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Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropping increased land equivalent ratio.

Taxon
sorghumSorghumt0
Treatment
Intercroppinge1
Outcome
Land Equivalent Ratio (LER)e0
Direction
increasee0

Not reportedComparator

Verbatim

e0

“led to increase in sorghum equivalent yield (SEY) and Land Equivalent Ratio (LER).”

✓ located verbatim in the source · abstract, characters 1634–1716
e1

“Intercropping resulted into decrease in sorghum grain yield”

✓ located verbatim in the source · abstract, characters 1569–1628
t0

“sorghum”

✓ located verbatim in the source · title, characters 39–46

Title

Effect of ridging and intercropping on sorghum productivity in arid and semi-arid lands of eastern Kenya

D. Musyimi; E.O. Ouma; E.O. Auma; et al. African Crop Science Journal 1970. doi:10.4314/acsj.v30i1.7

Other claims from this paper (8)
Observationobservedoriginal resultmeasured

Claim · model-written summary

The rate of soil K loss declined in the last three years.

Outcome
rate of decrease in available soil Ke0
Direction
decreasede0
Qualifier
last three yearse0

Verbatim

e0

“Available K in the 0‐to 15‐cm soil depth decreased rapidly the first three years. The rate of decrease in available soil K decreased during the last three years.”

✓ located verbatim in the source · abstract, characters 359–520
t0

“corn”

✓ located verbatim in the source · title, characters 74–78

Title

Effects of irrigation and fertilization on yield and potassium content of corn and on available potassium contents of a Davidson soil

J.A. Lutz; G.D. Jones; E.B. Hale Communications in Soil Science and Plant Analysis 1974. doi:10.1080/00103627409366481

Other claims from this paper (10)
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Potassium application had no significant yield effect in the other year or at the other location.

Taxon
SoybeanGlycine maxt0
Treatment
Potassium applicatione1
Outcome
yielde1
Qualifier
the other year or at the other locatione0

Not reportedComparatorDirection

Verbatim

e0

“had no significant effect in the other year or at the other location”

✓ located verbatim in the source · abstract, characters 403–471
e1

“Potassium application was related to a decrease in yield in one year at one location”

✓ located verbatim in the source · abstract, characters 314–398
t0

“Soybean (Glycine max (L.) Merr.)”

✓ located verbatim in the source · title, characters 0–32

Title

Soybean (Glycine max (L.) Merr.) yield and disease incidence with potassium fertilization

L. V. Svec; A. K. Andrews; H. W. Crittenden Communications in Soil Science and Plant Analysis 1976. doi:10.1080/00103627609366682

Other claims from this paper (7)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Weed density was a linear function of soybean yield over 0 to 15 weeds/m2 (sicklepod competition).

Taxon
soybeanGlycine maxe1
Material
Bragge2
Treatment
weed densitye1
Interactor
sicklepode2weed
Outcome
soybean yielde1
Direction
decreaseinferrede1
Qualifier
0 to 15 weeds/m 2e1

Verbatim

e1

“Weed density was a linear function of soybean yield for the densities studied (0 to 15 weeds/m 2 )”

✓ located verbatim in the source · abstract, characters 191–289
e2

“The competitive effects of sicklepod (Cassia obtusifolia L.) on soybeans (Glycine max L. ‘Bragg’)”

✓ located verbatim in the source · abstract, characters 0–97

Title

Competition of Sicklepod with Soybeans

Donald L. Thurlow; Gale A. Buchanan Weed Science 1972. doi:10.1017/s0043174500035906

Other claims from this paper (6)
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Soil ammoniacal nitrogen was higher in the first-year plot than in the long-term plot in the early upland stage.

Treatment
first year plote3
Outcome
amount of ammoniacal nitrogene3
Direction
highere3
Qualifier
in the early stage of upland conditione3
Comparator
long term plote3

Verbatim

t0

“Rice Yield Decrease”

✓ located verbatim in the source · title, characters 25–44
e3

“In the first year plot, the amount of ammoniacal nitrogen was higher and the amount of nitrate nitrogen was lower than in the long term plot, in the early stage of upland condition”

✓ located verbatim in the source · abstract, characters 977–1157

Title

Studies on the Causes of Rice Yield Decrease Resulting from Continual Direct Sowing Culture : I. Effects of continual direct sowing culture on the movement of inorganic nitrogen in the soil and on the growth and yield of rice

Yoshimasa UEMURA; Akira MIYASAKA; Mutsuo MORIYA Japanese Journal of Crop Science 1971. doi:10.1626/jcs.40.449

Other claims from this paper (5)
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Soil nitrate nitrogen was lower in the first-year plot than in the long-term plot in the early upland stage.

Treatment
first year plote3
Outcome
amount of nitrate nitrogene3
Direction
lowere3
Qualifier
in the early stage of upland conditione3
Comparator
long term plote3

Verbatim

t0

“Rice Yield Decrease”

✓ located verbatim in the source · title, characters 25–44
e3

“In the first year plot, the amount of ammoniacal nitrogen was higher and the amount of nitrate nitrogen was lower than in the long term plot, in the early stage of upland condition”

✓ located verbatim in the source · abstract, characters 977–1157

Title

Studies on the Causes of Rice Yield Decrease Resulting from Continual Direct Sowing Culture : I. Effects of continual direct sowing culture on the movement of inorganic nitrogen in the soil and on the growth and yield of rice

Yoshimasa UEMURA; Akira MIYASAKA; Mutsuo MORIYA Japanese Journal of Crop Science 1971. doi:10.1626/jcs.40.449

Other claims from this paper (5)
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In one experiment, retaining leaves 6–20 increased total dry matter yield by 7%.

Treatment
removing all leaves except 6–20e0
Outcome
total dry matter yield of the whole plante0
Direction
increasede0
Value
7%e0
Qualifier
in one experimente0

Not reportedComparator

Verbatim

e0

“removing all leaves except 6–20 did not decrease significantly total dry matter yield of the whole plant and in one experiment increased it by 7%”

✓ located verbatim in the source · abstract, characters 469–614
e1

“Sugar‐beet plants”

✓ located verbatim in the source · abstract, characters 8–25

Title

The effect of partial defoliation on yield of sugar beet

S. A. W. FRENCH; E. C. HUMPHRIES Annals of Applied Biology 1977. doi:10.1111/j.1744-7348.1977.tb01876.x

Other claims from this paper (5)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Greenbug numbers of about 1000 with leaf death above 2 per plant resulted in yield reduction in an early maturity grain sorghum.

Taxon
early maturity grain sorghume0
Interactor
greenbugSchizaphis graminume0pest
Outcome
yield reductione0
Direction
decreaseinferrede0
Value
ca. 1000e0
Qualifier
leaf death >2/plante0

Verbatim

e0

“Greenbug numbers of ca. 1000 and leaf death >2/plant on an early maturity grain sorghum resulted in a yield reduction”

✓ located verbatim in the source · abstract, characters 319–436

Title

Assessment of Damage by the Greenbug in Grain Sorghum Hybrids of Different Maturities

George L. Teetes; Jerry W. Johnson Journal of Economic Entomology 1974. doi:10.1093/jee/67.4.514

Other claims from this paper (2)
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Selection for early flowering changed ears/100 p.lants by 2.2 ears/100 p.lants per cycle.

Taxon
corn ( Zea mays L.)Zea mayse1
Treatment
Selectione0
Outcome
ears/100 p.lantse0
Direction
increasee0
Value
2.2 ears/100 p.lantse0

Not reportedComparator

Verbatim

e0

“Selection effect per cycle averaged: 1.1 q/ha yield increase, 2.2 ears/100 p.lants increase (1‐year data), 1.6 percentage points grain moisture decrease, 2.8% stalk breakage increase, 6.1 cm plant height decrease, 4.1 cm ear height decrease, 1.7 days less to flower, and 0.4 days less silk delay.”

✓ located verbatim in the source · abstract, characters 318–614
e1

“Seven corn ( Zea mays L.) synthetics adapted to southern Iowa”

✓ located verbatim in the source · abstract, characters 0–61

Title

Selection for Early Flowering in Corn: Seven Late Synthetics

A. F. Troyer; W. L. Brown Crop Science 1976. doi:10.2135/cropsci1976.0011183x001600060007x

Other claims from this paper (16)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Under continuous heavy grazing, the more productive grasses decreased on the prairie.

Taxon
Stipa-Bouteloua prairiee0
Treatment
continuous heavy grazinge1
Outcome
more productive grassese1
Direction
decreasee1

Not reportedComparator

Verbatim

e0

“Stipa-Bouteloua prairie was grazed by sheep at three stocking rates over a 19-year period”

✓ located verbatim in the source · abstract, characters 0–89
e1

“Under continuous heavy grazing the vegetative cover and forage yield deteriorated mainly through the large increase in blue grama and the decrease in the more productive grasses”

✓ located verbatim in the source · abstract, characters 91–268

Title

Range Vegetation and Sheep Production at Three Stocking Rates on Stipa-Bouteloua Prairie

S. Smoliak Journal of Range Management 1974. doi:10.2307/3896432

Other claims from this paper (6)

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