Claim · model-written summary
NPK raised maize-wheat marginal returns 46.4% relative to N alone.
- Taxon
- maize-wheate0
- Treatment
- application of NPK togethere0
- Outcome
- Marginal returnse0
- Direction
- highere0
- Value
- 46.4%e0
- Comparator
- N alonee0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier
Verbatim
e0“Marginal returns due to application of NPK together was found to be 136.7, 24.5, 11.5 and 46.4% higher in rice-rice, rice-wheat, rice-greengram and maize-wheat systems respectively over application of N alone.”
Title
N RAVISANKAR; B GANGWAR; KAMTA PRASAD The Indian Journal of Agricultural Sciences 2014. doi:10.56093/ijas.v84i2.38042
Other claims from this paper (14)
- Intervention effect NPK increased maize-wheat system yield by more than 50% relative to N alone.
- Intervention effect NPK increased rice-rice system yield by more than 50% relative to N alone.
- Intervention effect NPK increased rice-greengram system yield by over 30% relative to N alone.
- Intervention effect NPK increased rice-wheat system yield by over 30% relative to N alone.
- Intervention effect Applying all nutrients rather than N alone produced an additional 2 794 kg REY/ha on average.
- Intervention effect Balanced application increased maize-wheat yield 162% over control.
- Intervention effect NPK increased nitrogen partial factor productivity by over 50% in rice-rice.
- Intervention effect NPK increased nitrogen partial factor productivity by over 50% in maize-wheat.
- Intervention effect Balanced application gave nutrient agronomic efficiency over 100% across all systems compared with N alone or partial nutrient combinations.
- Intervention effect Combined application increased P efficiency across all systems.
- Intervention effect Combined application increased K efficiency across all systems, highest in maize-wheat.
- Intervention effect NPK raised rice-rice marginal returns 136.7% relative to N alone.
- Intervention effect NPK raised rice-wheat marginal returns 24.5% relative to N alone.
- Intervention effect NPK raised rice-greengram marginal returns 11.5% relative to N alone.