Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Infestations of western flower thrips started at 20 or 40 adults per bud significantly decreased good seed heads, seeds per head and total yield of safflower.

Taxon: safflowerCarthamus tinctoriuse0
Treatment: infestations that had started with 20 or 40 adults per bude2
Interactor: western flower thripsFrankliniella occidentalise0pest
Outcome: the number of good seed heads produced, the number of seeds per head, and the total yielde2
Direction: significantly decreasee2

Not reportedComparator

Verbatim

e0
“Trials with western flower thrips confined on growing safflower buds for 34 days”
✓ located verbatim in the source · abstract, characters 0–80

e2
“infestations that had started with 20 or 40 adults per bud did significantly decrease the number of good seed heads produced, the number of seeds per head, and the total yield”
✓ located verbatim in the source · abstract, characters 305–480

Title

Studies of damage to safflower by thrips and lygus bugs

E Carlson DOAJ (DOAJ: Directory of Open Access Journals) 1966

Other claims from this paper (4)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nitrogen fertilization reduced protein and calcium content of clover-grass forage.

Taxon: clover-grasse0
Treatment: Nitrogen fertilizatione0
Outcome: protein and calcium content in the clover-grass foragee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Nitrogen fertilization tended to decrease the per cent Ladino clover and the protein and calcium content in the clover-grass forage”
✓ located verbatim in the source · abstract, characters 572–703

Title

SOME EFFECTS OF FERTILIZATION ON THE YIELD, BOTANICAL AND CHEMICAL COMPOSITION OF IRRIGATED GRASS AND GRASS-CLOVER PASTURE SWARDS

E. H. Gardner; T. L. Jackson; G. R. Webster; et al. Canadian Journal of Plant Science 1960. doi:10.4141/cjps60-072

Other claims from this paper (15)

Observation Irrigated Ladino clover-grass outproduced grass mixture for forage, protein and mineral nutrient yield.
Observation Grass mixture required heavy nitrogen and potassium fertilization for moderate yield.
Observation High Ladino clover-grass yields did not require nitrogen fertilizer.
Intervention effect Nitrogen fertilization reduced Ladino clover proportion.
Intervention effect Nitrogen fertilization increased protein content of grass herbage.
Intervention effect Nitrogen fertilization reduced calcium content of grass herbage.
Intervention effect Nitrogen fertilization did not appreciably alter phosphorus and magnesium content of either herbage mixture.
Intervention effect Shorter intervals between nitrogen applications evened dry matter production across the season.
Intervention effect Shorter intervals between nitrogen applications did not increase seasonal yield.
Intervention effect Potassium fertilization increased yield of both pasture mixtures.
Intervention effect Potassium fertilization increased clover percentage in grass-clover sward.
Observation Multiple years of potassium applications eliminated plant potassium deficiency symptoms.
Observation Applied potassium was rapidly absorbed by plants.
Observation Grass herbage contained more potassium and phosphorus than grass-clover herbage.
Observation Grass herbage contained less calcium, magnesium and nitrogen than grass-clover herbage.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Nitrogen restriction reduced leaf blade nitrogen content markedly.

Taxon: Lowland Ricet0
Organ / stage: leaf-bladese0
Treatment: restricting the nitrogen supplye0
Outcome: nitrogen content of leaf-bladese0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“The success in restricting the nitrogen supply in the paddy field mentioned above could be recognized directly by the remarkable decrease in the nitrogen content of leaf-blades”
✓ located verbatim in the source · abstract, characters 1771–1947

t0
“Lowland Rice”
✓ located verbatim in the source · title, characters 105–117

Title

Analysis of Yield-Determining Process and Its Application to Yield-Prediction and Culture Improvement of Lowland Rice. : LXXX. An experiment on maximizing yield by controlling the plant growth to form an 'ideal plant type' by means of the application of nitrate nitrogen in an ordinary paddy field

Seizo MATSUSHIMA; Genshichi WADA; Akio MATSUZAKI Japanese Journal of Crop Science 1969. doi:10.1626/jcs.38.11

Other claims from this paper (11)

Intervention effect Early nitrate nitrogen increased rice tillers.
Observation Water exchange removed nitrate nitrogen from paddy soil at the critical period.
Intervention effect Nitrogen restriction discolored the plants.
Intervention effect Nitrogen restriction slowed increases in tiller number and dry matter.
Intervention effect Nitrogen restriction shortened leaf blades, culms and internodes at maturity.
Intervention effect The treatment improved rice plant type toward ideal.
Intervention effect Treated plots had a higher percentage of ripened grains than control.
Intervention effect Treated plots had higher grain yield than control.
Observation Treated plants had high lodging resistance.
Mechanism Shortening of lower internodes was mainly credited for lodging resistance.
Mechanism Starch accumulation in culms and sheaths was credited for high ripened grain percentage.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The number of earing tillers decreased at 1,000 ppm with four sprays.

Taxon: wheatTriticum aestivume0
Treatment: 1,000 ppm, four sprayse2
Outcome: earing tillerse1
Direction: decreasee2

Not reportedComparator

Verbatim

e0
“Plants of wheat were given two to four aqueous sprays of Mendok”
✓ located verbatim in the source · abstract, characters 9–72

e1
“greater number of earing tillers”
✓ located verbatim in the source · abstract, characters 653–685

e2
“except at 1,000 ppm, four sprays, where there was actually a decrease”
✓ located verbatim in the source · abstract, characters 687–756

Title

Increase in Yield of Wheat (Triticum aestivum L. variety ‘N.P. 718’)

H. Y. Mohan; P. N. Rustagi Agronomy Journal 1969. doi:10.2134/agronj1969.00021962006100020008x

Other claims from this paper (9)

Intervention effect Mendok sprays did not cause male or female gamete sterility in wheat.
Intervention effect At low dosages Mendok-treated wheat plants were shorter than controls.
Intervention effect At low dosages Mendok-treated wheat had stiffer straw.
Intervention effect At low dosages Mendok-treated wheat was less susceptible to lodging.
Intervention effect At low dosages Mendok-treated wheat gave a higher grain yield than controls.
Intervention effect The grain yield increase per plant was significant at 250 ppm Mendok with two and three sprays.
Intervention effect The grain yield increase on the basis of the tallest earing tiller was significant at 1,000 ppm Mendok with two, three and four sprays.
Mechanism The grain yield increase was due to a greater number of earing tillers.
Observation Mendok-treated wheat had more grains per ear, contributing to the higher grain yield.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield loss relative to late May sowing was 0.5 to 0.9 percent.

Taxon: riceOryza sativat0
Treatment: sowing timet0
Outcome: yieldse0
Direction: decreasee0
Value: 0.5 to 0.9 per cente0
Comparator: late May sowne0

Verbatim

e0
“The decrease in yields from the yields in late May sown was at the rate of 0.5 to 0.9 per cent”
✓ located verbatim in the source · abstract, characters 589–683

t0
“Studies on the Short Period Cultivation of Direct Sown Rice Plant : 4. Effect of the sowing time on the plant growth and rice yields”
✓ located verbatim in the source · title, characters 0–132

Title

Studies on the Short Period Cultivation of Direct Sown Rice Plant : 4. Effect of the sowing time on the plant growth and rice yields

Noboru IKENAGA; Rinitsu MORITA; Takeo SAITO Japanese Journal of Crop Science 1966. doi:10.1626/jcs.35.216

Other claims from this paper (15)

Intervention effect Grain yield fell with later sowing by 0.3 to 0.45 kg per are per day.
Intervention effect Delayed sowing reduced dry matter accumulation in panicles.
Intervention effect Delayed sowing impaired full ripeness.
Observation Later sowing reduced the rate of dry matter production during ripening.
Observation Net assimilation rate decreased during ripening with later sowing.
Observation Leaf dry weight decreased during ripening with later sowing.
Association Extremely early varieties had lower ripening leaf dry weight than early varieties.
Association Extremely early varieties had higher net assimilation rate than early varieties.
Observation Dry matter increase rate did not differ significantly between maturity groups.
Association Yield did not differ significantly between maturity groups across sowing dates.
Association Yukara yielded more than Sasahonami.
Association Fujiminori yielded more than Koshijiwase.
Association Sasahonami had poor ripeness.
Association Fujiminori had a high rate of dry matter increase throughout growth.
Association Yield differed little across seeding densities.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Delayed seeding shortened days from sowing to heading and ripeness.

Taxon: barleyHordeum vulgaret0
Treatment: Delayed seedinge0
Outcome: number of days from seeding to heading and to ripee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Delayed seeding resulted in increased protein; decreased yield, test weight, and plant height and a decrease in the number of days from seeding to heading and to ripe”
✓ located verbatim in the source · abstract, characters 458–624

t0
“Barley”
✓ located verbatim in the source · title, characters 36–42

Title

Effect of Seeding Date on 3 Malting Barley Varieties In North Central North Dakota

Ben K. Hoag; G. N. Geiszler 1968

Other claims from this paper (3)

Intervention effect Delayed seeding increased barley protein.
Intervention effect Delayed seeding decreased barley yield, test weight and plant height.
Intervention effect Earlier seeding required more days to emerge than late seeding.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Lime depressed tomato yield in the greenhouse experiment.

Taxon: tomatoesSolanum lycopersicume1
Treatment: limede1
Outcome: yielde1
Direction: decreaseinferrede1
Setting: greenhouse experimente1

Not reportedComparator

Verbatim

e1
“In a greenhouse experiment, tomatoes grown in muck soil limed and fertilized with phosphate in different amounts showed the depressing influence of lime on yield, P content in the plant tissue, and total P uptake by the plants”
✓ located verbatim in the source · abstract, characters 278–504

Title

Influence of Calcium on Phosphorus Availability in Muck Soil

Henryk Okruszko; G. F. Warren; G. E. Wilcox Soil Science Society of America Journal 1962. doi:10.2136/sssaj1962.03615995002600010019x

Other claims from this paper (5)

Intervention effect Addition of Ca greatly decreased the solubility of native and applied P in six muck soils.
Intervention effect Reducing the amount of Ca in the soil solution increased the solubility of P in a muck soil.
Intervention effect Lime depressed P content in the tomato plant tissue.
Intervention effect Lime depressed total P uptake by tomato plants.
Intervention effect Liming increased the Ca content in tomato plant tissue.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Manganese chelates slightly increased yield with high phosphorus and potassium rates.

Taxon: SoybeanGlycine maxt0
Treatment: Mn chelatese0
Outcome: yielde0
Direction: increasee0
Qualifier: high rates of P and Ke0

Not reportedComparator

Verbatim

e0
“Applications of Mn chelates gave a slight increase in yield on plots that received high rates of P and K and a large decrease on plots that received P only.”
✓ located verbatim in the source · abstract, characters 271–427

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

Title

Soybean Chlorosis from Heavy Fertilization¹

J. B. Weber; A. C. Caldwell Agronomy Journal 1962. doi:10.2134/agronj1962.00021962005400050016x

Other claims from this paper (5)

Intervention effect Heavy concentrated superphosphate alone caused chlorotic soybean plants.
Intervention effect Heavy concentrated superphosphate with KCl caused chlorotic soybean plants.
Observation Potassium appeared limiting for plants receiving high phosphorus rates.
Observation Manganese appeared limiting for plants receiving high rates of both phosphorus and potassium.
Intervention effect Manganese chelates greatly decreased yield on phosphorus only plots.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Straw weight decreased more with seedling age in ordinary and late culture; grain yield likewise declined after a marginal seeding date, especially with late planting and older seedlings.

Taxon: rice plantOryza sativat0
Outcome: grain yielde1
Direction: decreasee1

Verbatim

t0
“ecological variations of rice plant”
✓ located verbatim in the source · title, characters 15–50

e0
“in ordinary culture it gradually decreased and the degree was became greater in late culture”
✓ located verbatim in the source · abstract, characters 7393–7485

e1
“grain yield didn't vary in early culture but it started to decrease when seeded later than a certain date, as seeding was delayed. The variation was much greater in cases of late planting and prolongation of seedling age”
✓ located verbatim in the source · abstract, characters 7673–7893

Title

Studies on the ecological variations of rice plant under the different seasonal cultures -I. Variations of the various agronomic characteristics of rice plant under the different seasonal cultures-

Hyun-Ok Choi The Korean Journal of Crop Science 1965

Other claims from this paper (19)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Late transplanting reduced panicle number, ripened grain percentage and grain weight as heading was delayed.

Taxon: rice plantsOryza sativat0
Treatment: late transplanting cultivatione0
Outcome: percentage of ripened grains and the grain weighte0
Direction: decreasee0
Qualifier: delay of headinge0

Not reportedComparator

Verbatim

e0
“The yield of the late transplanting cultivation was the least, because of a small number of panicles and the decrease of the percentage of ripened grains and the grain weight due to the delay of heading”
✓ located verbatim in the source · abstract, characters 586–788

t0
“rice plants”
✓ located after whitespace/quote normalisation · title, characters 88–99

Title

Effects of Controlling Tiller Emergence on the Growth, Chemical Components and Yield of Rice Plants Transplanted in Different Seasons

Tetsuya HIRANO; Hiroshi SHIMADA Japanese Journal of Crop Science 1960. doi:10.1626/jcs.28.271

Other claims from this paper (8)

Intervention effect Early transplanting lowered ripened grain percentage and grain weight.
Intervention effect Early transplanting increased tiller number and gave the most panicles and highest yield per area.
Intervention effect Late transplanting gave the least yield.
Intervention effect Early transplanting with controlled tiller number improved ripened grain percentage and grain weight.
Intervention effect Early transplanting with tiller control gave the highest leaf sheath starch and sugar percentages.
Intervention effect Carbohydrate translocation to ears was easiest with early transplanting and tiller control.
Intervention effect Late transplanting gave the lowest leaf sheath starch and sugar percentages.
Intervention effect Late transplanting gave the highest leaf sheath nitrogen percentage.

“yield decrease”

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