Intervention effectmodel-written summary

Dhaincha intercropping for green manure increased rice grain yield over sole rice.

A claim from Split strategies and intercropping dhaincha for in situ green manuring and seed production in wet-seeded rice · 2003

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Dhaincha intercropping for green manure increased rice grain yield over sole rice.

Treatment
Intercropping dhaincha exclusively for in situ green manuringe0
Interactor
dhainchae0other
Outcome
grain yield of ricee0
Direction
highere0
Comparator
sole ricee0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleSettingValueQualifier

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Intercropping dhaincha exclusively for in situ green manuring recorded a higher grain yield of rice (with green manure) than sole rice”

✓ located verbatim in the source · abstract, characters 196–330

Title

Split strategies and intercropping dhaincha for in situ green manuring and seed production in wet-seeded rice

S. Anbumani; B. Chandrasekaran; T. Nadanassababady; et al. Acta Agronomica Hungarica 2003. doi:10.1556/aagr.51.2003.2.5

Other claims from this paper (4)

Record rev-0d2cf0239d6d612b1e211b9d220a812b33e5bb6ac2510b1e637edba46fa15186 · schema claims-v0.9 · position 1 in the model’s answer

intercropping · yield · Oryza sativa (rice)Results differ

95 papers: 77 positive, 18 negative or no effect

76 papers in the same direction as this claim · 15 in the opposite direction · 3 reporting no difference from an alternative

  1. negative
    Hedgerow intercropping gave lower rice yields than a crop rotation with legume cover crops.

    Crop yield, C and N balance of three types of cropping systems on an Ultisol in Northern Lampung · 2000 · compared with a crop rotation with legume cover crops

    Opposite direction

  2. negative
    Forage intercrops significantly reduced rice grain yield versus monocropped rice by 10.94 to 25.87%.

    Effect of different rice-based intercropping systems on rice grain yield and residual soil fertility. · 2010 · compared with monocropped rice

    Opposite direction

  3. no effect
    Indigo intercropping generally did not affect dry season crop yields.

    ROLE OF INDIGO IN IMPROVING THE PRODUCTIVITY OF RAINFED LOWLAND RICE-BASED CROPPING SYSTEMS · 1999

    Opposite direction

  4. negative
    Intercropped rice had lower yield than monoculture rice.

    Synthetic Microbial Community Isolated from Intercropping System Enhances P Uptake in Rice · 2024 · compared with rice grown in monoculture

    Opposite direction

  5. negative
    Intercropping caused a small reduction in rice yield.

    Productivity and light interception in upland rice - legume intercropping systems · 1994

    Opposite direction

  6. negative
    Maize intercropping reduced rice grain yield by 10.94% versus monocropped rice.

    EVALUATION OF DIRECT-SEEDED UPLAND RICE-BASED INTERCROPPING SYSTEMS UNDER STRIP PLANTING GEOMETRY · 2007 · compared with monocropped rice

    Opposite direction

  7. negative
    Palisadegrass intercropping decreased rice shoot dry matter and grain yield by 11%.

    Overcoming Competition From Intercropped Forages on Upland Rice With Optimized Nitrogen Input to Food Production in Tropical Region · 2020 · compared with monocropped rice

    Opposite direction

  8. negative
    Intercropping significantly reduced rice grain yield yield relative to sole cropping.

    Effect of intercropping madumbe (Colocasia esculenta) and rice (Oryza sativa L.) on yield and land productivity under different irrigation water management techniques with effluent water · 2020 · compared with sole cropping

    Opposite direction

86 papers more in this group

See all 95 papers →

fertilization · yield · Oryza sativa (rice)Positive and negative results

3,455 papers: 3,183 positive, 272 negative or no effect

3,182 papers in the same direction as this claim · 207 in the opposite direction · 65 reporting no difference from an alternative

  1. no effect
    Current high nitrogen practices do not significantly raise crop yields relative to optimum fertilization.

    Reducing environmental risk by improving N management in intensive Chinese agricultural systems · 2009 · compared with knowledge-based optimum N fertilization

    Opposite direction

  2. no effect
    CRFs had no effect on crop yield.

    Effect of Enhanced Efficiency Fertilizers on Nitrous Oxide Emissions and Crop Yields: A Meta‐analysis · 2016

    Opposite direction

  3. negative
    The authors found fertilizer and irrigation investment had limited effects on rice production.

    Moving toward rice self-sufficiency in sub-Saharan Africa by 2030: Lessons learned from 10 years of the Coalition for African Rice Development · 2021

    Opposite direction

  4. negative
    Green manure and rice straw nitrogen, alone or in combination with inorganic N, gave lower grain yield, agronomic efficiency and apparent nitrogen uptake than a standard split application of prilled urea.

    Long-term Comparison of the Agronomic Efficiency and Residual Benefits of Organic and Inorganic Nitrogen Sources for Tropical Lowland Rice · 1996 · compared with a standard split application of prilled urea

    Opposite direction

  5. negative
    Without P fertilization, rice produced no panicles or grain.

    Nitrogen, Phosphorus and Potassium Interactions in Upland Rice · 2014

    Opposite direction

  6. negative
    Broadcast and split prilled urea left 11 to 35% of applied nitrogen unrecovered at harvest.

    Nitrogen‐15 Balance and Residual Effects of Urea‐N in Wetland Rice Fields as Affected by Deep Placement Techniques · 1984

    Opposite direction

  7. no effect
    Cow dung manure rates did not significantly affect grain yield or greenhouse gas emissions.

    Influence of rice varieties, organic manure and water management on greenhouse gas emissions from paddy rice soils · 2021

    Opposite direction

  8. negative
    Rice grain yield declined under control and sub-optimal fertilizer inputs.

    Yield trends and nutrient budgeting under a long-term (28 years) nutrient management in rice-wheat cropping system under subtropical climatic condition · 2014

    Opposite direction

3,446 papers more in this group

See all 3,455 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.