Intervention effectmodel-written summary

The 1.5 m spacing gave the highest yield and water use efficiency and lowest year to year variation.

A claim from OPTIMUM LATERAL SPACING FOR SUBSURFACE DRIP-IRRIGATED CORN · 1997

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 1.5 m spacing gave the highest yield and water use efficiency and lowest year to year variation.

Treatment
1.5 m dripline spacinge0
Outcome
highest yield, highest water use efficiency,and lowest year-to-year variatione0
Direction
higheste0

Not reportedTaxonMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Verbatim

e0

“The highest yield, highest water use efficiency,and lowest year-to-year variation were obtained with the 1.5 m dripline spacing.”

✓ located verbatim in the source · abstract, characters 771–899

Title

OPTIMUM LATERAL SPACING FOR SUBSURFACE DRIP-IRRIGATED CORN

F. R. Lamm; L. R. Stone; H. L. Manges; et al. Transactions of the ASAE 1997. doi:10.13031/2013.21354

Other claims from this paper (7)

Record rev-c766385ffa73cefdaf1088df309d47fe331b9752463d9e6aec4d2adf488fd9ee · schema claims-v0.9 · position 8 in the model’s answer

density · physiology: water · Zea mays (maize)Positive and negative results

28 papers: 24 positive, 4 negative or no effect

23 papers in the same direction as this claim · 4 in the opposite direction

  1. positive
    The triple-row system with 225 cm spacing improved irrigation water use efficiency.

    Triple-row system with a wider drip-line lateral spacing for two drip-irrigated sweet corn cultivars · 2020

    Same directionCites this paper

  2. no effect
    Plant density did not significantly alter total evapotranspiration of 56 cm.

    Water Use by Maize at Three Plant Densities · 1971

    Opposite direction

  3. negative
    High planting density significantly decreased relative water content during the silking and filling stages

    Increased photosynthesis and grain yields in maize grown with less irrigation water combined with density adjustment in semiarid regions · 2020

    Opposite direction

  4. no effect
    Under irrigation, density did not significantly affect ZY309 yield or water productivity.

    Response of grain yield and water productivity to plant density in drought-tolerant maize cultivar under irrigated and rainfed conditions · 2024

    Opposite direction

  5. no effect
    Intrinsic water use efficiency was unaffected by plant density or N rate.

    Photosynthesis-related physiological responses of field-grown maize to plant density and nitrogen stress during vegetative and reproductive growth stages · 2012

    Opposite direction

  6. positive
    Reduced row spacing increased grain water use efficiency up to 17%.

    Maize Evapotranspiration and Water‐Use Efficiency in Response to Row Spacing · 2012

    Same direction

  7. positive
    Higher planting density increased yield and WUE at I 100 and I 75.

    Water Use and Grain Yield in Drought‐Tolerant Corn in the Texas High Plains · 2015

    Same direction

  8. positive
    The 40–50 cm maize narrow-row spacing was the most efficient for total yields, GWUE and WER

    WATER USE EFFICIENCY AND WATER DISTRIBUTION RESPONSE TO DIFFERENT PLANTING PATTERNS IN MAIZE–SOYBEAN RELAY STRIP INTERCROPPING SYSTEMS · 2016

    Same direction

19 papers more in this group

See all 28 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.