Search claims · PlantClaims

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Rotation grazing at a conventional stocking rate did not decrease crested wheatgrass tillering or yield.

Taxon: crested wheatgrassAgropyron cristatume0
Treatment: short duration rotation grazing at a conventional stocking ratee0
Outcome: tillering nor yielde0
Direction: decreased neithere0

Not reportedComparator

Verbatim

e0
“short duration rotation grazing at a conventional stocking rate decreased neither tillering nor yield of crested wheatgrass”
✓ located verbatim in the source · abstract, characters 1287–1410

Title

Crested Wheatgrass and Shrub Response to Continuous or Rotational Grazing

Raymond F. Angell Journal of Range Management 1997. doi:10.2307/4002374

Other claims from this paper (10)

Intervention effect Crested wheatgrass tiller density was greatest on LOW paddocks after four years.
Intervention effect Crested wheatgrass tiller density on HIGH paddocks did not significantly differ from CONT.
Observation Large Wyoming big sagebrush density increased across years.
Intervention effect Large Wyoming big sagebrush density did not vary significantly among grazing treatments.
Intervention effect Small sagebrush density responded differently under CONT and HIGH grazing.
Intervention effect Small sagebrush density increased under HIGH relative to CONT.
Intervention effect Small sagebrush density under LOW did not differ from CONT.
Intervention effect Small sagebrush density under MED did not differ from CONT.
Intervention effect Shrub density and cover changes under LOW were similar to CONT.
Mechanism Doubled stocking rate may limit crested wheatgrass productivity over time through enhanced sagebrush seedling survival.

Mechanismobservedoriginal resultmeasured

Claim · model-written summary

The yield decrease reflected reduced pod set and harvest index.

Taxon: CowpeaVigna unguiculatat0
Outcome: decreases in pod set and harvest indexe0
Qualifier: because of decreases in pod set and harvest indexe0

Verbatim

e0
“because of decreases in pod set and harvest index”
✓ located verbatim in the source · abstract, characters 722–771

t0
“Cowpea”
✓ located verbatim in the source · title, characters 67–73

Title

Positive and Potential Negative Effects of Heat‐Tolerance Genes in Cowpea

A. M. Ismail; A. E. Hall Crop Science 1998. doi:10.2135/cropsci1998.0011183x003800020019x

Other claims from this paper (9)

Association Heat-susceptible cowpea yield fell 12% per degree above 20°C at night.
Association Heat-tolerance genes increasingly enhanced first-flush grain yield above 20°C.
Association Heat-tolerance genes enhanced pod set on main-stem nodes.
Association Heat-tolerance genes enhanced carbohydrate allocation to grain.
Association Heat-tolerance genes caused stronger dwarfing as night temperatures rose above 15°C.
Observation Dwarfing involved shorter main-stem internodes.
Observation Dwarfing involved lower shoot biomass production.
Association Heat-tolerance genes slightly increased premature senescence after the first pod flush.
Observation Second-flush grain yield correlated positively with survival after the first flush.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Infection of six soyabean cultivars with PStV caused no significant decrease in plant height, seed or seed yield for any cultivar.

Taxon: soyabeane5
Material: 6 soyabean cultivarse5
Treatment: Infectione5
Interactor: peanut stripe potyviruse0pathogen
Outcome: plant height, seed or seed yielde5
Direction: no significant decreasee5
Qualifier: for any cultivare5
Setting: field tests at Byron, Georgia, USAe0

Not reportedComparator

Verbatim

e0
“Spread of peanut stripe potyvirus (PStV) from groundnut to soyabean and the yield effects on soyabean were determined in field tests at Byron, Georgia, USA”
✓ located verbatim in the source · abstract, characters 0–155

e5
“Infection of 6 soyabean cultivars caused no significant decrease in plant height, seed or seed yield for any cultivar”
✓ located verbatim in the source · abstract, characters 613–730

Title

Spread of Peanut Stripe Virus from Peanut to Soybean and Yield Effects on Soybean

A. G. Gillaspie Plant Disease 1991. doi:10.1094/pd-75-1157

Other claims from this paper (4)

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

At 70% G, yield did not decrease significantly relative to G.

Taxon: winter wheat-summer maizee1
Treatment: 70%G-levele0
Outcome: yielde0
Direction: not decreasede0
Comparator: G levele0

Verbatim

e0
“70%G-level annual N2O emissions, when compared with the G level, had been reduced by 40% to 48%, while the yield has not decreased significantly”
✓ located verbatim in the source · abstract, characters 1194–1338

e1
“winter wheat-summer maize”
✓ located verbatim in the source · abstract, characters 174–199

Title

Insecticidas del suelo, retrospectiva y perspectivas

Fiedrich Kerz-Möhlendick Fruticultura profesional 1991. doi:10.13227/j.hjkx.202005151

Other claims from this paper (10)

Observation N2O emission peaks appeared 5-16 days after fertilization and after rainfall.
Association N2O flux was significantly positively correlated with soil temperature.
Association N2O flux was significantly positively correlated with NH4+-N content.
Intervention effect The 70% GSB treatment had the lowest N2O emissions in wheat season, maize season and annually.
Intervention effect At the same nitrogen level, straw return increased N2O emissions.
Intervention effect At the same nitrogen level, straw and biochar reduced N2O emissions.
Intervention effect Straw return significantly increased crop yield.
Intervention effect Straw and biochar significantly increased crop yield.
Intervention effect At 70% G, annual N2O emissions were reduced by 40% to 48% relative to G.
Recommendation The authors recommend a 30% nitrogen reduction with straw and biochar to retain high yields and reduce N2O emissions.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Grain N concentration decreased alongside the yield increase.

Taxon: WheatTriticum aestivumt0
Treatment: thidiazuront1
Outcome: grain N concentratione0
Direction: decreasee0

Verbatim

e0
“A decrease in grain N concentration accompanied the yield increase”
✓ located verbatim in the source · abstract, characters 375–441

t0
“Wheat”
✓ located verbatim in the source · title, characters 60–65

t1
“Thidiazuron”
✓ located verbatim in the source · title, characters 14–25

Title

The Effect of Thidiazuron on the Yield of Salinity Stressed Wheat

R. P. BECKETT; J. VAN STADEN Annals of Botany 1992. doi:10.1093/oxfordjournals.aob.a088438

Other claims from this paper (5)

Intervention effect Thidiazuron reduced yield in unstressed wheat.
Intervention effect Thidiazuron had little effect on yield in moderately stressed wheat.
Intervention effect High concentrations of thidiazuron significantly increased yield in highly stressed wheat.
Intervention effect Thidiazuron reduced spikelet and grain number in highly stressed wheat.
Intervention effect High thidiazuron concentrations increased grain weight in highly stressed wheat.

Mechanismauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

Excess fertilizer use under overly high yield goals may decrease profitability.

Taxon: CornZea mays subsp. mayst0
Outcome: decreased profitability or return on fertilizer investmente0
Qualifier: This scenarioe0

Verbatim

t0
“Corn”
✓ located verbatim in the source · title, characters 10–14

e0
“This scenario will result in reduced nutrient recovery, decreased profitability or return on fertilizer investment, and an increased potential for N loss to groundwater resources.”
✓ located verbatim in the source · abstract, characters 422–601

Title

Balancing Corn Yield Goals and N Fertilization Rates

D. L. Karlen; L. A. Kramer Proceedings of the Integrated Crop Management Conference 1991. doi:10.31274/icm-180809-380

Other claims from this paper (5)

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

In Rhizobium-treated cluster bean, 10,000 Meloidogyne javanica juveniles per kg soil were associated with a significant decrease in yield.

Taxon: cluster beanCyamopsis tetragonolobae1
Treatment: 10,000 second stage juveniles/kg soile1
Interactor: MELOIDOGYNE JAVANICAMeloidogyne javanicat0pest
Second interactor: RhizobiumRhizobiume1symbiont
Outcome: yielde1
Direction: decreasee1

Verbatim

e1
“In cluster bean, a significant decrease in yield was associated with 10,000 second stage juveniles/kg soil in Rhizobium-treated plants, whereas 1,000 juveniles decreased the yield, fresh shoot weight and length significantly in untreated plants over the check”
✓ located verbatim in the source · abstract, characters 189–448

t0
“PATHOGENICITY OF MELOIDOGYNE JAVANICA IN MUNG AND CLUSTER BEANS AS AFFECTED BY RHIZOBIUM”
✓ located verbatim in the source · title, characters 0–88

Title

PATHOGENICITY OF MELOIDOGYNE JAVANICA IN MUNG AND CLUSTER BEANS AS AFFECTED BY RHIZOBIUM

M. R. Dalal Nematologia mediterranea 1996

Other claims from this paper (2)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Intercrop competition decreased carrot yield.

Taxon: CarrotsDaucus carotat0
Treatment: intercrope0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“The yield decrease due to competition from the intercrop”
✓ located verbatim in the source · abstract, characters 235–291

t0
“Carrots”
✓ located verbatim in the source · title, characters 51–58

Title

Intercropping as a Strategy for Reducing Damage to Carrots Caused by the Carrot Fly,Psila rosae(F.)

Birgitta Rämert Biological Agriculture & Horticulture 1996. doi:10.1080/01448765.1996.9754794

Other claims from this paper (5)

Intervention effect Lucerne living mulch reduced carrot fly damage.
Observation Lucerne intercrop enhanced soil nitrogen through fixation.
Intervention effect Intercropping decreased weed germination and development.
Association Competition effects were less pronounced when carrot fly populations were high.
Association Competition persisted when yield losses from the fly were low.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Extended fallow nitrogen losses decreased rice grain yield.

Taxon: riceOryza sativat0
Treatment: fallow was extendede0
Outcome: grain yielde0
Direction: decreasee0

Verbatim

t0
“rice”
✓ located verbatim in the source · title, characters 46–50

e0
“When the fallow was extended, N losses led to a decrease in grain yield.”
✓ located verbatim in the source · abstract, characters 685–757

Title

Green manuring legume pasture for aerial-sown rice

BW Dunn; HG Beecher Australian Journal of Experimental Agriculture 1994. doi:10.1071/ea9940967

Other claims from this paper (8)

Observation Green pasture could supply up to 300 kg N/ha.
Intervention effect Fallow had lower soil ammonium at flooding than incorporated pasture.
Intervention effect Green manure incorporation increased yield without nitrogen fertilizer in experiment 1.
Intervention effect Green manure incorporation reduced dry matter in experiment 2.
Intervention effect Green manure incorporation increased unfilled grain in experiment 2.
Intervention effect Land preparation did not affect dry matter or yield in experiment 3.
Observation All treatments lodged severely in experiment 3.
Association Season, soil fertility and variety interacted in their association with yield.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

A small proportion of small seed did not decrease grain yield.

Taxon: wheatTriticum aestivumt0
Treatment: small proportion of small seedse0
Outcome: grain yielde0
Direction: in no case decreasede0

Not reportedComparator

Verbatim

e0
“A small proportion of small seeds in a seedlot decreased shoot DM in two of six cases, but in no case decreased percent emergence or grain yield.”
✓ located verbatim in the source · abstract, characters 1140–1285

t0
“‘Roblin’ Wheat”
✓ located verbatim in the source · title, characters 34–48

Title

Seedling Vigor and Grain Yield of ‘Roblin’ Wheat Affected by Seed Size

Yantai Gan; Elmer H. Stobbe Agronomy Journal 1996. doi:10.2134/agronj1996.00021962008800030016x

Other claims from this paper (8)

Intervention effect Uniform large seed increased shoot dry matter in 1990 and 1991.
Intervention effect Uniform large seed did not increase shoot dry matter in 1989.
Intervention effect Uniform large seed increased yield only for early planting in cool soil in 1990.
Intervention effect A small proportion of small seed decreased shoot dry matter in two of six cases.
Intervention effect A small proportion of small seed did not decrease emergence.
Intervention effect After small seeds were removed, reduced-density seedlots yielded equivalently to the original seedlot.
Recommendation The authors recommend retaining small seeds in commercially cleaned wheat seedlots.
Recommendation The authors recommend reducing seeding rate when uniform large seeds are available.

“yield decrease”

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