Claim · model-written summary
Rainfed BR14 rice yield fell by 48.8% against irrigated plots at 0 N.
- Taxon
- rice
Oryza sativae0 - Material
- ‘BR14’e0
- Treatment
- rainfed plotse0
- Outcome
- grain yieldse0
- Direction
- reducede0
- Value
- 48.8e0
- Qualifier
- 0e0
- Comparator
- irrigated plotse0
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In rainfed plots, grain yields of ‘BR14’ rice were reduced by 48.8, 43.4, and 39.3% relative to irrigated plots, and those of ‘BR11’ were reduced by 49.1, 43.8, and 42.2% ( P < 0.05), for 0, 90, and 135 kg N ha −1 , respectively.”
Title
Cultivar, Nitrogen, and Moisture Effects on a Rice‐Wheat Sequence: Experimentation and Simulation
Jagadish Timsina; Upendra Singh; Mohammed Badaruddin; et al. Agronomy Journal 1998. doi:10.2134/agronj1998.00021962009000020001x
Other claims from this paper (15)
- Intervention effect Rainfed BR14 rice yield fell by 43.4% against irrigated plots at 90 kg N ha −1.
- Intervention effect Rainfed BR14 rice yield fell by 39.3% against irrigated plots at 135 kg N ha −1.
- Intervention effect Rainfed BR11 rice yield fell by 49.1% against irrigated plots at 0 N.
- Intervention effect Rainfed BR11 rice yield fell by 43.8% against irrigated plots at 90 kg N ha −1.
- Intervention effect Rainfed BR11 rice yield fell by 42.2% against irrigated plots at 135 kg N ha −1.
- Observation The optimum rice N rate was between 90 and 135 kg ha −1.
- Intervention effect At 0 N, wheat yield did not differ significantly between moisture regimes.
- Intervention effect At 180 kg N ha −1, irrigation increased wheat yield.
- Intervention effect At 0 N, irrigated Kanchan wheat yield was reduced 73.0% at early planting against high N.
- Intervention effect At 0 N, irrigated Kanchan wheat yield was reduced 71.6% at late planting against high N.
- Intervention effect At 0 N, irrigated Sowgat wheat yield was reduced 75.2% at early planting against high N.
- Intervention effect At 0 N, irrigated Sowgat wheat yield was reduced 73.5% at late planting against high N.
- Observation Simulated rice yield tended to increase over years.
- Observation Simulated wheat yield had no definite trend over years.
- Observation Simulations indicated nitrogen limitation without fertilizer across sites and weather conditions for rice and wheat.