Intervention effectmodel-written summary

Three prunings per season reduced leucaena biomass and N yield relative to two prunings.

A claim from Hedgerow Pruning Management Effects on Maize Yield and Nitrogen Uptake in an Alley Cropping System in Haiti · 2004

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Three prunings per season reduced leucaena biomass and N yield relative to two prunings.

Taxon
leucaenaLeucaenae0
Treatment
Pruning three times per seasone0
Outcome
leucaena biomass and N yielde0
Direction
reducede0
Comparator
pruning twicee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Leucaena
Leucaena · Taxon · picture of the genus (one of its species)Tauʻolunga · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

e0

“Pruning three times per season gave higher maize yield, N uptake and N recovery than pruning twice, but reduced leucaena biomass and N yield”

✓ located verbatim in the source · abstract, characters 1081–1221

Title

Hedgerow Pruning Management Effects on Maize Yield and Nitrogen Uptake in an Alley Cropping System in Haiti

Lionel Isaac; Dennis A. Shannon; C. Wesley Wood Agronomy Journal 2004. doi:10.2134/agronj2004.1632

Other claims from this paper (13)

Record rev-f15f66c3a34668e0df890087dd4868f609a3b73c63d2423ba537e86f39c1a9e6 · schema claims-v0.9 · position 8 in the model’s answer

pruning · yield · LeucaenaPositive and negative results

5 papers: 3 positive, 2 negative or no effect

2 papers in the same direction as this claim · 2 in the opposite direction

  1. positive
    Less frequent cutting increased yields.

    Influence of Intra‐Row Spacing and Cutting Regimes on the Growth and Yield of Leucaena1 · 1978

    Opposite direction

  2. positive
    Less frequent pruning increased leucaena yield in seasons two and three.

    Alley cropping kenaf ( Hibiscus cannabinus ) with leucaena ( Leucaena leucocephala ) in south-eastern Queensland · 1988

    Opposite direction

  3. no effect
    Contrasting cutting intervals had no effect on Leucaena dry matter yields at Lansdown.

    Performance of fourteen Leucaena lines at five sites in Queensland · 1988

    Same direction

  4. negative
    Cutting leucaena at 10 cm depressed its yield.

    Effect of leucaena row spacing and cutting height on yield and chemical compositions of three associated grasses intercropped with leucaena · 2002

    Same direction

See all 5 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.