Claim · model-written summary
NPK increased maize-wheat system yield by more than 50% relative to N alone.
- Treatment
- recommended quantity of NPKe0
- Outcome
- yielde0
- Direction
- highere0
- Value
- more than 50%e0
- Comparator
- N alonee0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Application of recommended quantity of NPK in all the systems recorded higher yield and increase was found to be more than 50% in maize (Zea mays L.) -wheat and rice-rice systems and > 30% in rice-greengram [Vigna radiata (L.) Wilczek] and rice-wheat systems 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 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.
- Intervention effect NPK raised maize-wheat marginal returns 46.4% relative to N alone.