Search claims · PlantClaims

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Paraquat did not decrease alfalfa seed yield or thousand-seed weight.

Taxon: Medicago sativaMedicago sativat0
Treatment: Paraquate0
Outcome: seed yield and thousand-seed weighte0
Direction: did not decreasee0

Not reportedComparator

Verbatim

e0
“Paraquat did not decrease the seed yield and thousand-seed weight,and had no effect on germination rate within the appropriate concentration range.”
✓ located verbatim in the source · abstract, characters 543–690

t0
“Medicago sativa”
✓ located verbatim in the source · title, characters 73–88

Title

Effects of Drying Reagents on Seed Harvest and Production Performance of Medicago sativa

Zheng‐Wei Wang Anhui nongye kexue 2012

Other claims from this paper (9)

Intervention effect Paraquat concentrations increased relative water loss in alfalfa stems and leaves above 50%.
Intervention effect Paraquat accelerated alfalfa drying.
Intervention effect Paraquat had no effect on germination within the appropriate concentration range.
Intervention effect K2CO3 significantly increased alfalfa leaf loss.
Intervention effect At 5% K2CO3, stem and leaf water loss reached 16.58%.
Intervention effect K2CO3 had no adverse effect on seed yield or quality.
Intervention effect Na2SO4 increased alfalfa seed yield.
Intervention effect Na2SO4 dried alfalfa less effectively than K2CO3.
Intervention effect CaCl2 had effects similar to K2CO3 but lower overall drying effectiveness.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Sulphur dioxide did not decrease alfalfa yield under any of the conditions studied.

Taxon: alfalfaMedicago sativae0
Treatment: sulphur dioxide treatmente0
Outcome: yield of alfalfae0
Direction: no_changeinferrede0
Qualifier: under none of the conditions studiede0

Not reportedComparator

Verbatim

e0
“Under none of the conditions studied did sulphur dioxide treatment decrease the yield of alfalfa”
✓ located verbatim in the source · abstract, characters 419–515

Title

Effect of low concentrations of sulphur dioxide on yield of alfalfa and cruciferae

C. Setterstrom; P. W. Zimmerman; William Crocker OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) 1938

Other claims from this paper (9)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Phosphorus did not decrease accumulated alfalfa yield.

Taxon: alfalfaMedicago sativae0
Treatment: Phophoruse0
Outcome: accumulated yield of alfalfae0
Direction: without decreasinge0

Not reportedComparator

Verbatim

e0
“Phophorus increased yield of wheat without decreasing accumulated yield of alfalfa over 3 yr.”
✓ located verbatim in the source · abstract, characters 1030–1123

Title

Effect of N and P fertilizer on establishment of alfalfa with a wheat companion crop

S. Bittman; J. Waddington; D. A. Pulkinen Canadian Journal of Plant Science 1991. doi:10.4141/cjps91-012

Other claims from this paper (6)

Intervention effect Nitrogen increased wheat yield.
Intervention effect Nitrogen lowered companion seeded alfalfa yield to 65–95% of clear seeded alfalfa.
Association Alfalfa yield was more variable where wheat yield was high.
Observation The wheat crop yielded 1300–2600 kg per hectare.
Intervention effect The wheat crop reduced alfalfa yield by 400–2100 kg per hectare over three years.
Intervention effect Phosphorus increased wheat yield.

Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Total dry matter yield of forage, including weeds, did not decrease significantly with stand age.

Taxon: alfalfaMedicago sativae0
Material: Iroquoise0
Treatment: age of alfalfa stande4
Outcome: Total dry matter yield of foragee4
Direction: did not decreasee4

Verbatim

e0
“Iroquois alfalfa (Medicago sativa L.) was seeded every spring from 1978 to 1988”
✓ located verbatim in the source · abstract, characters 0–79

e4
“Total dry matter yield of forage, including weeds, did not decrease significantly with age of alfalfa stand”
✓ located verbatim in the source · abstract, characters 558–665

Title

Effects of stand age on agronomic, morphological and chemical characteristics of alfalfa

Michio Suzuki Canadian Journal of Plant Science 1991. doi:10.4141/cjps91-061

Other claims from this paper (16)

Observation Alfalfa population was drastically reduced in the seeding year and during the first winter.
Observation Plants per square metre decreased from about 40 in the 2nd year to 25 in the 8th year.
Association Older alfalfa stands had more grass weeds.
Association Alfalfa yield decreased with age, more evidently in cut 1 than cut 2.
Association Cold hardiness showed little or no difference among stand ages in postseeding years.
Observation Root development pattern changed from vertical extension in the seeding year to lateral branched roots in postseeding years.
Association Shoot number, crown diameter and crown decay were associated with aging.
Association Taproot diameter, root depth, and number and spread of branched roots were associated with aging.
Association Total nonstructural carbohydrate concentrations in crown and roots decreased slightly with age.
Association Root concentrations of K, Ca and B increased with age.
Association Root Fe concentration increased with age.
Association Root Ca was most closely associated with age.
Association Mineral concentrations in the crown did not change with age.
Association Crown B concentration increased slightly with age.
Association No significant association of P, Mg and S with stand age was found.
Association No significant association of Mn, Cu and Zn with stand age was found.

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

No apparent relationship was found between yield decrease and the N, P, K and B concentrations in the plants.

Taxon: corn, orchardgrass, and alfalfaMedicago sativa Dactylis glomerataZea mays subsp. mayse0
Treatment: N, P, K, and B concentrations in the plantse2
Outcome: yield decreasee2
Direction: no apparent relationshipe2

Verbatim

e0
“A greenhouse experiment was conducted with soils allegedly contaminated with airbourne dust containing Mg and Ca oxides and carbonates to study the growth and composition of corn, orchardgrass, and alfalfa plants”
✓ located verbatim in the source · abstract, characters 9–221

e2
“There was no apparent relationship between the observed yield decrease and the N, P, K, and B concentrations in the plants”
✓ located verbatim in the source · abstract, characters 422–544

Title

Growth and composition of corn, alfalfa, and orchardgrass grown on soils contaminated with airborne dust containing Ca and Mg

E.G. Beauchamp; P.E. Siitam Communications in Soil Science and Plant Analysis 1971. doi:10.1080/00103627109366308

Other claims from this paper (6)

Intervention effectauthor interpretationoriginal resultno effectmeasured

Claim · model-written summary

Sulphate of ammonia dressings did not decrease the yield of lucerne.

Taxon: lucerneMedicago sativae0
Treatment: sulphate of ammoniae0
Outcome: the yield of lucernee1
Direction: without decreasinge1

Not reportedComparator

Verbatim

e0
“An experiment, carried out to determine the effect of dressings of sulphate of ammonia on an established lucerne-cocksfoot ley grown in narrow rows on heavy gault clay soil, is described and the results discussed”
✓ located verbatim in the source · abstract, characters 0–212

e1
“The results suggest that it is possible to increase the yields of grass and total produce without decreasing the yield of lucerne but that no marked increase in the yield of nitrogen per acre is to be expected”
✓ located verbatim in the source · abstract, characters 315–524

Title

Studies on lucerne and lucerne-grass leys II. The nitrogenous manuring of a lucerne-cocksfoot ley

W. J. Ridgman; F. Hanley; M. G. Barker The Journal of Agricultural Science 1955. doi:10.1017/s0021859600040508

Other claims from this paper (3)

Intervention effect Sulphate of ammonia dressings may increase yields of grass and total produce in a lucerne-cocksfoot ley.
Intervention effect No marked increase in the yield of nitrogen per acre is expected from sulphate of ammonia dressings on lucerne-cocksfoot leys.
Intervention effect February was the most effective time of applying sulphate of ammonia to the lucerne-cocksfoot ley.

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Seed set did not decline in fields with higher selfing rates.

Taxon: alfalfaMedicago sativat0
Outcome: seed sete0
Direction: did not decreasee0
Setting: fields with higher selfing ratese0

Verbatim

e0
“seed set did not decrease in fields with higher selfing rates”
✓ located verbatim in the source · abstract, characters 1058–1119

t0
“Alfalfa”
✓ located verbatim in the source · title, characters 45–52

Title

Self-Fertilization, Inbreeding, and Yield in Alfalfa Seed Production

Molly E. Dieterich Mabin; Johanne Brunet; Heathcliffe Riday; et al. Frontiers in Plant Science 2021. doi:10.3389/fpls.2021.700708

Other claims from this paper (13)

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The other seven recombinant strains produced no significant biomass increase or decrease at Hancock.

Taxon: AlfalfaMedicago sativat0
Treatment: seven other recombinant strainse0
Outcome: alfalfa biomasse0

Not reportedComparatorDirection

Verbatim

e0
“no other significant increases or decreases in alfalfa biomass were observed with the seven other recombinant strains at that site.”
✓ located verbatim in the source · abstract, characters 1655–1786

t0
“Alfalfa”
✓ located verbatim in the source · title, characters 0–7

Title

Alfalfa yield response to inoculation with recombinant strains of Rhizobium meliloti with an extra copy of dctABD and/or modified nifA expression

A H Bosworth; M K Williams; K A Albrecht; et al. Applied and Environmental Microbiology 1994. doi:10.1128/aem.60.10.3815-3832.1994

Other claims from this paper (4)

Intervention effect RMBPC-2 increased alfalfa biomass by 12.9% relative to wild-type RMBPC at the low-nitrogen site.
Intervention effect RMBPC-2 increased alfalfa biomass by 17.9% over uninoculated control at the low-nitrogen site.
Intervention effect Recombinant strains did not affect yield at three sites with high native rhizobia or soil nitrogen.
Recommendation The authors conclude RMBPC-2 can increase alfalfa yield with nitrogen limitation, low rhizobial competition, and adequate moisture.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Sulfur fertilization did not decrease the forage N/S ratio in nonirrigated alfalfa.

Taxon: alfalfaMedicago sativae0
Treatment: S fertilizatione1
Outcome: N/S ratioe0
Direction: not with the nonirrigated alfalfae0
Setting: nonirrigated alfalfae0

Not reportedComparator

Verbatim

e0
“Forage S content was significantly increased and the N/S ratio significantly decreased on the higher yielding irrigated alfalfa, but not with the nonirrigated alfalfa.”
✓ located verbatim in the source · abstract, characters 721–888

e1
“S fertilization”
✓ located verbatim in the source · abstract, characters 704–719

Title

Sulfur fertilization of two aquic hapludalf soils: I. Effect on alfalfa yield and quality

R. G. Hanson; N. Risner; S. R. Maledy Communications in Soil Science and Plant Analysis 1984. doi:10.1080/00103628409367472

Other claims from this paper (9)

Intervention effect Sulfur fertilization did not increase alfalfa yield at either site.
Observation Forage sulfur content increased significantly in irrigated alfalfa.
Observation The forage N/S ratio decreased significantly in irrigated alfalfa.
Intervention effect Sulfur fertilization did not increase forage sulfur content in nonirrigated alfalfa.
Intervention effect During a dry year, fertilization did not increase yield despite forage sulfur of 0.19% and an N/S ratio of 17.9.
Association Plant sulfur was significantly related to IVDMD, inconsistently.
Association Plant sulfur was significantly related to crude protein, inconsistently.
Association IVDMD variation was significantly related to crude protein content.
Recommendation Available sulfate sulfur of 6.7 ppm appears adequate for alfalfa on these soils.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Under most conditions sulphur dioxide had no significant effect on alfalfa yield.

Taxon: alfalfaMedicago sativae0
Treatment: sulphur dioxidee0
Outcome: yielde1
Direction: no significant effecte1
Qualifier: under most of the conditionse1

Not reportedComparator

Verbatim

e0
“Under none of the conditions studied did sulphur dioxide treatment decrease the yield of alfalfa”
✓ located verbatim in the source · abstract, characters 419–515

e1
“under most of the conditions it had no significant effect on yield”
✓ located verbatim in the source · abstract, characters 517–583

Title

Effect of low concentrations of sulphur dioxide on yield of alfalfa and cruciferae

C. Setterstrom; P. W. Zimmerman; William Crocker OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) 1938

Other claims from this paper (9)

“yield decrease”

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