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“yield decrease”

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Organism: Oryza sativa ✕

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Yield did not significantly decrease through the eight-day irrigation interval.

Taxon: RICEOryza sativat0
Treatment: 8We0
Outcome: yielde0
Direction: decreasee0
Comparator: continuous flooding (W)e1

Verbatim

e0
“without any significant decrease in yield up to 8W”
✓ located verbatim in the source · abstract, characters 905–955

t0
“RICE”
✓ located verbatim in the source · title, characters 64–68

e1
“continuous flooding (W) without any significant decrease”
✓ located verbatim in the source · abstract, characters 881–937

Title

IRRIGATION REGIME AND POTASSIUM LEVELS EFFECTS ON YIELD OF SOME RICE GENOTYPES, WATER USE EFFICIENCY (WUE) AND ECONOMIC RETURNS

Howida El-Habet Journal of Plant Production 2014. doi:10.21608/jpp.2014.53654

Other claims from this paper (17)

Observation Giza179 had higher grain yield and yield attributes than GZ7112 under continuous flooding.
Intervention effect Twelve-day irrigation significantly reduced rice yield.
Intervention effect At 4W, Giza179 saved 10.36% and 8.37% irrigation water in 2012 and 2013.
Intervention effect At 4W, GZ7112 saved 10.50% and 10.36% irrigation water.
Intervention effect At 8W, Giza179 saved 17.81% and 23.66% water.
Intervention effect At 8W, GZ7112 saved 13.33% and 18.44% water.
Intervention effect At 12W, irrigation water savings were 23.91% and 27.90% across the two seasons.
Intervention effect At 12W, grain yield was reduced about 22.42% and 24.71% in 2012 and 2013.
Observation Giza179 yielded 9.70 t/ha across both seasons.
Observation GZ7112 yielded 9.33 t/ha across both seasons.
Observation Giza179 saved 20.73% water across both seasons.
Observation GZ7112 saved 15.88% water across both seasons.
Observation Giza179 water use efficiency was 0.90 kg/m3.
Observation GZ7112 water use efficiency was 0.81 kg/m3.
Observation With Giza179 at 8W, total water input was reported as 11260.88 and 10006.80 m3/ha.
Intervention effect Potassium application up to 108 K2O/ha significantly increased rice yield.
Intervention effect Potassium application up to 108 K2O/ha mitigated water stress and increased WUE and water savings.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Light water stress did not significantly decrease Nei2you6 yield.

Taxon: riceOryza sativat0
Material: Nei2you6e0
Treatment: light water stresse0
Outcome: yielde0
Direction: didn't decreasee0

Not reportedComparator

Verbatim

e0
“The results indicated that the yield of Nei2you6 didn't decrease significantly under light water stress”
✓ located verbatim in the source · abstract, characters 201–304

t0
“rice”
✓ located verbatim in the source · title, characters 59–63

Title

Effects of soil moisture on superficial roots and yield of rice

Li Hua; Zhang Yu-ping Ganhan diqu nongye yanjiu 2006

Other claims from this paper (10)

Intervention effect Severe water stress reduced Nei2you6 yield by 15.2%.
Intervention effect Soil water stress increased yield of Ⅱyou7954.
Observation Nei2you6 was more sensitive to soil water stress than Ⅱyou7954.
Intervention effect Light water stress slightly promoted superficial root growth.
Intervention effect Severe water stress reduced superficial root dry weight of Nei2you6 by 10.5%~31.6%.
Intervention effect Severe water stress reduced superficial root dry weight of Ⅱyou7954 by 13%.
Intervention effect Soil water stress enhanced superficial root activity.
Intervention effect Root cutting at panicle initiation caused more yield reduction than at flowering.
Intervention effect Cutting roots at panicle initiation decreased grain number per panicle.
Intervention effect Cutting roots at flowering decreased spikelet fertility rate.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

High-rate controlled-release urea (HN) did not significantly decrease rice yield compared with conventional urea (FP).

Taxon: riceOryza sativae0
Treatment: HNe0
Outcome: rice yielde0
Direction: did not decreasee0
Comparator: FPe0

Verbatim

e0
“As compared with FP, HN did not decrease rice yield significantly”
✓ located verbatim in the source · abstract, characters 370–435

Title

[Effects of seeding-box total fertilization on rice yield and nitrogen loss].

Ru-Liang Liu; You-Hong Li; Ai-Ping Zhang; et al. PubMed 2012

Other claims from this paper (7)

Intervention effect Medium-rate controlled-release urea (MN) increased the two-year average nitrogen use efficiency of rice by 26.2% compared with FP.
Intervention effect High-rate controlled-release urea (HN) increased the two-year average nitrogen use efficiency of rice by 20.7% compared with FP.
Intervention effect Total N concentration in surface water peaked 7-9 days after urea application in MN and HN, versus 1-3 days in FP.
Intervention effect Total N concentration in surface water in MN and HN was significantly lower than in FP throughout the rice growth period.
Intervention effect Nitrogen leaching loss occurred mainly at tillering stage in FP but was delayed to the tillering-flowering stage in MN and HN.
Observation In all treatments NO3(-)-N loss accounted for 59.7%-64.2% of the total N loss.
Intervention effect HN decreased total N leaching loss by 51.8% compared with FP.

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Surabyeo yield decrease at low nitrogen was not significant.

Taxon: RiceOryza sativat0
Material: Surabyeoe0
Outcome: yielde0
Direction: decreasee0
Comparator: 11 kg/10a N-fertilizer treatmente0

Not reportedTreatment

Verbatim

e0
“the decrease in yield was not significant in Surabyeo and Hwayeongbyeo compared with the 11 kg/10a N-fertilizer treatment”
✓ located verbatim in the source · abstract, characters 449–570

t0
“on Rice Growth”
✓ located verbatim in the source · title, characters 26–40

Title

Effect of N-fertilization on Rice Growth and Quality of Milled Rice

Se‐Jong Kim; Jong‐Gun Won; Duok-Jong Ahn; et al. The Korean Journal of Crop Science 2006

Other claims from this paper (6)

Observation Five named varieties yielded over 470 kg/10a.
Intervention effect Low nitrogen reduced Junambyeo yield by over 10%.
Intervention effect Low nitrogen reduced Donganbyeo yield by over 10%.
Intervention effect Hwayeongbyeo yield decrease at low nitrogen was not significant.
Observation Some varieties showed improved grain quality, chemistry and palatability.
Recommendation Six named varieties were selected as promising low nitrogen rice varieties.

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Hwayeongbyeo yield decrease at low nitrogen was not significant.

Taxon: RiceOryza sativat0
Material: Hwayeongbyeoe0
Outcome: yielde0
Direction: decreasee0
Comparator: 11 kg/10a N-fertilizer treatmente0

Not reportedTreatment

Verbatim

e0
“the decrease in yield was not significant in Surabyeo and Hwayeongbyeo compared with the 11 kg/10a N-fertilizer treatment”
✓ located verbatim in the source · abstract, characters 449–570

t0
“on Rice Growth”
✓ located verbatim in the source · title, characters 26–40

Title

Effect of N-fertilization on Rice Growth and Quality of Milled Rice

Se‐Jong Kim; Jong‐Gun Won; Duok-Jong Ahn; et al. The Korean Journal of Crop Science 2006

Other claims from this paper (6)

Observation Five named varieties yielded over 470 kg/10a.
Intervention effect Low nitrogen reduced Junambyeo yield by over 10%.
Intervention effect Low nitrogen reduced Donganbyeo yield by over 10%.
Intervention effect Surabyeo yield decrease at low nitrogen was not significant.
Observation Some varieties showed improved grain quality, chemistry and palatability.
Recommendation Six named varieties were selected as promising low nitrogen rice varieties.

Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Early-rice yield under the different treatments did not significantly increase or decrease with time.

Taxon: RiceOryza sativat0
Outcome: early-rice yielde0
Direction: did not significantly increase or decreasee0

Not reportedTreatmentComparator

Verbatim

t0
“Rice Field”
✓ located verbatim in the source · title, characters 54–64

e0
“early-rice yield under different treatments did not significantly increase or decrease with time”
✓ located verbatim in the source · abstract, characters 272–368

Title

Yield Trends and Reasons for Their Change in Red-soil Rice Field with Long-term Organic Matter Circling

Xie Xiao-li 2007

Other claims from this paper (8)

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Pattern B showed no significant yield increase or decrease.

Taxon: RiceOryza sativat0
Outcome: yielde0
Direction: no significant yield increasing or decreasing trende0

Not reportedTreatmentComparator

Verbatim

t0
“Rice”
✓ located verbatim in the source · title, characters 119–123

e0
“there was no significant yield increasing or decreasing trend”
✓ located verbatim in the source · abstract, characters 1786–1847

Title

Effects of “San-Ding” Cultivation Method on Yield Formation and Physiological Characteristics of Double Cropping Super Rice

Peng JIANG; Min HUANG; Md. Ibrahim; et al. ACTA AGRONOMICA SINICA 2011. doi:10.3724/sp.j.1006.2011.00855

Other claims from this paper (8)

Intervention effect Pattern A significantly raised grain yield relative to tested patterns.
Intervention effect Pattern A increased root bleeding intensity, root oxidation ability and root-shoot ratio relative to C.
Intervention effect Pattern A increased LAI and flag leaf photosynthetic rate relative to C.
Observation Pattern A SPAD reading declined slowly and dry matter production was higher from heading to maturity.
Intervention effect Pattern A early rice yield was 7.18 t hm-2, 11.68% above C.
Intervention effect Pattern A late rice yield was 8.39 t hm-2, 7.41% higher.
Intervention effect Pattern B increased dry matter accumulation and productive tillers relative to C.
Intervention effect Pattern B lowered harvest index and grain filling relative to C.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Shendao 4 grain yield did not decrease significantly versus control.

Taxon: RiceOryza sativat0
Material: Shendao 4e0
Outcome: yields of grainse0
Direction: didn’t decreasee0
Comparator: controle0

Not reportedTreatment

Verbatim

e0
“the yields of grains and the biomasses of aboveground of Shendao 4 didn’t decrease significantly compared to the control (p<0.05)”
✓ located verbatim in the source · abstract, characters 904–1033

t0
“Rice”
✓ located verbatim in the source · title, characters 25–29

Title

Selection of Cd-Excluder Rice in Shenyang Region of China for Food Safety

Jie Zhan; Shu He Wei; Rong Cheng Niu Advanced materials research 2012. doi:10.4028/www.scientific.net/amr.518-523.1033

Other claims from this paper (6)

Observation Only Shendao 4 had brown-rice Cd below 0.2 mg kg -1 at the lower Cd exposure.
Observation At 5 mg kg -1 soil Cd, Shendao 4 brown-rice Cd was lower than in other cultivars.
Observation At 5 mg kg -1 soil Cd, Shendao 4 enrichment factors were below 1.0.
Observation At 5 mg kg -1 soil Cd, Shendao 4 translocation factors were below 0.5.
Intervention effect Shendao 4 aboveground biomass did not decrease significantly versus control.
Observation Authors identify Shendao 4 as a Cd-excluder cultivar.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Reduced K reduced yield of Guixiangzhan, but the decrease was not significant compared with conventional K.

Taxon: riceOryza sativat0
Material: Guixiangzhane1
Treatment: reduced Ke1
Outcome: yielde1
Direction: reducede1
Comparator: conventional Ke1
Setting: South Chinat1

Verbatim

t0
“season rice”
✓ located verbatim in the source · title, characters 85–96

t1
“in South China”
✓ located verbatim in the source · title, characters 97–111

e1
“Treatment with reduced K reduced yield ofGuixiangzhan,but the decrease was not significant compared to conventional K”
✓ located verbatim in the source · abstract, characters 799–916

Title

Effects of reduced potassium fertilizer on source-sink characteristics of early/late season rice in South China

MO Zhao-we Journal of Northwest A & F University 2013

Other claims from this paper (6)

Intervention effect Reduced K increased yield of Huayou 8305 by 7.44% compared with conventional K.
Intervention effect Reduced K increased yield of Tianyou 998 by 19.39% compared with conventional K.
Intervention effect Reduced K improved sink capacity of Yuejingsimiao 2.
Intervention effect Reduced K reduced the available plumpness of sink and leaf source in rice.
Intervention effect Reduced K led to a 14.67% reduction of yield in Yuejingsimiao 2.
Recommendation Under lower N and P, a proper reduction of K with source-sink coordination can obtain higher yield or maintain stable yield.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Reducing N rates did not significantly decrease yield.

Taxon: riceOryza sativae1
Treatment: reducing N application ratese0
Outcome: yielde0
Direction: without significantly decreasinge0

Not reportedComparator

Verbatim

e0
“The NUE could be improved by reducing N application rates without significantly decreasing yield.”
✓ located verbatim in the source · abstract, characters 448–545

e1
“rice (Oryza sativa L.) yield”
✓ located verbatim in the source · abstract, characters 254–282

Title

Effects of Nitrogen Application Rates on Rice Grain Yield, Nitrogen-Use Efficiency, and Water Quality in Paddy Field

Zuozhen Dong; Lianghuan Wu; Jie Chai; et al. Communications in Soil Science and Plant Analysis 2015. doi:10.1080/00103624.2015.1045595

Other claims from this paper (5)

Intervention effect Yield differences among 180 to 315 kg ha−1 N rates were not significant.
Intervention effect Reducing N rates improved NUE.
Observation High ammonium and nitrate concentrations made 5–7 days after N application a critical pollution period.
Observation The rate for greatest yield was 176 kg ha−1.
Recommendation Authors recommend N rate reduction to maintain yield, improve NUE, and reduce pollution.

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