Search claims · PlantClaims

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Release of 1418 parasites/ha did not decrease sugarcane borer density.

Taxon: sugarcanee1
Treatment: Release of 1418 parasites/hae0
Interactor: Diatraea saccharalisDiatraea saccharalise1pest
Second interactor: Lixophaga diatraeaee2biocontrol_agent
Outcome: host densitye0
Direction: did not decreasee0

Not reportedComparator

Verbatim

e0
“Release of 1418 parasites/ha did not decrease host density.”
✓ located verbatim in the source · abstract, characters 359–418

e1
“sugarcane borer, Diatraea saccharalis (F.)”
✓ located verbatim in the source · abstract, characters 169–211

e2
“a tachinid parasite, Lixophaga diatraeae (Townsend)”
✓ located verbatim in the source · abstract, characters 18–69

Title

Potential of Lixophaga diatraeae for Control of Diatraeae saccharalis in Louisiana124

R. M. McPherson; S. D. Hensley Journal of Economic Entomology 1976. doi:10.1093/jee/69.2.215

Other claims from this paper (6)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The relation of yield index to weed density was a curve in which the rate of yield decrease rose progressively with density.

Taxon: 水稲e0
Treatment: タイヌビエの発生本数e0
Interactor: タイヌビエe0weed
Outcome: 収量減少速度e1
Direction: 漸増e1

Not reportedComparator

Verbatim

t0
“Rice Plants”
✓ located verbatim in the source · title, characters 25–36

e0
“タイヌビエの発生本数による水稲収量”
✓ located verbatim in the source · abstract, characters 38–55

e1
“収量指数と発生本数との関係は, 発生本数の増加にともなつて, 収量減少速度の漸増する曲線として示される”
✓ located verbatim in the source · abstract, characters 258–309

Title

Studies on the Damage to Rice Plants Due to Weed Competition

Kenji NODA; Keio OZAWA; Kazunori IBARAKI Journal of Weed Science and Technology 1968. doi:10.3719/weed.1968.49

Other claims from this paper (15)

Intervention effect Barnyard grass density had almost no effect on rice plant height.
Intervention effect In plots with many barnyard grass plants, rice elongation tended to be promoted in the middle growth stage.
Intervention effect Barnyard grass markedly affected rice tiller number, with a conspicuous decrease from the middle growth stage.
Intervention effect The tiller reduction affected final panicle number.
Intervention effect The effect on rice yield became more marked as barnyard grass density increased.
Intervention effect The yield loss was greater under heavy than light fertilisation.
Intervention effect The yield loss was greater at sparse than medium and dense planting.
Association Rice yield and total barnyard grass weight were related by logY = a - bX, with Y yield index and X weed weight.
Observation The yield components contributing to yield loss from weed competition ranked panicle number, ripened grain weight, spikelets per panicle, ripening ratio.
Intervention effect In mixed rice and barnyard grass stands the production structure declined quantitatively.
Intervention effect In mixed stands rice LAI decreased.
Intervention effect In mixed stands the quantitative development of assimilating and non-assimilating parts declined.
Intervention effect In mixed stands the N content of the leaf blades decreased in the middle growth stage.
Observation Rice reached its maximum nitrogen uptake early whereas barnyard grass kept absorbing until later.
Observation The authors consider competition between the two plants for nitrogen uptake to be large up to the first half of growth.

Recommendationhypothesisoriginal resultnegativebasis n/a

Claim · model-written summary

Selecting clones on fast growth alone may decrease hybrid aspen wood density.

Taxon: hybrid aspent0
Treatment: selecting clones based on fast growth onlye6
Outcome: hybrid aspen wood densitye6
Direction: decreasee6

Verbatim

t0
“in hybrid aspen”
✓ located verbatim in the source · title, characters 97–112

e6
“selecting clones based on fast growth only may be challenging since it may lead to a decrease in hybrid aspen wood density”
✓ located verbatim in the source · abstract, characters 1224–1346

Title

Clonal variation in basic density, moisture content and heating value of wood, bark and branches in hybrid aspen

Jyrki Hytönen; Egbert Beuker; Anneli Viherä-Aarnio Silva Fennica 2018. doi:10.14214/sf.9938

Other claims from this paper (7)

Observation Hybrid aspen clones differed significantly for almost all studied wood and bark properties.
Association Wood had lower ash content than bark (0.5% vs. 3.9%).
Association Wood had lower basic density than bark (378 vs. 450 kg m).
Association Wood had lower effective heating value than bark (18.26 vs. 19.24 MJ kg).
Association Wood had higher moisture content than bark (55% vs. 49%).
Observation Values for branches were intermediate between wood and bark.
Recommendation Properties of hybrid aspen important for energy use could be improved by clonal selection.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Reducing cucumber density did not decrease weekly yield per area or total yield.

Taxon: CucumberCucumis sativust0
Treatment: reducing plant densitye0
Outcome: weekly yield per unit area and total yielde0
Direction: did not decreasee0

Not reportedComparator

Verbatim

e0
“reducing plant density did not significantly affect the photosynthesis of leaves and did not decrease weekly yield per unit area and total yield”
✓ located verbatim in the source · abstract, characters 701–845

t0
“Cucumber”
✓ located verbatim in the source · title, characters 68–76

Title

Low Plant Density Improves Fruit Quality without Affecting Yield of Cucumber in Different Cultivation Periods in Greenhouse

Xiaotao Ding; Wenfeng Nie; Tingting Qian; et al. Agronomy 2022. doi:10.3390/agronomy12061441

Other claims from this paper (9)

Association Photosynthesis and weekly yield per area varied with harvest time, mainly because of temperature and radiation.
Intervention effect Reducing cucumber density did not significantly affect leaf photosynthesis.
Intervention effect Low density gave the highest weekly and total yield per cucumber plant in all three harvest periods.
Intervention effect Low density gave the highest fraction of dry matter allocated to cucumber fruits.
Intervention effect Low density gave the highest soluble sugar, total phenol and flavonoid contents in cucumber fruits.
Intervention effect Low density gave the highest soluble protein, vitamin C and chlorophyll contents in cucumber fruits.
Intervention effect Low density gave the highest carotenoid contents in cucumber fruits.
Intervention effect Low density resulted in relatively low nitrite content in cucumber fruits.
Recommendation The authors recommend reducing cucumber density to 2.25 plants m−2 for greenhouses in Shanghai.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

In Fujiminori, the decrease in grain weight with irregular disposition was more marked at low seeding density than at high seeding density.

Taxon: RiceOryza sativat0
Material: Fujiminorie1
Treatment: low seeding densitye1
Outcome: decrease of grain weighte1
Direction: more markede1
Comparator: high onee1

Verbatim

t0
“Irregular Disposition of Rice Plant”
✓ located verbatim in the source · title, characters 14–49

e1
“In Fujiminori, decrease of grain weight with irregular disposition of plants was more marked in the case of low seeding density than in that of high one”
✓ located verbatim in the source · abstract, characters 1238–1390

Title

The Effect of Irregular Disposition of Rice Plant on Yield in Direct Sowing Culture

Masami HIMEDA; Seiichi IZUMI Japanese Journal of Crop Science 1965. doi:10.1626/jcs.33.399

Other claims from this paper (9)

Intervention effect More irregular disposition of rice plants caused a greater decrease in grain weight per unit area.
Intervention effect The decrease in grain weight with irregular disposition was more remarkable in Fujiminori than in Manryo.
Mechanism Decrease of grain weight was caused by a decrease in the number of panicles per unit area.
Association In Fujiminori, the number of panicles decreased as irregularity in plant disposition increased.
Intervention effect In Fujiminori, grain weight per panicle remained unchanged as irregularity in plant disposition increased.
Association In Manryo, grain weight per panicle increased.
Association In Manryo, the number of panicles decreased.
Intervention effect In plots of cv 30∼100 %, no decrease of grain weight was observed relative to the plot of cv 0 %.
Intervention effect In Manryo, the difference in the effect of irregular disposition on grain weight between spacing densities was not clear.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Green manure crops gave the greatest soil density decrease, 7-8%.

Taxon: spring wheatTriticum aestivumt0
Outcome: soil densitye0
Direction: decreasee0
Value: 7-8%e0

Verbatim

e0
“The greatest decrease in the soil density (7-8%) was observed in the 0-10 cm layer after green-manure crops”
✓ located verbatim in the source · abstract, characters 876–983

t0
“spring wheat”
✓ located verbatim in the source · title, characters 62–74

Title

The influence of crop rotation on soil fertility and yield of spring wheat in forest-steppe zone of the Tuva Republic

T. F. Zharova DOAJ (DOAJ: Directory of Open Access Journals) 2016

Other claims from this paper (12)

Intervention effect Green manure fallows increased humus content by 0.6-0.13%.
Observation Humus decreased by 0.46% in grain-fallow control.
Observation Labile P2O5 supply was extremely low in control and grain crop rotations in 2014.
Observation Exchange K2O supply increased in grain-fallow and manure rotations.
Observation Soil density increased insignificantly after pure fallow.
Observation Soil density decreased 3-8% in other variants.
Intervention effect After green manure, Kantegirskaya 89 yield was higher by 0.24-0.28 t/ha.
Intervention effect After green manure, Chagytay yield was higher by 0.10-0,05 t/ha.
Intervention effect Occupied fallow decreased Kantegirskaya 89 grain exit by 0.45 t/ha.
Intervention effect Green manure fallow decreased Kantegirskaya 89 grain exit by 0.69-0.73 t/ha.
Intervention effect Occupied fallow decreased Chagytay grain exit by 0.14 t/ha.
Intervention effect Green manure fallow decreased Chagytay grain exit by 0.19-0.25 t/ha.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Harvest index tended to decrease slightly as sowing density increased.

Taxon: white lupint0
Treatment: sowing densitye0
Outcome: harvest indexe0
Direction: decreasee0
Qualifier: differences were very smalle0

Not reportedComparator

Verbatim

e0
“A tendency of a harvest index decrease was detected along with an increase in the sowing density, but the differences were very small”
✓ located verbatim in the source · abstract, characters 1331–1464

t0
“White Lupin”
✓ located verbatim in the source · title, characters 17–28

Title

The Potential of White Lupin (Lupinus albus L.) Seed and BiomassYield in organic Farming

Ana Pospišil; Ksenija Ivanović; Milan Pospišil Poljoprivreda 2022. doi:10.18047/poljo.28.1.3

Other claims from this paper (10)

Association Energy had higher green mass and dry matter yield than Feodora in 2018.
Association Energy tended to give insignificantly higher yields than Feodora in 2019.
Intervention effect Green mass yield increased as sowing density rose.
Intervention effect Dry matter yield increased as sowing density rose.
Association Lupin yield was higher in 2019 than 2018 under more favorable weather.
Association Energy had significantly higher seed yield in 2018.
Intervention effect Seed yield increased with sowing density.
Intervention effect Pods per plant decreased as sowing density rose in both years.
Intervention effect Seed weight per plant decreased as sowing density rose in both years.
Intervention effect Pods and seed weight per plant were lowest at 90 seeds m-2.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Lower sowing norms reduced plant density.

Taxon: oatsAvena sativae0
Outcome: density of standing of plantse0
Direction: decreasee0

Verbatim

e0
“a decrease in the norms of sowing of oats leads to a decrease in the density of standing of plants”
✓ located verbatim in the source · abstract, characters 717–815

Title

OATS SEED APPLICATION RATE ON THE DRAINED LAND

Yu. I. Mitrofanov; О. N. Antsiferova; L. I. Petrova; et al. Vestnik of the Russian agricultural science 1970. doi:10.30850/vrsn/2018/3/56-59

Other claims from this paper (12)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

High plant density produced a decrease in green leaf area index relative to low density.

Taxon: Winter Oilseed RapeBrassica napust0
Treatment: high plant density (HPD)e0
Outcome: green leaf area indexe0
Direction: decreasee0
Comparator: low plant density (LPD)e0

Verbatim

e0
“a rapid decrease in the green leaf area index (GLAI) and chlorophyll content and a remarkable increase in malondialdehyde content in high plant density (HPD) population than did the low plant density (LPD) population”
✓ located verbatim in the source · abstract, characters 444–660

t0
“Winter Oilseed Rape (Brassica napus L.)”
✓ located verbatim in the source · title, characters 52–91

Title

Leaf Senescence, Root Morphology, and Seed Yield of Winter Oilseed Rape (Brassica napus L.) at Varying Plant Densities

Ming Li; Muhammad Shahbaz Naeem; Shafaqat Ali; et al. BioMed Research International 2017. doi:10.1155/2017/8581072

Other claims from this paper (16)

Intervention effect Increasing density first increased and then decreased seed yield.
Intervention effect Increasing density first increased and then decreased pod numbers per unit area.
Observation The optimal density was 58.5 × 10 4 plants ha −1 for both varieties.
Intervention effect High plant density produced a decrease in chlorophyll content relative to low density.
Intervention effect High plant density produced a increase in malondialdehyde content relative to low density.
Intervention effect High density had higher pod area index (PAI) after peak anthesis.
Intervention effect High density had higher pod photosynthesis after peak anthesis.
Intervention effect High density had higher radiation use efficiency (RUE) after peak anthesis.
Observation High density was associated with higher dry matter accumulation.
Observation High density was associated with higher nitrogen utilization efficiency.
Observation High density was associated with higher yield.
Intervention effect High density decreased root length.
Intervention effect High density decreased root tips.
Intervention effect High density decreased root surface area.
Intervention effect High density decreased root volume.
Recommendation The authors recommend increasing density within a certain range for high seed yield.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Neutral detergent fibre and lignin in sorghum silage tended to decrease with increasing silage density.

Taxon: sorghumSorghume0
Treatment: increasing silage densitye3
Outcome: neutral detergent fibre, lignine3
Direction: tended to decreasee3

Not reportedComparator

Verbatim

e0
“chemical and microbiological characteristics of sorghum silage”
✓ located verbatim in the source · abstract, characters 71–133

e3
“The contents of neutral detergent fibre, lignin, pH values, yeast and mould counts and the DM losses tended to decrease together with increasing silage density”
✓ located after whitespace/quote normalisation · abstract, characters 835–994

Title

Effects of ensiling density on chemical and microbiological characteristics of sorghum silage

A.H.C. Anésio; M.V. Santos; L.D. da Silva; et al. Journal of Animal and Feed Sciences 2017. doi:10.22358/jafs/69270/2017

Other claims from this paper (7)

Intervention effect Dry matter, crude protein and lactic acid bacteria count in sorghum silage tended to increase with increasing packing density.
Intervention effect Silage at 525 kg · m−3 density had the highest DM content.
Intervention effect pH values, yeast and mould counts and DM losses in sorghum silage tended to decrease with increasing silage density.
Intervention effect Organic matter, water-soluble carbohydrates and ammoniacal nitrogen in sorghum silage were not affected by silage density.
Intervention effect Acid detergent fibre, hemicellulose and cellulose in sorghum silage were not affected by silage density.
Intervention effect Nitrogen insoluble in neutral and acid detergents in sorghum silage was not affected by silage density.
Recommendation The minimum density of sorghum silage ensuring its quality is 525 kg · m−3.

“decrease in density”

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