Claim · model-written summary
Full nitrogen at tillering had the highest weed biomass, 353.6 kg h -1 in 2005/06 and 224.1 kg h -1 in 2006/07.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- full N (304 kg urea ha -1 ) application at tillering stagee0
- Interactor
- weede0weed
- Outcome
- weed biomasse0
- Direction
- higheste0
- Value
- 353.6 kg h -1e0
- Qualifier
- 224.1 kg h -1e0
- Comparator
- zero N application at sowing and stem elongation stagese0
Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the highest (353.6 kg h -1 in 2005/06 and 224.1 kg h -1 in 2006/07) and the lowest (65.6 kg h -1 in 2005/06, and 24.0 kg h -1 in 2006/07) weed biomass were obtained from the full N (304 kg urea ha -1 ) application at tillering stage and zero N application at sowing and stem elongation stages”
t0“Wheat”
Title
Sahar Sheibani; H. Ghadiri Journal of Agricultural Science and Technology 2012
Other claims from this paper (16)
- Intervention effect The combined iodosulfuron and mesosulfuron treatment reduced weed biomass by 66% in 2005/06 versus the weedy check.
- Intervention effect The combined iodosulfuron and mesosulfuron treatment reduced weed biomass by 55% in 2006/07 versus the weedy check.
- Intervention effect Solfosulfuron reduced weed biomass by 37% in 2005/06 versus the weedy check.
- Intervention effect Solfosulfuron reduced weed biomass by 45% in 2006/07 versus the weedy check.
- Intervention effect Zero nitrogen at sowing and stem elongation had the lowest weed biomass, 65.6 kg h -1 in 2005/06 and 24.0 kg h -1 in 2006/07.
- Intervention effect Splitting nitrogen increased wheat nitrogen use efficiency.
- Intervention effect Nitrogen splitting increased wheat LAI and grain yield, with smaller increases in the presence of weeds.
- Intervention effect Integrating nitrogen and herbicide increased wheat LAI and grain yield more than either treatment alone.
- Intervention effect Integrating nitrogen and herbicide reduced weed biomass more than either treatment alone.
- Intervention effect The specified nitrogen split raised wheat grain yield 61% in 2005/06.
- Intervention effect The specified nitrogen split raised wheat grain yield 75% in 2006/07.
- Intervention effect The specified nitrogen split raised wheat biological yield 76% in 2005/06.
- Intervention effect The specified nitrogen split raised wheat biological yield 94% in 2006/07.
- Intervention effect The specified nitrogen split raised wheat LAI 62% in both years.
- Recommendation The authors recommend integrated split nitrogen and herbicide to increase wheat grain yield in the region.
- Intervention effect The specified nitrogen split and combined herbicide had the best weed control efficiency in wheat.