Search claims · PlantClaims

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Field germination of kernels increased more in Barberton than in Ashford with delay in harvest and decrease in plant population.

Taxon: GroundnutsArachis hypogaeat0
Material: Barbertone4
Treatment: delay in harvest and with decrease in plant populatione4
Outcome: Field germination of kernelse4
Direction: increasede4
Comparator: Ashforde4

Verbatim

t0
“Yield and Quality of Groundnuts in the Sudan Gezira”
✓ located verbatim in the source · title, characters 30–81

e4
“Field germination of kernels increased more in Barberton with delay in harvest and with decrease in plant population than in Ashford”
✓ located verbatim in the source · abstract, characters 701–833

Title

Agronomic Factors Influencing Yield and Quality of Groundnuts in the Sudan Gezira

W. M. Tahir; M. S. Misovic Experimental Agriculture 1967. doi:10.1017/s0014479700004099

Other claims from this paper (11)

Intervention effect Ashford outyielded Barberton at the lower densities.
Intervention effect The best pod yields were obtained at day 125 harvest at a population of 55,000–60,000 plants per acre.
Intervention effect A higher plant population depressed the pod yield of Ashford.
Intervention effect A higher plant population did not significantly change the pod yield of Barberton.
Intervention effect Mean pod and kernel weights and shelling out-turn of Barberton increased with delay in harvest.
Association Barberton had higher oil content and shelling out-turn than Ashford.
Association Barberton had a lower proportion of pods with single kernels than Ashford.
Association The highest plant population gave Barberton the best oil content in early harvests.
Association Arrangement of plants within rows at similar populations had only small effects.
Intervention effect Planting single kernels at close spacing (7·5 cm.) improved nut quality in Barberton.
Intervention effect Planting two kernels at wide spacing (15·0 cm.) improved nut quality in Ashford.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Leaf P, N, and Mn tended to decrease at higher phosphorus rates.

Taxon: TomatoSolanum lycopersicumt0
Treatment: higher rates of phosphoruse0
Outcome: P, N, and Mne0
Direction: decreasee0
Qualifier: tended toe0

Verbatim

e0
“Ca, Mg, K, P, N, and Mn tended to decrease with higher rates of phosphorus.”
✓ located verbatim in the source · abstract, characters 563–638

t0
“Tomatoes”
✓ located verbatim in the source · title, characters 34–42

Title

Yield and Nutrient Composition of Tomatoes in Relation to Soil Temperature, Moisture, and Phosphorus Levels

Glen H. Cannell; F. T. Bingham; J. C. Lingle; et al. Soil Science Society of America Journal 1963. doi:10.2136/sssaj1963.03615995002700050027x

Other claims from this paper (10)

Association Tomato yield had a curvilinear relationship with soil temperature.
Observation Tomato yields were highest at 68°F, low soil suction, and high phosphorus.
Association Tomato yields increased with decreasing soil suction.
Association Tomato yields increased with increasing phosphorus.
Association Leaf Ca, K, and P varied significantly with temperature.
Association Leaf N, Cu, and Fe varied significantly with temperature.
Association Leaf Mn and Zn varied significantly with temperature.
Association Leaf Ca, Mg, and K increased as soil moisture decreased.
Association Leaf N, Mn, and Zn increased as soil moisture decreased.
Association Leaf Ca, Mg, and K tended to decrease at higher phosphorus rates.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Phosphate application tends to decrease the reddish colour of Satsuma orange fruits.

Taxon: Satsuma orangeCitrus unshiut0
Treatment: Phosphate applicatione5
Outcome: reddish color of the fruitse5
Direction: tends to decreasee5

Verbatim

t0
“Satsuma orange”
✓ located verbatim in the source · title, characters 81–95

e5
“Phosphate application tends to decrease reddish color of the fruits”
✓ located verbatim in the source · abstract, characters 1166–1233

Title

Effect of phosphate applications on the growth, yield and fruit quality of young Satsuma orange trees on yuzu and trifoliate rootstocks

Y. ADACHI; Y. NAKAJIMA; M. HORIGANE Journal of the Japanese Society for Horticultural Science 1966. doi:10.2503/jjshs.35.98

Other claims from this paper (9)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Fruit thinning reduced the current-year yield only slightly.

Taxon: citrusCitrust0
Treatment: fruit thinninge1
Outcome: yield of the current yeare1
Direction: decreasee1
Qualifier: only slighte1

Not reportedComparator

Verbatim

t0
“alternate bearing in citrus”
✓ located verbatim in the source · title, characters 26–53

e1
“The decrease in the yield of the current year by the fruit thinning was only slight”
✓ located verbatim in the source · abstract, characters 252–335

Title

Studies on the control of alternate bearing in citrus. IV

T. IWASAKI Journal of the Japanese Society for Horticultural Science 1961. doi:10.2503/jjshs.30.103

Other claims from this paper (11)

Intervention effect Fruit thinning increased the number of flowers and the yield in the following year.
Intervention effect Fruit thinning increased total yield over the two succeeding years.
Intervention effect Annual crop amount obtained by fruit thinning was nearly equal in the two years.
Intervention effect Removing all fruits on a branch increased the number of flowers and fruit set on that branch in the following year.
Association The effect of thinning was greater on larger branches.
Association Earlier thinning, including flower thinning, produced a larger effect.
Intervention effect Thinning as late as mid-November still showed some effect.
Recommendation The appropriate time of fruit thinning for Satsuma orange is the early part of August in Okitsu.
Recommendation For Satsuma orange on trifoliate orange rootstock, the most desirable fruit-to-leaf ratio is 20 to 25 leaves per fruit.
Recommendation On Yuzu rootstock the most desirable fruit-to-leaf ratio is 15 to 20 leaves per fruit.
Intervention effect Fruit thinning did not reduce shoot number or shoot growth and mostly increased them, even when flowers increased the previous year.

Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The increase in oil of safflower seed is attributed to the decrease in hull.

Taxon: safflowerCarthamus tinctoriuse0
Outcome: increase in oile7
Qualifier: due to the decrease in hulle7

Verbatim

e0
“Three contrasting safflower varieties”
✓ located verbatim in the source · abstract, characters 0–37

e7
“The increase in oil was due to the decrease in hull”
✓ located verbatim in the source · abstract, characters 984–1035

Title

EFFECT OF DATE OF -PLANTING AND HEAD POSITION ON YIELD, OIL, PROTEIN, AND HULL CONTENT IN SAFFLOWER (CARTHAMUS TINCTORIUS L.)

Leslie Dewayne Massman UA Campus Repository (The University of Arizona) 1968

Other claims from this paper (17)

Intervention effect Highest seed, oil and protein yield was obtained by planting on January 2 or earlier in safflower.
Intervention effect Hull content increased with later planting dates in safflower.
Association Hull content was inversely related to oil content in safflower seed.
Intervention effect Protein content of the seed increased with later planting dates in safflower.
Association Protein content of the seed was inversely related to oil content in safflower.
Intervention effect Weight per 100 seeds decreased with later planting dates in safflower.
Association Weight per 100 seeds was inversely related to bushel weight in safflower.
Intervention effect Plant height of safflower decreased after the January 16 planting.
Intervention effect From primary to subsequent head positions, hull percentage of the seed decreased in safflower.
Association Hull percentage of the seed was inversely related to oil percentage across head positions in safflower.
Intervention effect Protein percentage was unchanged from primary to subsequent head positions in safflower.
Intervention effect Hull content tended to increase with later flowering dates in safflower.
Intervention effect Oil content of the seed decreased with later flowering dates in safflower.
Intervention effect Protein content increased with later flowering dates in safflower.
Intervention effect Neither oil nor protein content of the meats of safflower varied among flowering dates.
Association Temperature in degree-days tended to be negatively correlated with oil content of the meats in safflower.
Association Number of degree-days was positively correlated with protein percentage of the meats in safflower.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing nitrate decreased the yield of milk vetch markedly, with a decrease in leaf-blade starch.

Taxon: milk vetche0
Treatment: heightened concentration of nitrate nitrogene1
Outcome: yielde1
Direction: decreased markedlye1
Qualifier: accompanied by the decrease in the starch content in leaf bladese2

Not reportedComparator

Verbatim

e0
“The optimum concentration of nitrate nitrogen in culture solution was low for milk vetch”
✓ located verbatim in the source · abstract, characters 2919–3007

e1
“the yield decreased markedly according to the heightened concentration of nitrate nitrogen”
✓ located verbatim in the source · abstract, characters 3013–3103

e2
“The increasing supply of nitrate reduced the growth severely, accompanied by the decrease in the starch content in leaf blades”
✓ located verbatim in the source · abstract, characters 3211–3337

Title

Studies on the Relation between the Tolerance of Crops to Soil Acidity and That to Low pH : (15) The effects of aluminum, hydrogen ion, lime, magnecium, nitrate and nitrite of varying concentrations on the growth of Italian ryegrass and milk vetch.

Shugo CHAMURA Japanese Journal of Crop Science 1967. doi:10.1626/jcs.36.4_361

Other claims from this paper (19)

Intervention effect At pH 4.3 the yield of Italian ryegrass decreased.
Intervention effect At pH 4.3 the calcium and phosphorus percentages of Italian ryegrass dry weight were suppressed.
Intervention effect At pH 4.3 the growth of milk vetch decreased markedly.
Intervention effect At pH 4.3 the calcium and potassium percentages of milk vetch were suppressed.
Intervention effect Raising the pH of milk vetch culture from 5.3 to 6.3 decreased its yield; the inorganic matter percentage was also decreased.
Intervention effect Aluminum at 0.5 ppm inhibited the growth of milk vetch.
Intervention effect The same aluminum concentration promoted the growth of Italian ryegrass.
Intervention effect Aluminum at 5 ppm severely suppressed the dry weight percentage of phosphorus in both forage crops and strongly reduced their growth.
Observation The dry weight percentages of calcium, potassium and magnesium were suppressed in milk vetch.
Intervention effect A low concentration of both lime and magnesium was highly injurious to plant growth.
Observation The optimum calcium concentration in the culture solution was higher for milk vetch than for Italian ryegrass.
Intervention effect Increasing lime in the nutrient solution increased calcium percentage in the top of the plants.
Intervention effect Raising lime from low to standard level increased potassium percentage.
Intervention effect Lowering lime and magnesium together greatly increased the potassium percentage of Italian ryegrass.
Observation The optimum magnesium concentration in the culture solution was lower for milk vetch than for Italian ryegrass.
Intervention effect At low magnesium concentration, calcium percentage of milk vetch increased.
Intervention effect Raising magnesium from standard to high level decreased phosphorus and potassium percentages.
Intervention effect Nitrite nitrogen at 2 ppm was injurious to the growth of milk vetch.
Intervention effect The same nitrite concentration promoted the growth of Italian ryegrass.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

More irregular disposition of rice plants caused a greater decrease in grain weight per unit area.

Taxon: RiceOryza sativat0
Treatment: irregular disposition of plantse1
Outcome: grain weighte1
Direction: more decreasee1

Not reportedComparator

Verbatim

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

e1
“The more irregular disposition of plants was, the more decrease in grain weight (per unit area) was”
✓ located verbatim in the source · abstract, characters 437–536

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 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 Fujiminori, the decrease in grain weight with irregular disposition was more marked at low seeding density than at high seeding density.
Intervention effect In Manryo, the difference in the effect of irregular disposition on grain weight between spacing densities was not clear.

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The yield decrease after soil mixing is attributed to lowered availability of soil phosphorus.

Taxon: subterranean cloverTrifolium subterraneume1
Compound: soil phosphoruse2
Outcome: yield of subterranean clovere1
Qualifier: lowered availabilitye2

Verbatim

e1
“Compared with growth on undisturbed soil, uniform mixing of the surface 4 in. of pasture soils caused a decrease in the yield of subterranean clover grown in pot culture”
✓ located verbatim in the source · abstract, characters 0–169

e2
“This was shown to be due to lowered availability of the soil phosphorus and was probably brought about by sorption of the available phosphorus, which had accumulated at the soil surface, by the unsaturated subsurface soil”
✓ located verbatim in the source · abstract, characters 171–392

Title

Some effects of cultivation and waterlogging on the availability of phosphorus in pasture soils

CH Williams; JR Simpson Australian Journal of Agricultural Research 1965. doi:10.1071/ar9650413

Other claims from this paper (6)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Apple yield decreased as preplant nematode density increased.

Taxon: appleMalus domesticae0
Interactor: Pratylenchus penetransPratylenchus penetranst0pest
Outcome: yielde0
Direction: decreasee0
Qualifier: before apple seedlings were plantede0

Verbatim

e0
“there was good evidence of a decrease in yield with increased nematode density before apple seedlings were planted”
✓ located verbatim in the source · abstract, characters 128–242

t0
“Pratylenchus penetrans”
✓ located verbatim in the source · title, characters 43–65

Title

Nematodes in relation to plant growth, IV. Pratylenchus penetrans (Cobb) on orchard trees.

H. Hoestra; M. Oostenbrink Netherlands Journal of Agricultural Science 1962. doi:10.18174/njas.v10i4.17587

Other claims from this paper (5)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield decreased across additional random mating generations.

Taxon: Nicotiana tabacum L.Nicotiana tabacume1
Treatment: increased generations of random matinge0
Outcome: yielde0
Direction: decreasee0

Verbatim

e0
“A decrease in yield and narrower leaves with increased generations of random mating”
✓ located verbatim in the source · abstract, characters 339–422

e1
“Eight varieties of Nicotiana tabacum L.”
✓ located verbatim in the source · abstract, characters 0–39

Title

Effects of Random Intercrossing in a Naturally Self‐Fertilizing Species, Nicotiana tabacum L.¹

A. B. Humphrey; D. F. Matzinger; C. Clark Cockerham Crop Science 1969. doi:10.2135/cropsci1969.0011183x000900040033x

Other claims from this paper (3)

Observation Generation means indicated epistasis for six of eight traits.
Association Leaves narrowed across additional random mating generations.
Observation One generation of selection was expected to more than offset the small decline.

“yield decrease”

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