Search claims · PlantClaims

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Increasing phosphorus application lightened the yield decrease to some degree.

Taxon: riceOryza sativat0
Treatment: increasing the amount of phosphorus applicatione1
Outcome: yield decreasee1
Direction: lightenede1
Qualifier: to some degreee1

Not reportedComparator

Verbatim

t0
“Rice Yield Decrease Resulting from Continual Direct Sowing Culture”
✓ located verbatim in the source · title, characters 25–91

e1
“This yield decrease could be lightened to some degree by increasing the amount of phosphorus application”
✓ located verbatim in the source · abstract, characters 2274–2378

Title

Studies on the Causes of Rice Yield Decrease Resulting from Continual Direct Sowing Culture : II. In relation to phosphorus nutrition

Yoshimasa UEMURA; AKIRA MIYASAKA Japanese Journal of Crop Science 1973. doi:10.1626/jcs.42.116

Other claims from this paper (9)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Captafol did not decrease potato yield.

Taxon: potatoSolanum tuberosumt0
Treatment: captafole0
Outcome: yielde0
Direction: did not decreasee0
Comparator: quintozenee0

Verbatim

e0
“The most effective chemical was captafol, which was as effective as quintozene and, unlike quintozene, did not decrease yield.”
✓ located verbatim in the source · abstract, characters 566–692

t0
“potato”
✓ located verbatim in the source · title, characters 45–51

Title

Glasshouse tests of chemicals for control of potato common scab

A. H. MCINTOSH Annals of Applied Biology 1973. doi:10.1111/j.1744-7348.1973.tb01324.x

Other claims from this paper (5)

Intervention effect Many tested chemicals failed to reduce potato scab incidence.
Intervention effect Many tested chemicals decreased potato tuber yield.
Intervention effect Captafol controlled potato scab as effectively as quintozene.
Intervention effect Captan was ineffective against potato scab.
Intervention effect Folpet was ineffective against potato scab.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Daily sprinkle irrigation tended to decrease pepper yield.

Taxon: Pepper plantst0
Treatment: sprinkle irrigated dailye0
Outcome: Yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Yield tended to decrease when the plants were sprinkle irrigated daily.”
✓ located verbatim in the source · abstract, characters 363–434

t0
“Pepper plants ( Capsicum annuum L. cv. California Wonder)”
✓ located verbatim in the source · abstract, characters 9–66

Title

Sprinkle and Trickle Irrigation of Green Pepper in an Arid Zone1

D. Goldberg; M. Shmueli HortScience 1971. doi:10.21273/hortsci.6.6.559

Other claims from this paper (4)

Intervention effect Trickle irrigation gave greater pepper yield, leaf growth, and root development than sprinkle irrigation.
Intervention effect Irrigation frequency had a slight but nonsignificant effect.
Intervention effect Trickle irrigation every 5 days tended to reduce pepper yield.
Intervention effect Sprinkling increased leaf chloride content, especially with frequent irrigation.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Nitrogen did not decrease legume yield.

Taxon: tropical grass-legumet0
Treatment: Nitrogen fertilizere0
Outcome: yield of legumee0
Direction: did not decreasee0

Not reportedComparator

Verbatim

e0
“Nitrogen fertilizer did not decrease the yield of legume”
✓ located verbatim in the source · abstract, characters 613–669

t0
“tropical grass-legume”
✓ located verbatim in the source · title, characters 86–107

Title

Effects of nitrogen fertilizer applied in autumn and winter on milk production from a tropical grass-legume grazed at four stocking rates

RT Cowan; TH Stobbs Australian Journal of Experimental Agriculture and Animal Husbandry 1976. doi:10.1071/ea9760829

Other claims from this paper (7)

Intervention effect Nitrogen increased pasture yield, particularly at high stocking rates.
Intervention effect Nitrogen increased milk yield, particularly at high stocking rates.
Observation Mid-autumn to spring milk gains accounted for nearly all annual gains.
Intervention effect Nitrogen reduced pasture legume content in year two.
Association Nitrogen response of nonlegumes increased with stocking rate.
Association Lower pasture dry matter availability restricted fat-corrected milk yield.
Intervention effect At equal dry matter yield, fertilized pasture gave higher fat-corrected milk yield.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing simazino rates tended to decrease wheat yield.

Taxon: WheatTriticum aestivumt0
Treatment: Increasing rates of simazinoe1
Outcome: wheat yieldse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“it tended to decrease wheat yields”
✓ located verbatim in the source · abstract, characters 255–289

e1
“Increasing rates of simazino”
✓ located verbatim in the source · abstract, characters 180–208

t0
“Maize - Wheat Rotation”
✓ located verbatim in the source · title, characters 25–47

Title

Chemical Weed Control in Maize - Wheat Rotation in Semi Arid Tropics

SINGH H.G; SAROHA M.S; SHAKTAWAT M.S Madras Agricultural Journal 1977. doi:10.29321/maj.10.a03155

Other claims from this paper (7)

Recommendation At most 100 per cent replenishment of nitrogen removed by weeds was needed to reduce competition.
Intervention effect Increasing simazino rates significantly increased maize yield.
Recommendation Half a kilogram of pre-emergence simazine was judged the best option without harmful wheat residual effects.
Recommendation Pre- and post-emergence 2,4-D at 0.5 kg/ha with full weed nitrogen replenishment was the most beneficial treatment.
Intervention effect Simazine at half a kg/ha increased maize yield by 4.2 g/ha.
Intervention effect Simazine at half a kg/ha reduced weed dry matter production by 13.2 g/ha.
Intervention effect Simazine at half a kg/ha had no harmful effect on wheat.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Zinc sulphate and zinc oxide caused little or no decrease in tuber yield.

Taxon: potatoSolanum tuberosumt0
Treatment: zinc sulphate and zinc oxidee0
Outcome: tuber yielde0
Direction: little or no decreasee0

Not reportedComparator

Verbatim

e0
“zinc sulphate and zinc oxide caused little or no decrease in tuber yield.”
✓ located verbatim in the source · abstract, characters 1880–1953

t0
“potato mop‐top virus”
✓ located verbatim in the source · title, characters 51–71

Title

Field and glasshouse experiments on the control of potato mop‐top virus

J. I. COOPER; R. A. C. JONES; B. D. HARRISON Annals of Applied Biology 1976. doi:10.1111/j.1744-7348.1976.tb00600.x

Other claims from this paper (19)

Observation Infected mother plants passed PMTV to only some progeny tubers.
Observation Symptomless plants produced only symptomless progeny in this cultivar.
Recommendation Removing symptomatic plants was recommended to accelerate elimination of PMTV.
Intervention effect Heat treatment at 37 °C for up to 8 wk failed to free infected tubers of PMTV.
Intervention effect Formaldehyde treatment greatly decreased PMTV establishment.
Intervention effect Organo-mercurial fungicide greatly decreased PMTV establishment.
Intervention effect Fumigation with 2-aminobutane was ineffective.
Intervention effect Sulphur acidification greatly decreased infection by PMTV and S. subterranea.
Observation PMTV transmission resumed when treated soil pH rose.
Intervention effect Fungicides decreased infection of Nicotiana debneyi bait seedlings.
Intervention effect Calomel at 75 kg/ha controlled field spread of PMTV and S. subterranea to potato.
Intervention effect Zinc frit greatly decreased spread of both pathogens to potato.
Intervention effect Zinc sulphate greatly decreased spread of both pathogens to potato.
Intervention effect Zinc oxide greatly decreased spread of both pathogens to potato.
Association The zinc amount required rose with soil clay content.
Intervention effect Zinc treatment did not eliminate virus-carrying vectors from soil.
Intervention effect Zinc frit was phytotoxic due to boron content.
Intervention effect Potato tuber zinc content increased in treated plots but did not double.
Recommendation The authors recommended sulphur, zinc oxide or calomel for small early propagation plots.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

An unventilated, unenriched tomato house suffered a 13% yield decrease

Taxon: tomatoesSolanum lycopersicume1
Treatment: unenrichede3
Outcome: yielde3
Direction: decreasee3
Value: 13e3

Not reportedComparator

Verbatim

e1
“The yield of 2 crops of tomatoes ( Lycopersicon esculentum Mill. cv. Tropic) was determined in CO 2 enriched, unventilated and conventionally ventilated greenhouses”
✓ located verbatim in the source · abstract, characters 9–173

e3
“An unventilated, unenriched house suffered a 13% yield decrease”
✓ located verbatim in the source · abstract, characters 749–812

Title

Tomato Yields from CO2-enrichment in Unventilated and Conventionally Ventilated Greenhouses1

B. A. Kimball; S. T. Mitchell Journal of the American Society for Horticultural Science 1979. doi:10.21273/jashs.104.4.515

Other claims from this paper (11)

Intervention effect Unventilated houses enriched with 650 μl CO2/liter had 17% greater tomato yield than the control
Intervention effect Unventilated houses enriched with 1000 μl CO2/liter had 48% greater tomato yield than the control
Observation The ventilated control house yielded 8.58 kg/plant in the first spring crop
Observation The control house yielded 8.48 kg/plant in the second winter crop at standard nutrient level
Observation The control house yielded 9.70 kg/plant in the second winter crop at high nutrient level
Intervention effect Unventilated houses at standard nutrient level yielded 64% more than the control at 1000 μl CO2/liter
Intervention effect Unventilated houses at standard nutrient level yielded 63% more than the control at 1350 μl CO2/liter
Intervention effect Unventilated houses at high nutrient level yielded 35% more than the control at 1000 μl CO2/liter
Intervention effect Unventilated houses at high nutrient level yielded 37% more than the control at 1350 μl CO2/liter
Intervention effect A ventilated house enriched to 1000 μl/liter when cooling was not required yielded 8% more than the control at standard nutrient level
Intervention effect A ventilated house enriched to 1000 μl/liter when cooling was not required yielded 10% more than the control at high nutrient level

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Upright leaves tended to decrease grain yield below LAI 3 or 4.

Taxon: corn ( Zea mays L.)Zea mayse1
Treatment: upright leavese0
Outcome: grain yielde0
Direction: decreasee0
Qualifier: low LAI (below 3 or 4)e0

Not reportedComparator

Verbatim

e0
“At low LAI (below 3 or 4), upright leaves tended to decrease grain yield”
✓ located verbatim in the source · abstract, characters 561–633

e1
“corn ( Zea mays L.)”
✓ located verbatim in the source · abstract, characters 277–296

Title

Leaf Angle, Leaf Area, and Corn (Zea mays L.) Yield¹

S. R. Winter; A. J. Ohlrogge Agronomy Journal 1973. doi:10.2134/agronj1973.00021962006500030013x

Other claims from this paper (7)

Intervention effect Upright leaves tended to increase grain yield at LAI 5 and above.
Observation Normal canopy grain yield reached its optimum at a lower LAI than upright canopy yield.
Intervention effect At optimum LAI, upright leaves outyielded normal leaves by 0.4% in 1968.
Intervention effect At optimum LAI, upright leaves outyielded normal leaves by 5.7% in 1969.
Intervention effect At optimum LAI, upright leaves outyielded normal leaves by 5.8% in 1970.
Recommendation The authors judged upright canopies not beneficial under current Indiana production conditions.
Recommendation The authors proposed that upright leaves might raise yield if future varieties or management support higher LAI.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Aging for up to 48 d was followed by a gradual decrease in sorghum yield.

Taxon: sorghumSorghumt0
Treatment: aging of up to 48 de1
Outcome: yielde1
Direction: decreasee1

Not reportedComparator

Verbatim

e1
“this was followed by a gradual decrease in yield following aging of up to 48 d”
✓ located verbatim in the source · abstract, characters 320–398

t0
“Accelerated Aging of Sorghum Seeds”
✓ located verbatim in the source · title, characters 14–48

Title

The Effect of Accelerated Aging of Sorghum Seeds on Seedling Vigour

HAYA GELMOND; I. LURIA; L. W. WOODSTOCK; et al. Journal of Experimental Botany 1978. doi:10.1093/jxb/29.2.489

Other claims from this paper (5)

Intervention effect Aging for 6 d increased sorghum yield by 20% (seed invigoration).
Observation All sorghum seed lots showed 88–92% germination or emergence capacity in laboratory tests.
Association Seed vigour correlated poorly with laboratory germination or emergence capacity.
Association Seed vigour correlated well with laboratory rates of germination and root emergence.
Association Seed vigour correlated well with emergence rate in the field.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Use of a herbicide allowed a lower seeding rate with no decrease in sericea stand or forage yield.

Taxon: Sericea lespedezaLespedeza cuneatat0
Treatment: Use of a herbicidee3
Outcome: sericea stand or forage yielde3
Direction: no decreasee3

Not reportedComparator

Verbatim

t0
“Establishment of Sericea Lespedeza”
✓ located verbatim in the source · title, characters 0–34

e3
“Use of a herbicide permitted a reduction in seeding rate with no decrease in sericea stand or forage yield”
✓ located verbatim in the source · abstract, characters 308–414

Title

Establishment of Sericea Lespedeza

C. S. Hoveland; G. A. Buchanan; E. D. Donnelly Weed Science 1971. doi:10.1017/s0043174500048189

Other claims from this paper (6)

Intervention effect Preplant vernolate reduced grass and broadleaf weed populations in sericea lespedeza.
Intervention effect Sericea was unaffected by preplant vernolate.
Intervention effect The herbicide treatment allowed a hay cutting in the establishment year with only a minor effect on next-year production.
Intervention effect The beneficial effect of vernolate on sericea yield continued into the second year.
Intervention effect Sericea seeding rate did not affect weed competition or forage yield.
Recommendation A seeding rate of 11 kg/ha with 3.4 kg/ha vernolate is the most practical treatment.

“yield decrease”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics