Claim · model-written summary
Sunflower yield was lower in row intercrops than sole crops.
- Taxon
- sunflower
Helianthus annuuse0 - Treatment
- row intercrope0
- Interactor
- mustarde0other
- Outcome
- Yieldse0
- Direction
- lowere0
- Comparator
- respective sole cropse0
Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields of both sunflower and mustard were lower in the row intercrop compared with respective sole crops.”
Title
Mechanisms for Overyielding in a Sunflower/Mustard Intercrop
D.H. Putnam; D.L. Allan Agronomy Journal 1992. doi:10.2134/agronj1992.00021962008400020013x
Other claims from this paper (11)
- Intervention effect Mustard border rows in strip intercrops yielded 61% more than sole mustard rows.
- Intervention effect Sunflower border rows in strip intercrops yielded 40% more than sole sunflower rows.
- Intervention effect Mustard yield was lower in row intercrops than sole crops.
- Intervention effect Strip intercrop land equivalent ratios ranged from 0.96 to 1.43.
- Intervention effect Row intercrop land equivalent ratios were generally below 1.0.
- Intervention effect Nitrogen application did not consistently affect land equivalent ratios.
- Observation Mustard border rows drew soil water from sunflower strips when sunflower demand was low.
- Observation Mustard border rows drew nitrogen from sunflower strips when sunflower demand was low.
- Observation Sunflower border rows drew water from mustard strips later in the season.
- Observation Sunflower border rows drew nitrogen from mustard strips later in the season.
- Mechanism Complementary water and nitrogen use was implicated in the positive strip-intercrop land equivalent ratio.