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“yield decrease”

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Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Authors recommended selecting non-irrigated corn for increased grain set and fewer surplus leaves.

Taxon: cornZea mays subsp. mayse0
Outcome: increase grain set and decrease surplus leavese0

Verbatim

e0
“in non-irrigated corn, breeders must direct their selection program to increase grain set and decrease surplus leaves”
✓ located verbatim in the source · abstract, characters 1084–1201

Title

The impact of source restriction on yield formation of corn (Zea mays L.) due to water deficiency

M. Oveysi; M.J. Mirhadi; H. Madani; et al. Plant Soil and Environment 2010. doi:10.17221/86/2010-pse

Other claims from this paper (5)

Intervention effect Early defoliation reduced corn grain yield under W1 by 19.2%.
Intervention effect Early defoliation reduced corn grain yield under W2 by 14.8%.
Intervention effect Water deficiency reduced grains per ear by 23.9%.
Intervention effect Water deficiency increased individual grain weight by 37.0%.
Mechanism Under water deficiency, corn yield limitation was attributed mainly to reduced dry matter allocation to grains.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend nitric and ammoniacal fertilizer in the rainy season to raise yield and lower ammonia loss.

Taxon: Marandu Palisade Grasst0
Treatment: nitric and ammoniacal fertilizerse0
Outcome: increase forage yield and decrease losses from volatilization of NH3e0

Verbatim

e0
“the use of nitric and ammoniacal fertilizers and the application of fertilizer in the rainy season constitute an efficient fertilizer management strategy to increase forage yield and decrease losses from volatilization of NH3”
✓ located verbatim in the source · abstract, characters 1120–1345

t0
“Ammonia Volatilization, Forage Accumulation, and Nutritive Value of Marandu Palisade Grass Pastures in Different N Sources and Doses”
✓ located verbatim in the source · title, characters 0–132

Title

Ammonia Volatilization, Forage Accumulation, and Nutritive Value of Marandu Palisade Grass Pastures in Different N Sources and Doses

Darlena Caroline da Cruz Corrêa; Abmael da Silva Cardoso; Mariane Rodrigues Ferreira; et al. Atmosphere 2021. doi:10.3390/atmos12091179

Other claims from this paper (7)

Intervention effect Ammonium nitrate reduced ammonia volatilization by 84% versus urea.
Intervention effect Ammonium sulfate reduced ammonia volatilization by 87% versus urea.
Intervention effect Ammonium nitrate increased forage accumulation by 14% versus urea.
Intervention effect Ammonium sulfate increased forage accumulation by 23% versus urea.
Association Forage accumulation rate and crude protein increased linearly with nitrogen dose.
Association Neutral detergent fiber content decreased linearly with nitrogen dose.
Association Ammonia losses and forage characteristics varied with rainfall and temperature.

Recommendationobservedoriginal resultpositivebasis n/a

Claim · model-written summary

S1 could increase maize yield by 3.5% compared with S0.

Taxon: maizeZea mayse0
Outcome: maize yielde0
Direction: increasinge0
Value: 3.5%e0
Comparator: S0e0

Verbatim

e0
“Compared to S0, S1 can decrease potassium fertilizer application rate by 10.2% while increasing maize yield by 3.5%.”
✓ located verbatim in the source · abstract, characters 850–966

Title

Effects of potassium fertilizer and straw on maize yield, potassium utilization efficiency and soil potassium balance

Xiaowen Wang; Wenhe Hu; Xilin Ning; et al. Archives of Agronomy and Soil Science 2022. doi:10.1080/03650340.2022.2025997

Other claims from this paper (8)

Intervention effect Straw return increased maize yield by 2.9%~6.2% versus no return.
Intervention effect Straw return increased available soil K by 19.3%~37.4%.
Intervention effect Straw return raised agronomy efficiency by 7.3%~35.4%.
Intervention effect Straw return raised potassium surplus rate by 24.8%~84.7%.
Intervention effect Recovery efficiency and partial factor productivity were statistically identical under S0 and S1.
Observation At zero surplus, S1 required 87.9 kg ha−1 potassium fertilizer for soil K balance.
Observation At zero surplus, the corresponding maize yield under S1 was 12,424.6 kg ha−1.
Recommendation S1 could lower potassium fertilizer application by 10.2% compared with S0.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors suggest adding remote sensing features to reduce model error.

Taxon: riceOryza sativat0
Outcome: decrease the current error rangee0

Verbatim

e0
“Introducing additional features, particularly remote sensing data, holds the potential to decrease the current error range of 8 to 10% to a more favourable and lower value.”
✓ located verbatim in the source · abstract, characters 1527–1699

t0
“rice”
✓ located verbatim in the source · title, characters 62–66

Title

Machine learning-based comparative analysis of weather-driven rice and sugarcane yield forecasting models

VB Virani; Neeraj Kumar; DS Rathod; et al. ORYZA- An International Journal on Rice 2024. doi:10.35709/ory.2024.61.2.4

Other claims from this paper (4)

Method / resource RF and GBR outperformed other algorithms for rice yield forecasts.
Method / resource Gradient Booster and XGBoost showed high accuracy for sugarcane yield prediction.
Method / resource MAPE remained above 8%.
Method / resource Temperature and humidity features were the most significant contributors to crop yield models.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors recommend biofertilizer to reduce chemical nitrogen use.

Taxon: SesameSesamum indicumt0
Outcome: use of biofertilizer can be useful in during the decrease use of N chemical fertilizere0

Verbatim

e0
“use of biofertilizer can be useful in during the decrease use of N chemical fertilizer”
✓ located verbatim in the source · abstract, characters 1399–1485

t0
“Sesame”
✓ located verbatim in the source · title, characters 105–111

Title

Effect of Chemical Fertilizer and Biofertilizer on Seed Yield, its Components,Oil and Protein Percent in Sesame Varietes

E Shakeri; M Amini Dehaghi; SA Tabatabaei; et al. DOAJ (DOAJ: Directory of Open Access Journals) 2012

Other claims from this paper (6)

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend matching nitrogen inputs to water-limited yield potential to maximize grain yield and resource-use efficiency.

Taxon: maizeZea mayst0
Outcome: matching N inputs to water-limited yield potentiale0

Verbatim

e0
“matching N inputs to water-limited yield potential is essential to maximize grain yield and resource-use efficiency”
✓ located verbatim in the source · abstract, characters 1308–1423

t0
“maize grain yields”
✓ located verbatim in the source · title, characters 29–47

Title

Excess nitrogen may decrease maize grain yields when water is limited

Tyler C. Donovan; Louise H. Comas; Joel Schneekloth; et al. Agricultural Water Management 2026. doi:10.1016/j.agwat.2026.110456

Other claims from this paper (12)

Intervention effect Under full irrigation, maize grain yield and aboveground biomass increased with nitrogen availability.
Intervention effect Under water limitation, excess nitrogen reduced maize grain yield relative to moderate rates.
Intervention effect Under water limitation, excess nitrogen reduced maize aboveground biomass relative to moderate rates.
Intervention effect Under water limitation, excess nitrogen reduced maize root biomass relative to moderate rates.
Observation Maximum maize grain yield under water limitation required 31% less nitrogen on average than under full irrigation.
Intervention effect Water limitation decreased maximum maize yield by 36% in 2021.
Intervention effect Water limitation decreased maximum maize yield by 59% in 2022.
Intervention effect Water limitation decreased maximum maize yield by 30% in 2023.
Observation Yield reductions at high nitrogen availability persisted in 2023 despite lower fertilizer inputs.
Association Maize nitrogen uptake increased with nitrogen supply.
Intervention effect Maize nitrogen uptake was higher under full irrigation.
Association Under water stress, increased nitrogen uptake was decoupled from maize yield and biomass production.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors conclude that short-term mung bean cultivation and ploughing is profitable for nematode suppression and increased green soybean yield.

Taxon: green soybeane0
Interactor: SCNe0pest
Second interactor: mung beanVigna radiatae0other
Outcome: short-term field cultivation of mung bean and ploughinge0
Qualifier: profitable method to decrease SCN density in infested fields and thereby to increase yield of green soybeane0

Verbatim

e0
“Overall, the present study revealed that short-term field cultivation of mung bean and ploughing was a profitable method to decrease SCN density in infested fields and thereby to increase yield of green soybean.”
✓ located verbatim in the source · abstract, characters 1224–1435

Title

Suppression of the soybean cyst nematode, Heterodera glycines, by short-term field cultivation and soil incorporation of mung bean

Seiya Chikamatsu; Ai Takeda; Kazuhiro Ohta; et al. Nematology 2020. doi:10.1163/15685411-bja10042

Other claims from this paper (7)

Intervention effect SCN hatching was stimulated at 25 and 30°C.
Intervention effect SCN hatching was not stimulated at 20°C.
Intervention effect Alternating temperatures between 20 and 25°C stimulated SCN hatching.
Observation Soil moisture of pF 2.76 or less was required to stimulate SCN hatch.
Observation SCN density declined by nearly half in control plots without mung bean cultivation and ploughing in Saitama and Nara.
Intervention effect Mung bean cultivation and ploughing reduced SCN density by nearly 80% or more in the three prefectures except one Kanagawa plot.
Intervention effect Green soybean yield increase from SCN control was estimated at 350 kg (1000 m) −2.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors concluded comprehensive measures reduce soil salinity and increase crop yield.

Taxon: crope0
Outcome: comprehensive measures on salinized farmlande0

Verbatim

e0
“comprehensive measures on salinized farmland are conductive to the decrease of soil salinity and the increase of crop yield.”
✓ located verbatim in the source · abstract, characters 1209–1333

Title

Evaluation of comprehensive improvement for mild and moderate soil salinization in arid zone

Haichang Yang; Yun Chen; Fenghua Zhang PLoS ONE 2019. doi:10.1371/journal.pone.0224790

Other claims from this paper (9)

Intervention effect Soil salinity decreased significantly in mildly salinized farmland after comprehensive measures.
Intervention effect Soil salinity decreased significantly in moderately salinized farmland after comprehensive measures.
Intervention effect Improvement in moderately salinized soil exceeded improvement in mildly salinized soil.
Observation Average desalinization rate in mildly salinized farmland was 15%.
Observation Average desalinization rate in moderately salinized farmland was -15.8%.
Association More irrigation was associated with better desalinization.
Observation Drainage water EC ranged from 7.53-11.16 dS m-1.
Observation Drainage water EC exceeded irrigation water EC.
Intervention effect Crop yield increased significantly under comprehensive improvement compared with the control.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors conclude mycorrhiza can reduce chemical phosphorus fertilizer for corn.

Taxon: cornZea mays subsp. mayse0
Outcome: decrease amount of phosphorus chemical fertilizes in corn growthe0

Verbatim

e0
“However, such mycorrhizal ability can help us to decrease amount of phosphorus chemical fertilizes in corn growth.”
✓ located verbatim in the source · abstract, characters 1737–1851

Title

Effects of mycorrhizal symbiosis and different levels of phosphorus on yield, macro and micro elements of Zea mays L. under water stress condition

D. Ghorbanian African Journal of Agricultural Research 2011. doi:10.5897/ajar11.101

Other claims from this paper (7)

Intervention effect Mycorrhizal inoculation significantly improved measured characteristics.
Association Irrigation, phosphorus and inoculation interacted significantly for grain yield.
Association The triple interaction significantly affected phosphorus concentration.
Observation A1P2G2 produced the highest grain yield and yield components.
Intervention effect Phosphorus and mycorrhiza compensated yield loss under moderate water stress.
Intervention effect Other treatments decreased grain yield relative to A2P2G2.
Intervention effect Under water stress, inoculation improved most measured indexes.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors identified later stage urea, foliar fertilizer and PGR application as most effective for reducing early ageing.

Taxon: wheatTriticum aestivume0
Treatment: urea,foliar fertilizer and plant growth regulator(PGR) applied at later growth stagese1
Outcome: decrease the influence of early aginge1
Direction: decreasee1

Verbatim

e0
“wheat grain yield”
✓ located verbatim in the source · abstract, characters 54–71

e1
“The best effect was achieved by the treatment of urea,foliar fertilizer and plant growth regulator(PGR) applied at later growth stages,which could decrease the influence of early aging”
✓ located verbatim in the source · abstract, characters 2313–2497

Title

Effects of Comprehensive Regulate Measures at Later Growth Stage on Early Aging of Strong Gluten Wheat

Rui Guo 2011

Other claims from this paper (15)

Intervention effect Urea, foliar fertilizer and PGR increased top three leaf chlorophyll content relative to CK.
Intervention effect Foliar fertilizer and PGR increased post anthesis dry matter accumulation in top three leaves relative to CK.
Intervention effect Foliar fertilizer and PGR increased redistribution amount and ratio of stored dry matter relative to CK.
Intervention effect Foliar fertilizer and PGR increased photosynthate transported to grain relative to CK.
Intervention effect Urea, foliar fertilizer and PGR treatments did not differ in grains per spike, grain weight per spike, thousand grain weight or yield.
Observation T7 gave the best treatment result over two years.
Intervention effect T7 increased leaf SPAD readings during filling relative to T1 by the stated factors.
Intervention effect T7 increased dry matter accumulation in the three upper leaves after anthesis relative to T1.
Observation Pre anthesis assimilate remobilization amount improved in the named vegetative parts.
Observation Pre anthesis assimilate remobilization rate improved in the named vegetative parts.
Observation Post anthesis assimilate transport into grain improved by 75.1% and 37.6%.
Observation Contribution of post anthesis assimilates to grain weight improved by 16.8% and 15.0%.
Observation Grain yield improved by 18.5% and 9.1%.
Intervention effect All treatments improved flour quality, with differing effects.
Observation Dough development and stability time differed significantly among treatments.

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