Claim · model-written summary
Nitrogen application significantly decreased root-shoot ratio.
Not reportedTaxonMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Verbatim
e0“N applications significantly decreased the root-shoot ratio.”
Title
Yongjie Wang Acta Ecologica Sinica 2011
Other claims from this paper (19)
- Intervention effect content of leaf N rose through 288 kg N/hm2 then fell at 480 kg N/hm2.
- Intervention effect soluble protein rose through 288 kg N/hm2 then fell at 480 kg N/hm2.
- Intervention effect plant height rose through 288 kg N/hm2 then fell at 480 kg N/hm2.
- Intervention effect biomass of different components rose through 288 kg N/hm2 then fell at 480 kg N/hm2.
- Intervention effect net photosynthetic rate(Pn) rose through 288 kg N/hm2 then fell at 480 kg N/hm2.
- Intervention effect stomatal conductance(Gs) rose through 288 kg N/hm2 then fell at 480 kg N/hm2.
- Intervention effect transpiration rate(Tr) rose through 288 kg N/hm2 then fell at 480 kg N/hm2.
- Intervention effect water use efficiency(WUE) rose through 288 kg N/hm2 then fell at 480 kg N/hm2.
- Observation Medium nitrogen produced the best growth vigor.
- Observation Medium nitrogen gave the highest measured gas exchange parameters.
- Intervention effect Nitrogen application promoted aboveground biomass accumulation more than underground accumulation.
- Intervention effect leaf chlorophyll content increased with nitrogen rate.
- Intervention effect maximum quantum yield of PSⅡ photochemistry(Fv/Fm) increased with nitrogen rate.
- Intervention effect effective quantum yield of PSⅡphotochemistry(F′v/F′m) increased with nitrogen rate.
- Intervention effect actual photochemistry efficiency of PSⅡ(ΦPSⅡ) increased with nitrogen rate.
- Intervention effect electron transport rate(ETR) increased with nitrogen rate.
- Intervention effect photochemical quenching values(qP) increased with nitrogen rate.
- Intervention effect Nonphotochemical quenching tended to decrease with nitrogen application.
- Recommendation The authors identified 288 kg N/hm2 as the optimum seedling nitrogen rate.