Claim · model-written summary
Rice nitrogen partial factor productivity under N alone ranged from 19 at Pakur to 41 kg grain kg−1 N at Amritsar.
- Taxon
- rice
Oryza sativae0 - Treatment
- N alonee0
- Outcome
- Partial factor productivity of Nitrogene0
- Value
- 19 kg grain kg−1 Ne0
- Qualifier
- 41 kg grain kg−1 Ne0
- Setting
- Pakure0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Partial factor productivity of Nitrogen (PFPn) N alone in rice varied across locations and ranged from 19 kg grain kg−1 N at Pakur to 41 kg grain kg−1 N at Amritsar.”
Title
A. S. Panwar; M. Shamim; Subhash Babu; et al. Sustainability 2018. doi:10.3390/su11010122
Other claims from this paper (19)
- Intervention effect NP enhanced rice grain yield by 105% over control.
- Intervention effect NP enhanced wheat grain yield by 97% over control.
- Observation Samba had the lowest fertilized rice-wheat system productivity.
- Observation Amritsar had the highest fertilized system productivity except under NPK and NPK+Zn.
- Observation Katni surpassed Amritsar in system productivity under NPK and NPK+Zn.
- Intervention effect NP produced an approximately threefold system productivity gain over control across locations.
- Intervention effect Balanced NPK increased system productivity 245% over control.
- Observation Wheat nitrogen partial factor productivity under N alone ranged from 15.5 at Ambedkarnagar to 28 kg grain kg−1 N at Amritsar.
- Observation Mean nitrogen partial factor productivity under N alone was 29 kg grain kg−1 N in rice.
- Observation Mean nitrogen partial factor productivity under N alone was 21 kg grain kg−1 N in wheat.
- Intervention effect Combined N and P increased nitrogen partial factor productivity in rice.
- Intervention effect Combined N and P increased nitrogen partial factor productivity in wheat.
- Intervention effect NPK increased phosphorus partial factor productivity in both crops at all locations.
- Intervention effect NPK increased potassium partial factor productivity at all locations.
- Intervention effect Rice response to K with N and P was 114% over combined N and K.
- Intervention effect Wheat response to K with N and P was 93% over combined N and K.
- Association Agronomic use efficiencies of N and P were greater in rice than wheat across locations regardless of fertilizer treatment.
- Observation Reported mean net returns were minimum under N alone at INR 29.5 × 103 ha−1 and maximum under NPK+Zn at INR 8.65 × 103 ha−1.
- Observation Mean marginal returns ranked N alone above NK, FFM, NPK, NP and NPK+Zn.