Claim · model-written summary
Fertilization decreased rice-associated weed species richness and total density.
- Taxon
- rice
Oryza sativat0 - Treatment
- Fertilizatione0
- Outcome
- species richness and total density of rice-associated weedse0
- Direction
- decreasede0
- Comparator
- no fertilizere1
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fertilization decreased the species richness and total density of rice-associated weeds but increased their total biomass.”
t0“rice-associated weeds”
e1“setting no fertilizer and chemical fertilizer-only as controls”
Title
Pinglei Gao; Aimei Hong; Min Han; et al. Weed Science 2021. doi:10.1017/wsc.2021.75
Other claims from this paper (17)
- Intervention effect Fertilization increased total rice-associated weed biomass.
- Intervention effect Fertilization reduced broadleaf and sedge weed richness and densities.
- Intervention effect Grass weed richness increased only with straw return.
- Intervention effect Grass weed density was not significantly affected.
- Intervention effect Fertilization raised grass and broadleaf weed shoot biomass per square meter relative to no fertilizer.
- Intervention effect Sedge weed shoot biomass declined with fertilizer application.
- Intervention effect Fertilization decreased monarch redstem density.
- Intervention effect Fertilization decreased smallflower umbrella sedge density.
- Intervention effect Fertilization increased Chinese sprangletop density.
- Intervention effect Barnyardgrass density was not significantly affected by fertilization.
- Intervention effect Monochoria density was not significantly affected by fertilization.
- Observation Ammannia baccifera was the most abundant weed across all treatments.
- Intervention effect Composted pig manure plus fertilizer increased A. baccifera density relative to chemical fertilizer only.
- Intervention effect Composted pig manure plus fertilizer lowered A. baccifera shoot biomass per plant.
- Intervention effect Straw return plus chemical fertilizer lowered A. baccifera density.
- Intervention effect Straw return plus chemical fertilizer lowered A. baccifera shoot biomass.
- Recommendation The authors suggest weed-suppressing fertilization strategies for rice weed management.