Claim · model-written summary
Biological yield and grain yield rose from 96 to 168 kg ha-1.
- Taxon
- Wheat
Triticum aestivumt0 - Material
- Jimai 20t0
- Treatment
- nitrogen applied form 96 to 168 kg ha-1e0
- Outcome
- biological yield,grain yielde0
- Direction
- increasede0
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results showed that intercellular CO2 concentration decreased,transpiration rate,stomatal conductance,net photosynthetic rate,sucrose-phosphate synthase activity in flag leaves,sucrose synthesis,biological yield,grain yield and nitrogen fertilizer use efficiency increased with nitrogen applied form 96 to 168 kg ha-1.”
t0“Wheat Jimai 20”
Title
Yu Zhen ACTA AGRONOMICA SINICA 2007
Other claims from this paper (17)
- Intervention effect Intercellular CO2 concentration fell as nitrogen increased from 96 to 168 kg ha-1.
- Intervention effect Transpiration rate and stomatal conductance rose from 96 to 168 kg ha-1.
- Intervention effect Net photosynthetic rate and sucrose-phosphate synthase activity rose from 96 to 168 kg ha-1.
- Intervention effect Sucrose synthesis rose from 96 to 168 kg ha-1.
- Intervention effect Nitrogen fertilizer use efficiency rose from 96 to 168 kg ha-1.
- Intervention effect At 240 kg ha-1, photosynthetic rate, enzyme activity and sucrose content increased significantly.
- Intervention effect At 240 kg ha-1, biological yield increased significantly.
- Intervention effect At 240 kg ha-1, harvest index decreased.
- Intervention effect At 240 kg ha-1, grain yield and nitrogen efficiency did not change significantly.
- Intervention effect Excess nitrogen reduced transpiration, stomatal conductance and stomatal limitation significantly.
- Intervention effect Excess nitrogen reduced net photosynthetic rate significantly.
- Intervention effect Excess nitrogen increased intercellular CO2 concentration.
- Intervention effect Excess nitrogen decreased enzyme activity and sucrose content.
- Intervention effect Excess nitrogen decreased biological yield, harvest index and grain yield.
- Intervention effect Excess nitrogen decreased nitrogen fertilizer use efficiency.
- Mechanism The net photosynthetic rate decrease was attributed mainly to a mesophyll factor.
- Recommendation The authors identified 168240 kg ha-1 as the appropriate nitrogen amount for Jimai 20.