ArticleFrontiers in plant science2026
Cropping system regulates the optimal organic substitution ratio via soil-plant nitrogen and phosphorus transformation and utilization.
Article in Frontiers in plant science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: The optimal of organic fertilizer for substituting chemical fertilizer in a specific planting system is unclear. This study aimed to clarify how organic substitution regulates nitrogen (N) and phosphorus (P) transformation and utilization in the soil-wheat system under different cropping systems. Methods: This study investigated three organic fertilizer substitution (0%, 25%, 50%) on N and P transformation and utilization in the soil-wheat environment under maize-wheat (MW), peanut-wheat (PW), and soybean-wheat (SW) cropping systems. Indicators related to rhizosphere soil N (N-acq) and P-acquiring (P-acq) enzyme activities, wheat root N and P metabolism enzyme activities, N and P nutrient accumulation and utilization, and yield. Results: Organic substitution reduced the N-acq enzyme activity in the rhizosphere soil (2.50%-35.32%) and the mineral N (N Discussion: The key drivers of yield formation were N related parameters under the MW and P related parameters under the SW and PW. Present study, 25% organic substitution is suitable for the MW cropping system, while 50% suits SW and PW cropping systems.
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