View: List Claim type Research area Organism Taxon as written Decade Paper Weed seed distribution in different depths of soil in a crop field 16 Show all 16 → Observation observed original result measured Claim · model-written summary
A total of 33 weed species belonging to 17 families were found in the soil seed bank.
Outcomeweed species belonging to 17 families e2 Verbatim
e2 “A total of 33 weed species belonging to 17 families were found of which 23 species were broadleaved, 6 grasses and 5 sedges ”
✓ located verbatim in the source · abstract, characters 927–1050 Other claims from this paper (15) Association Weed density decreased as soil depth increased. Observation Thirty weed species (19 annual and 11 perennial, 15 families) were recorded at 0-5 cm soil depth. Observation Twenty-three weed species (15 annual and 8 perennial, 10 families) were recorded at 5-10 cm soil depth. Observation Nineteen weed species (13 annual and 6 perennial, 11 families) were recorded at 10-15 cm soil depth. Observation Of the 33 weed species, 23 were broadleaved. Observation Of the 33 weed species, 6 were grasses. Observation Of the 33 weed species, 5 were sedges. Observation Fimbristylis miliacea , Lindernia antipoda and Lindernia hyssopifolia were among the seven dominant weed species found at different soil depths.Observation Cyperus difformis , Eleusine indica and Hedyotis corimbosa were among the seven dominant weed species found at different soil depths.Observation Eclipta alba was among the seven dominant weed species found at different soil depths.Observation Annual weeds were dominant over perennial weeds at each of the three soil depths. Observation About 65% of weed seedlings emerged within two months of the start of the germination trial. Observation The remaining 35% of weed seedlings emerged within the last 4 months of the germination trial. Observation Weed species diversity between 5-10 cm and 10-15 cm depths was lower, with the highest Sorensen similarity (81%). Observation Weed species diversity between 0-5 cm and 10-15 cm depths was higher, with the lowest Sorensen similarity (69%). Observation observed original result measured Claim · model-written summary
Of the 33 weed species, 23 were broadleaved.
Verbatim
e2 “A total of 33 weed species belonging to 17 families were found of which 23 species were broadleaved, 6 grasses and 5 sedges ”
✓ located verbatim in the source · abstract, characters 927–1050 Other claims from this paper (15) Observation observed original result measured Claim · model-written summary
Of the 33 weed species, 6 were grasses.
Verbatim
e2 “A total of 33 weed species belonging to 17 families were found of which 23 species were broadleaved, 6 grasses and 5 sedges ”
✓ located verbatim in the source · abstract, characters 927–1050 Other claims from this paper (15) Spatial relationships between weed seed bank, and population and their distribution models in sugar beet crop (Beta vulgaris ) 11 Show all 11 → Method / resource observed original result positive measured Claim · model-written summary
Local distribution maps confirmed weed spot distribution .
OutcomeSpot distribution of weeds e0 Not reported Comparator
Verbatim
e0 “Spot distribution of weed s was confirmed by local distribution maps ”
✓ located verbatim in the source · abstract, characters 1340–1407 e1 “sugar beet crop (Beta vulgaris ) ”
✓ located verbatim in the source · abstract, characters 139–170 Other claims from this paper (10) Recommendation author interpretation original result positive basis n/a Claim · model-written summary
The authors suggest local weed distribution can improve management decisions.
Outcomeimprove management decisions e0 Verbatim
e0 “weed local distribution could improve management decisions and comprehension of dynamic of weed s populations ”
✓ located verbatim in the source · abstract, characters 1483–1591 e1 “sugar beet crop (Beta vulgaris ) ”
✓ located verbatim in the source · abstract, characters 139–170 Other claims from this paper (10) Observation observed original result measured Claim · model-written summary
Weed spot structure changed through the growing season.
Verbatim
e0 “Spots structure changed during the growing season ”
✓ located verbatim in the source · abstract, characters 1409–1458 e1 “sugar beet crop (Beta vulgaris ) ”
✓ located verbatim in the source · abstract, characters 139–170 Other claims from this paper (10) Effect of different weed management systems on the weed populations, and seedbank composition and distribution in tropical coconut plantations 11 Show all 11 → Intervention effect observed original result positive measured Claim · model-written summary
Glyphosate application reduced topsoil weed seed density.
Treatmentapplication of glyphosate e1 Outcomeweed seed density e0 Not reported Organ / stage Comparator
Verbatim
e0 “These methods were very effective in reducing the weed seed density in the top soil layers. ”
✓ located verbatim in the source · abstract, characters 838–929 e1 “the application of glyphosate (N‐[phosphonomethyl]‐glycine) ”
✓ located verbatim in the source · abstract, characters 419–478 e2 “soil weed seed bank in coconut plantations in the low‐country dry zone of Sri Lanka ”
✓ located verbatim in the source · abstract, characters 288–371 Other claims from this paper (10) Intervention effect observed original result positive measured Claim · model-written summary
Pueraria cover cropping reduced topsoil weed seed density.
Treatmentcover cropping with Pueraria phaseoloides e1 Outcomeweed seed density e0 Not reported Comparator
Verbatim
e0 “These methods were very effective in reducing the weed seed density in the top soil layers. ”
✓ located verbatim in the source · abstract, characters 838–929 e1 “cover cropping with Pueraria phaseoloides ”
✓ located verbatim in the source · abstract, characters 480–521 e2 “soil weed seed bank in coconut plantations in the low‐country dry zone of Sri Lanka ”
✓ located verbatim in the source · abstract, characters 288–371 Other claims from this paper (10) Intervention effect observed original result positive significant (as stated) measured Claim · model-written summary
Plowing significantly reduced topsoil weed seed bank and moved seed s deeper.
Outcomeseed bank in the top soil layers e0 Not reported Comparator
Verbatim
e0 “Plowing and harrowing significantly reduced the seed bank in the top soil layers and shifted significant numbers of weed seed s to deeper soil profiles. ”
✓ located verbatim in the source · abstract, characters 930–1081 e1 “soil weed seed bank in coconut plantations in the low‐country dry zone of Sri Lanka ”
✓ located verbatim in the source · abstract, characters 288–371 Other claims from this paper (10) Studies on Seed biology, Distribution, and Chemical Control of Smellmelon (Cucumis melo var. agrestis Naudin): An Invasive Weed 11 Show all 11 → Association observed original result negative measured Claim · model-written summary
Seed mucilage negatively affected germination.
Verbatim
e0 “mucilage of the seed negatively affected germination ”
✓ located verbatim in the source · abstract, characters 527–579 t0 “Smellmelon ”
✓ located verbatim in the source · title, characters 63–73 Other claims from this paper (10) Observation observed original result measured Claim · model-written summary
Smellmelon occurred at elevations up to 350 m above sea level.
OutcomeGeographical distribution e0 Value350 m above sea level e0 Verbatim
e0 “Geographical distribution of smellmelon occurred up to an elevation of 350 m above sea level ”
✓ located verbatim in the source · abstract, characters 651–743 Other claims from this paper (10) Intervention effect observed original result positive significant (as stated) measured Claim · model-written summary
Imazethapyr-treated smellmelon seed germinated significantly less than seed treated with bentazon.
Verbatim
e0 “Germination of seed from smellmelon plants treated with imazethapyr was significantly reduced compared with seed treated with bentazon or bentazon plus acifluorfen ”
✓ located verbatim in the source · abstract, characters 900–1063 Other claims from this paper (10) Effects of Tillage on Vertical Distribution and Viability of Weed Seed in Soil 11 Show all 11 → Observation observed original result measured Claim · model-written summary
Moldboard plowing gave a uniform distribution of weed seed in the top 19 cm of soil.
TreatmentMoldboard plowing e4 Outcomedistribution of weed seed e4 SettingArlington and Hancock, WI e0 Verbatim
t0 “Weed Seed in Soil ”
✓ located verbatim in the source · title, characters 61–78 e0 “evaluated in three tillage systems at Arlington and Hancock, WI, in 1989 and 1990 ”
✓ located verbatim in the source · abstract, characters 124–205 e4 “Moldboard plowing had uniform distribution of weed seed in the top 19 cm of soil ”
✓ located verbatim in the source · abstract, characters 512–592 Other claims from this paper (10) Association observed original result measured Claim · model-written summary
Weed seed concentration declined logarithmically with increasing depth under no-tillage.
Outcomeconcentration of weed seed e2 Qualifierlogarithmically e2 SettingArlington and Hancock, WI e0 Verbatim
t0 “Weed Seed in Soil ”
✓ located verbatim in the source · title, characters 61–78 e0 “evaluated in three tillage systems at Arlington and Hancock, WI, in 1989 and 1990 ”
✓ located verbatim in the source · abstract, characters 124–205 e2 “As depth increased, concentration of weed seed declined logarithmically in no-tillage ”
✓ located verbatim in the source · abstract, characters 314–399 Other claims from this paper (10) Association observed original result measured Claim · model-written summary
Under chisel plowing, weed seed concentration decreased linearly with depth.
Treatmentchisel plowing e3 Outcomeseed concentration e3 SettingArlington and Hancock, WI e0 Verbatim
t0 “Weed Seed in Soil ”
✓ located verbatim in the source · title, characters 61–78 e0 “evaluated in three tillage systems at Arlington and Hancock, WI, in 1989 and 1990 ”
✓ located verbatim in the source · abstract, characters 124–205 e3 “In chisel plowing, over 30% of seed were in the top 1 cm and seed concentration decreased linearly with depth ”
✓ located verbatim in the source · abstract, characters 401–510 Other claims from this paper (10) Effects of Crop and Weed Management on Density and Vertical Distribution of Weed Seeds in Soil 10 Show all 10 → Association observed original result measured Claim · model-written summary
Tillage affected the vertical distribution of weed seed s in soil.
Outcomevertical distribution of seeds e4 Verbatim
e0 “We evaluated the effect of tillage, herbicide application, and interrow cultivation on weed seed numbers in a soybean [ Glycine max (L.) Merr.]/corn ( Zea mays L.) rotation and in continuous corn ”
✓ located verbatim in the source · abstract, characters 248–443 e4 “Tillage affected vertical distribution of seed s, while the quantity of weed seed s in the top 5 cm of soil was regulated by weed control practices ”
✓ located verbatim in the source · abstract, characters 1214–1359 Other claims from this paper (9) Recommendation author interpretation original result basis n/a Claim · model-written summary
Reducing weed seed deposition could help maintain weed seed numbers in reduced tillage systems at levels similar to intensively tilled systems.
Outcomemaintaining weed seeds e7 Verbatim
e0 “We evaluated the effect of tillage, herbicide application, and interrow cultivation on weed seed numbers in a soybean [ Glycine max (L.) Merr.]/corn ( Zea mays L.) rotation and in continuous corn ”
✓ located verbatim in the source · abstract, characters 248–443 e7 “This indicates that reducing weed seed deposition could be helpful for maintaining weed seed s in reduced ”
✓ located verbatim in the source · abstract, characters 1361–1465 Other claims from this paper (9) Association observed original result no effect measured Claim · model-written summary
Tillage as a main effect rarely influenced weed seed numbers.
Outcomeweed seed numbers e0 Directionrarely influenced e3 Verbatim
e0 “We evaluated the effect of tillage, herbicide application, and interrow cultivation on weed seed numbers in a soybean [ Glycine max (L.) Merr.]/corn ( Zea mays L.) rotation and in continuous corn ”
✓ located verbatim in the source · abstract, characters 248–443 e3 “Tillage, as a main effect, rarely influenced weed seed numbers ”
✓ located verbatim in the source · abstract, characters 870–932 Other claims from this paper (9) Differences in the distribution and seed germination behaviour of populations of Bromus rigidus and Bromus diandrus in South Australia: adaptations to habitat and implications for weed management 9 Show all 9 → Intervention effect observed original result negative measured Claim · model-written summary
Light strongly inhibited seed germination of B. rigidus .
Outcomeseed germination e0 Not reported Comparator
Verbatim
e0 “Populations of B. rigidus also showed strong inhibition of seed germination when exposed to light ”
✓ located verbatim in the source · abstract, characters 1137–1234 Other claims from this paper (8) Intervention effect observed original result no effect measured Claim · model-written summary
Light did not inhibit seed germination in B. diandrus collections.
Outcomeseed germination e0 Not reported Comparator
Verbatim
e0 “This inhibitory effect of light on seed germination was not seen in the B. diandrus collections ”
✓ located verbatim in the source · abstract, characters 1236–1331 Other claims from this paper (8) Mechanism author interpretation original result negative measured Claim · model-written summary
The observed B. rigidus dormancy and light inhibition were expected to favor seed carry-over and crop colonisation.
Outcomegreater seed carry-over from one season to the next, and favour its colonisation in crops e0 QualifierGermination behaviour e0 Verbatim
e0 “Germination behaviour of B. rigidus observed in this study is expected to contribute to greater seed carry-over from one season to the next, and favour its colonisation in crops ”
✓ located verbatim in the source · abstract, characters 1970–2147 Other claims from this paper (8) Vertical Distribution of Nutsedge (Cyperus spp. L.) and Bahiagrass (Paspalum notatum L.) Seed Bank in Rice Growth Cycle 7 Show all 7 → Association observed original result measured Claim · model-written summary
Kriging maps showed the spatial distribution of weed seed s was in accordance with the seed ling germination pattern.
Outcomespatial distribution of weed seeds e3 Comparatorseedling germination pattern e3 Verbatim
e0 “Weed management in rice continues to be a major challenge ”
✓ located verbatim in the source · abstract, characters 0–57 e3 “Nevertheless, Kriging maps indicated that the spatial distribution of weed seed s was in accordance with seed ling germination pattern ”
✓ located verbatim in the source · abstract, characters 969–1101 Other claims from this paper (6) Observation observed original result measured Claim · model-written summary
Weed seed s decreased with soil depth from 0.1 to 0.3 m.
Outcomevertical distribution of weed seeds e1 Verbatim
e0 “Weed management in rice continues to be a major challenge ”
✓ located verbatim in the source · abstract, characters 0–57 e1 “The vertical distribution of weed seed s decreased by depth from 0.1 to 0.3 m, while weed pressure was the highest at the 0-0.1 m soil depth ”
✓ located verbatim in the source · abstract, characters 635–774 Other claims from this paper (6) Observation observed original result measured Claim · model-written summary
Weed pressure was highest at the 0-0.1 m soil depth.
Setting0-0.1 m soil depth e1 Verbatim
e0 “Weed management in rice continues to be a major challenge ”
✓ located verbatim in the source · abstract, characters 0–57 e1 “The vertical distribution of weed seed s decreased by depth from 0.1 to 0.3 m, while weed pressure was the highest at the 0-0.1 m soil depth ”
✓ located verbatim in the source · abstract, characters 635–774 Other claims from this paper (6) Spatial Distribution of Weed Seed Banks in the Agricultural Field and Anthropized Cerrado 7 Show all 7 → Observation observed original result positive measured Claim · model-written summary
The ordinary kriging technique made it possible to map the weed seed bank.
Treatmentordinary kriging technique e3 Outcomemap the weed seed bank e3 Verbatim
e3 “The ordinary kriging technique made it possible to map the weed seed bank and, therefore, it may work as an efficient tool in controlling weed s in agricultural fields, especially in its pre-emergence phase ”
✓ located verbatim in the source · abstract, characters 1326–1531 Other claims from this paper (6) Observation observed original result measured Claim · model-written summary
The weed seed bank showed strong spatial variability in both areas, in spots or patches for dicotyledonous and monocotyledonous plants.
Outcomespatial variability e0 Verbatim
e0 “The weed seed bank present strong spatial variability to 01 and 02, which indicates behavior in spots or in patches for both dicotyledonous and monocotyledonous plants, especially Mollugo verticillata L. and Eleusine indica (L.) Gaertn. in the experimental field, and for Richardia scabra L. and Eleusine indica (L.) Gaertn. in the anthropized cerrado ”
✓ located verbatim in the source · abstract, characters 973–1324 Other claims from this paper (6) Recommendation author interpretation original result positive basis n/a Claim · model-written summary
Kriging can assist in the recovery of native anthropized vegetation.
Taxonnative anthropized vegetation e4 Outcomerecovery of native anthropized vegetation e4 Verbatim
e4 “Furthermore, it can assist in the recovery of native anthropized vegetation ”
✓ located verbatim in the source · abstract, characters 1533–1608 Other claims from this paper (6) Seed Bank Distribution of Kongwa Weed (Astripomoea Hyoscyamoides) for Different Land Use Types in Kongwa District, Tanzania 7 Show all 7 → Association observed original result measured Claim · model-written summary
Range land had the highest Kongwa weed seed density while arable and fallow land were comparable.
Comparatorarable and fallow land e0 Verbatim
e0 “range land exhibited the highest seed density, while arable and fallow land were comparable. ”
✓ located verbatim in the source · abstract, characters 1172–1264 e1 “Astripomoea hyoscyamoides Vatke Verdc. ”
✓ located verbatim in the source · abstract, characters 123–161 Other claims from this paper (6) Association observed original result measured Claim · model-written summary
Kongwa weed seed density declined with increasing soil depth and was highest at 0-5 cm.
Qualifiertopsoil (0-5 cm) e0 Not reported Organ / stage Setting
Verbatim
e0 “The study revealed a decline in seed density with increased soil depth, with the topsoil (0-5 cm) showing the highest seed density. ”
✓ located verbatim in the source · abstract, characters 1034–1165 e1 “Astripomoea hyoscyamoides Vatke Verdc. ”
✓ located verbatim in the source · abstract, characters 123–161 Other claims from this paper (6) Observation observed original result measured Claim · model-written summary
Chigwingwili had the lowest Kongwa weed seed density in arable land, 0.33 seed s/m2.
Verbatim
e0 “Chigwingwili displayed the lowest density (0.33 seed s/m2 in arable land) ”
✓ located verbatim in the source · abstract, characters 961–1033 e1 “Astripomoea hyoscyamoides Vatke Verdc. ”
✓ located verbatim in the source · abstract, characters 123–161 Other claims from this paper (6) Lexical search (BM25). All words must match; if nothing does, any word. Organism names also match every spelling of the same organism. No semantic search yet.