Search claims · PlantClaims

Associationobservedoriginal resultmeasured

Claim · model-written summary

Fertilizer inputs showed diminishing returns.

Taxon: rapeseedt0
Treatment: fertilizer inpute0
Outcome: Diminishing returne0
Direction: Diminishinge0

Verbatim

e0
“Yield had significant correlation with chemical fertilizers.Diminishing return was found in each fertilizer input.”
✓ located verbatim in the source · abstract, characters 597–711

t0
“rapeseed”
✓ located verbatim in the source · title, characters 28–36

Title

Fertilization evaluation of rapeseed in Qin-Ba mountain area of southern Shaanxi Province

Xiaoying Wang; Liu Fen; Yanan Tong; et al. Zhongguo youliao zuowu xuebao 2013. doi:10.7505/j.issn.1007-9084.2013.02.013

Other claims from this paper (5)

Observation Average rapeseed yield was 2 355kg/hm2.
Association Rapeseed yield correlated significantly with chemical fertilizer input.
Intervention effect Rational fertilizer supply was projected to increase yield by 56.2 thousand tons.
Intervention effect Boron fertilizer increased yield by 101kg/hm2.
Recommendation The authors recommend balancing N and phosphate and raising potassium, boron, organic manure and top dressing inputs.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Loamy sand showed diminishing ZUE returns at higher application rates.

Taxon: riceOryza sativat0
Outcome: diminishing returnse0
Direction: diminishinge0
Qualifier: higher application ratese0
Setting: loamy sande0

Verbatim

e0
“loamy sand exhibiting diminishing returns at higher application rates”
✓ located verbatim in the source · abstract, characters 1176–1245

t0
“Rice (Oryza sativa L. cv. Chai Nat 1)”
✓ located verbatim in the source · title, characters 70–107

Title

Zinc Fertilization Enhances Growth, Yield, and Zinc Use Efficiency of Rice (Oryza sativa L. cv. Chai Nat 1) in Contrasting Soil Textures

Benjapon Kunlanit; Tanapon Siritrakulsak; Ratanaporn Poosathit; et al. Agronomy 2025. doi:10.3390/agronomy15122779

Other claims from this paper (10)

Association Clay supported greater vegetative growth, biomass, and yield than loamy sand.
Intervention effect Zinc fertilization significantly increased plant height, tiller number, chlorophyll content, and biomass.
Intervention effect Zinc fertilization significantly increased panicle number, grain number, and filled grain weight.
Intervention effect Thousand-grain weight was not affected by zinc.
Observation ZUE peaked at 5 kg ha−1 in loamy sand.
Observation ZUE peaked at 10 kg ha−1 in clay.
Association Clay had a greater overall ZUE increase across zinc rates.
Association Yield improvement was associated mainly with reproductive efficiency in loamy sand.
Mechanism Yield improvement in clay was driven by vegetative vigor, biomass accumulation, and Zn uptake.
Intervention effect Zinc fertilization improved tissue Zn concentration.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Severe deficit irrigation showed diminishing returns and accumulated salinity.

Treatment: severe deficite0
Outcome: salinity accumulatione0
Direction: accumulatione0

Not reportedTaxonComparator

Verbatim

e0
“severe deficit caused diminishing returns and salinity accumulation”
✓ located verbatim in the source · abstract, characters 942–1009

Title

Deficit irrigation and water productivity of date palms in Al-Qassim oasis, Saudi Arabia

Fatimah Al-Zahrani; Nargiza Amonova; Feruza Nurutdinova; et al. Springer Link (Chiba Institute of Technology) 2025. doi:10.1051/e3sconf/202567002008/pdf

Other claims from this paper (4)

Intervention effect Moderate deficit irrigation reduced water withdrawals.
Intervention effect Moderate deficit irrigation preserved yield.
Intervention effect Moderate deficit irrigation increased sugar content.
Intervention effect Moderate deficit irrigation increased water productivity.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher Treatment D doses produced diminishing growth returns.

Taxon: Neolamarckia cadambaNeolamarckia cadambae1
Treatment: Higher doses (Treatment D)e0
Outcome: returnse0
Direction: diminishinge0

Not reportedComparator

Verbatim

e0
“Higher doses (Treatment D) produced diminishing returns”
✓ located verbatim in the source · abstract, characters 941–996

e1
“Neolamarckia cadamba (Jabon)”
✓ located verbatim in the source · abstract, characters 613–641

Title

Circular Upcycling of Bauxite Residue (Red Mud) with Cow Manure for Sustainable Forest Restoration: Effects on Neolamarckia cadamba (Roxb.) Bosser Growth in Degraded Mine Soils

Denah Suswati; Nugra Irianta Denashurya Sustainability 2026. doi:10.3390/su18115744

Other claims from this paper (4)

Intervention effect Treatment C produced the highest foliar nitrogen concentration of 3.47%.
Intervention effect Treatment C produced the highest foliar phosphorus concentration of 0.57%.
Intervention effect Treatment C produced the highest foliar potassium concentration of 1.63%.
Intervention effect Treatment C produced the greatest height increment, 84.99 cm, 36.9% above the unamended control.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The sum of the elasticities indicated diminishing returns to scale in chickpea production.

Taxon: chickpeaCicer arietinumt0
Outcome: diminishing returns to scalee2

Verbatim

t0
“resource use efficiency of chickpea production”
✓ located verbatim in the source · title, characters 14–60

e2
“the sum of the elasticity's indicated the diminishing returns to scale”
✓ located verbatim in the source · abstract, characters 716–786

Title

Estimation of resource use efficiency of chickpea production in Banda district of Bundelkhand region, Uttar Pradesh

Himanshu Panday; Rahul Kumar Rai; A.K. Sah Journal of Eco-friendly Agriculture 2023. doi:10.5958/2582-2683.2023.00009.6

Other claims from this paper (2)

Observationobservedreview summarybasis n/a

Claim · model-written summary

Fruit thinning can reach diminishing returns quickly.

Taxon: AppleMalus domesticat0
Outcome: point of diminishing returnse0

Verbatim

e0
“Fruit thinning can quickly reach the point of diminishing returns.”
✓ located verbatim in the source · abstract, characters 1085–1151

t0
“Crop Load, Fruit Thinning and their Effects on Fruit Quality of Apple (Malus domestica Borkh.)”
✓ located verbatim in the source · title, characters 0–94

Title

Crop Load, Fruit Thinning and their Effects on Fruit Quality of Apple (Malus domestica Borkh.)

József Racskó Acta Agraria Debreceniensis 2006. doi:10.34101/actaagrar/24/3221

Other claims from this paper (14)

Association Crop load strongly influences fruit size.
Intervention effect Removing part of the crop improves fruit size.
Observation Pome fruit potential size is set early and growth subsequently proceeds at a relatively uniform rate.
Method / resource The uniform fruit growth rate permits harvest size prediction by mid-summer.
Association Fruit numbers affect fruit size within limits, with early adjustment most effective.
Intervention effect Thinning lets potentially large fruit reach its size.
Recommendation The authors recommend emphasizing estimates of fruit number.
Recommendation The authors recommend thinning to remove the smallest fruit, improve quality and support annual production.
Intervention effect Early blossom thinning enhances next-year flower initiation and return bloom.
Intervention effect Blossom thinning reduces competition for photosynthates.
Intervention effect Blossom thinners usually have a caustic effect on floral parts.
Recommendation Tree vigor and condition should guide how much fruit is left.
Association Leaf area per fruit affects subsequent spur flowering.
Association Abscission after hand thinning varies with timing, complicating separation of timing and fruit-number effects.

Associationobservedoriginal resultsimulated

Claim · model-written summary

The root-yield response equation showed diminishing returns with delayed harvest.

Taxon: SUGAR BEETBeta vulgaris subsp. vulgarist0
Treatment: delaying harveste0
Outcome: root yield/fede0
Direction: diminishing returnse0

Verbatim

e0
“The response equation of root yield/fed to delaying harvest showed diminishing returns.”
✓ located verbatim in the source · abstract, characters 981–1068

t0
“SUGAR BEET”
✓ located verbatim in the source · title, characters 12–22

Title

RESPONSE OF SUGAR BEET TO PLANTING DATE AND NUMBER OF DAYS TO HARVEST UNDER NORTH SINAI CONDITIONS

AYMAN M. ABD EL-RAZEK Egyptian Journal of Agricultural Research 2006. doi:10.21608/ejar.2006.232137

Other claims from this paper (10)

Intervention effect Planting date significantly affected sucrose and purity percentages.
Intervention effect Planting date significantly affected root and sugar yields.
Intervention effect Planting on 15 September produced the highest root and sugar yields.
Intervention effect Harvesting at 205 days produced the highest root weight, sucrose and purity percentages.
Intervention effect Harvesting at 205 days produced the highest root and sugar yields.
Observation Cultivars differed significantly across all studied traits.
Observation Oscar poly had the highest root yield.
Observation Monte Bianco exceeded all other cultivars in sugar yield.
Observation Two-factor interactions were insignificant.
Association The model predicted greater root yield if harvest was delayed beyond 205 days.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Treatments with fixed N/P ratio showed no diminishing returns.

Taxon: cornZea mays subsp. mayse1
Treatment: fixed N/P ratioe0
Outcome: no diminishing returnse0

Not reportedDirection

Verbatim

e0
“there existed no diminishing returns in the treatments with fixed N/P ratio”
✓ located verbatim in the source · abstract, characters 1617–1692

e1
“marginal production of corn”
✓ located verbatim in the source · abstract, characters 1706–1733

Title

A Study on the Relationship Between Maximum Yield Application Rate of Nitrogen and Marginal Production and Its Mechanism

Chengji Wang T'u Jang T'ung Pao 2009

Other claims from this paper (5)

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Excessive nitrogen inputs lead to diminishing returns and possible nutrient imbalances.

Taxon: TomatoesSolanum lycopersicumt0
Treatment: excessive N inputse0
Outcome: diminishing returns and potential nutrient imbalancese0
Qualifier: potential nutrient imbalancese0

Verbatim

t0
“Tomatoes”
✓ located verbatim in the source · title, characters 97–105

e0
“These findings demonstrate that excessive N inputs lead to diminishing returns and potential nutrient imbalances”
✓ located verbatim in the source · abstract, characters 857–969

Title

Optimizing Nitrogen for Sustainable Yield and Efficiency: Insights from Shouguang Facility-Grown Tomatoes

Xueying Wang; Jingchao Jia; Caiyan Lu; et al. Agronomy 2025. doi:10.3390/agronomy15020420

Other claims from this paper (8)

Intervention effect Nitrogen rates of N60–N80 optimally balanced tomato yield.
Intervention effect Nitrogen rates of N60–N80 optimally balanced nitrogen-use efficiency and crop growth.
Intervention effect Rates above N60–N80 did not enhance yield.
Intervention effect Rates above N60–N80 reduced nitrogen-use efficiency.
Observation Tomato seedlings had low nitrogen requirements.
Observation Tomatoes relied primarily on native soil nitrogen during flowering.
Observation Fertilizer-derived nitrogen use increased during fruiting.
Recommendation Nitrogen input should be adjusted by crop developmental stage to optimize yield and resource utilization.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Diminishing returns is confirmed for all but one age-group.

Taxon: Phyllostachys edulisPhyllostachys edulise0
Outcome: Diminishing returnse1
Qualifier: all but one age-groupe1

Not reportedDirection

Verbatim

e0
“The effect of age was examined using 1623 Phyllostachys edulis leaves from culms differing in age collected in Nanjing, China”
✓ located verbatim in the source · abstract, characters 174–299

e1
“"Diminishing returns" is confirmed for all but one age-group of an important monocot species”
✓ located verbatim in the source · abstract, characters 950–1042

Title

“Diminishing returns” for leaves of five age‐groups of Phyllostachys edulis culms

Xuchen Guo; Peijian Shi; Ülo Niinemets; et al. American Journal of Botany 2021. doi:10.1002/ajb2.1738

Other claims from this paper (8)

“diminishing returns”

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