems improves soil physical, physico-chemical and hydraulic properties under acidic sub-tropical conditions in Bangladesh (2026) · Discover Soil · doi

  Maintaining soil health and productivity in the face of increasing population pressure and limited agricultural resources. Managing soil physical and hydraulic properties to improve crop yields and reduce erosion. Balancing the need for sustainable agricultural practices with the need for increased food production.

  generalstated challengesevidence 5/5
  Keywords: maintaining soil health productivity face increasing population pressure
• Simulating water-nitrogen transport for winter wheat under drought-rewatering conditions in the North China (2026) · Frontiers in Plant Science · doi

  The study identifies a gap in understanding the effects of water-nitrogen coupling on winter wheat yield and nitrogen transformation. The study aims to address this gap by investigating the impact of drought and rewatering on soil nitrogen dynamics.

  generalstated research gapevidence 5/5
  Keywords: study identifies gap understanding effects water-nitrogen coupling winter
• Cost-effective mitigation of nitrogen pollution from global croplands (2023) · Nature · cited 662× · doi

  To develop more effective measures to reduce nitrogen losses from croplands. To evaluate the potential impacts of the package of measures on different regions and countries. To develop innovative policies to support the adoption of these measures.

  generalfuture-work sectionevidence 5/5
  Keywords: develop effective measures reduce nitrogen losses croplands evaluate
• Evaluating the effects of soil and water conservation measures on soil moisture regimes and crop performance in Jammu’s rainfed agroecosystems (2026) · Scientific Reports · doi

  There is a need to evaluate the effects of different soil and water conservation treatments on soil moisture and wheat productivity in rainfed agroecosystems. The study aims to address this gap by comparing the effects of four conservation treatments.

  generalstated research gapevidence 5/5
  Keywords: there need evaluate effects different soil water conservation
• Bio–Tillage Mediated by Root–AMF Synergy Promotes the Amelioration of the Compacted Soil Environment and Soybean Growth Under Conservation Management (2026) · Agronomy · doi

  The effects of conservation management on root adaptation and AMF responses in compacted soils are not well understood. The mechanisms by which bio-tillage mediated by root-AMF synergy affects soil environment and crop growth are not clear. The optimal conservation management practices for improving soil health and crop productivity in compacted soils are not well established.

  generalstated research gapevidence 5/5
  Keywords: effects conservation management root adaptation amf responses compacted
• Bio–Tillage Mediated by Root–AMF Synergy Promotes the Amelioration of the Compacted Soil Environment and Soybean Growth Under Conservation Management (2026) · Agronomy · doi

  Further research is needed to determine the long-term effects of conservation management practices, - Studies should investigate the effects of different organic material inputs and green manure intercropping on soil environment and crop growth, - Research should focus on the stage-dependent effects of conservation management practices

  generalfuture-work sectionevidence 4/5
  Keywords: further research needed determine long-term effects conservation management
• Land degradation is associated with larger crop yield gaps across global croplands (2026) · Nature Food · doi

  Further research is needed to explore the mechanisms by which land degradation affects crop yields. The study suggests that addressing land degradation is crucial for maintaining agricultural productivity, and future research should focus on developing strategies to mitigate land degradation.

  generalfuture-work sectionevidence 3/5
  Keywords: further research needed explore mechanisms land degradation affects

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