The lack of a comprehensive assessment of overall soil quality restoration in soda saline-alkali soils

The gap

Evidence profile

Sourced from the stated research gap and future-work section and abstract of the source papers, classified as general, drawn from work published between 2025 and 2026, spanning 3 journals. Those papers have been cited 12 times in total.

Supporting evidence — 4 representative gaps

• Synergistic effect of the amendment on soybean yield increase and soil remediation in soda saline–alkali land: focusing on the soil quality index (2026) · Frontiers in Plant Science · doi

  The lack of a comprehensive assessment of overall soil quality restoration in soda saline-alkali soils. The need for a synergistic optimization of soil ecological functions and agricultural production goals in these soils.

  generalstated research gapevidence 5/5
  Keywords: lack comprehensive assessment overall soil quality restoration soda
• Local sediment and lime but no straw amendments can potentially improve barley biomass and yield at the field plot scale in Kenya (2025) · Frontiers in Environmental Science · cited 2× · doi

  Investigate the long-term effects of local sediment amendments on soil pH and nutrient availability - Examine the effects of local sediment amendments on other crops - Study the mechanisms by which local sediment amendments increase soil pH and nutrient availability

  generalfuture-work sectionevidence 5/5
  Keywords: investigate long-term effects local sediment amendments soil nutrient
• Synergistic effect of the amendment on soybean yield increase and soil remediation in soda saline–alkali land: focusing on the soil quality index (2026) · Frontiers in Plant Science · doi

  Further studies are needed to investigate the long-term effects of soil amendments on soil quality and crop yield in soda saline-alkali soils. Research is needed to develop more effective remediation strategies for these soils, taking into account the synergistic effects of different soil amendments.

  generalfuture-work sectionevidence 4/5
  Keywords: further studies needed investigate long-term effects soil amendments
• Humic Acid Enhances the Soil Amelioration Effect of Biochar on Saline–Alkali Soils in Cotton Fields (2025) · Agronomy · cited 10× · doi

  To address the severe challenge of soil salinization, effective soil amelioration methods are urgently needed; however, current research on the microbial mechanisms of the combined application of multiple amendments is insufficient.

  generalabstractevidence 4/5
  Keywords: soil address severe challenge salinization effective amelioration urgently needed current microbial mechanisms combined application multiple

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