Claim · model-written summary
Agronomic efficiency of fertilizer-N and the sustainability yield index were higher under NPK and NPK+FYM than under control in rice-based systems.
- Taxon
- rice
Oryza sativat0 - Treatment
- NPK and NPK+FYMe7
- Outcome
- Agronomic efficiency of fertilizer-N (AEN) and the sustainability yield index (SYI)e7
- Direction
- highere7
- Comparator
- controle7
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice-rice and rice-wheat systems in South Asian”
e7“Agronomic efficiency of fertilizer-N (AEN) and the sustainability yield index (SYI) were higher under NPK and NPK+FYM than under control”
Title
Debashis Chakraborty; Dharamvir Singh Rana; Jagdish Kumar Ladha; et al. Crop and Environment 2026. doi:10.1016/j.crope.2026.100132
Other claims from this paper (18)
- Intervention effect In rice-rice systems, positive system productivity trends occurred at 46% of sites under NPK, compared with 10% under Control.
- Intervention effect In rice-rice systems, positive system productivity trends occurred at 60% of sites under NPK+FYM, compared with 10% under Control.
- Observation In rice-rice systems, declines in system productivity fell from 40% to 9-10% of sites.
- Association Under NPK+FYM, pooled correlations were positive for kharif rice in rice-rice systems (r = 0.41, P = 0.001).
- Association Under NPK+FYM, pooled correlations were positive for rabi rice in rice-rice systems (r = 0.28, P = 0.004).
- Association Under NPK+FYM, pooled correlations were positive for rice in rice-wheat systems (r = 0.27, P = 0.011).
- Association Under NPK+FYM, pooled correlations were positive for wheat in rice-wheat systems (r = 0.18, P = 0.002).
- Association Under NPK, pooled correlations were positive for wheat in rice-wheat systems (r = 0.15, p = 0.048), a weaker effect than under NPK+FYM.
- Association Under NPK, pooled correlations were positive for rabi rice in rice-rice systems (r = 0.29, P = 0.007).
- Association Under NPK, pooled correlations were near zero for kharif rice in rice-rice systems.
- Association Under NPK, pooled correlations were near zero for rice in rice-wheat systems.
- Intervention effect Residual coefficient of variation fell from 20-30% under Control to 15-18% under fertilized treatments in rice systems.
- Intervention effect NPK+FYM kept agronomic efficiency of fertilizer-N similar to NPK.
- Intervention effect NPK+FYM reduced the number of sites with low agronomic efficiency of fertilizer-N and low sustainability yield index.
- Recommendation Combining organic resources with balanced NPK is a practical priority for rice-based systems.
- Recommendation Routinely tracking AEN, SYI, and trend/stability indicators alongside mean yield is a practical priority.
- Recommendation Retaining crop residues where possible is a practical priority.
- Recommendation Reducing puddling where it harms wheat is a practical priority.