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“yield decrease”

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Associationobservedoriginal resultmeasured

Claim · model-written summary

Crude protein, ether extract and ash decreased with maturity.

Taxon: Sorghum bicolorSorghum bicolort0
Organ / stage: maturitye0
Outcome: CP, EE and total ash contente0
Direction: decreasee0

Verbatim

e0
“There was an increase in DM, CF and NFE and decrease in CP, EE and total ash content with maturity.”
✓ located verbatim in the source · abstract, characters 710–809

t0
“Sorghum bicolor”
✓ located verbatim in the source · title, characters 74–89

Title

Yield, Chemical Composition and Nutritive Value of Improved Ramkel Jowar (Sorghum bicolor) at Different Stages of Maturity

A.S. Gampawar; D.N. Bhaiswar Indian Journal of Animal Nutrition 1985

Other claims from this paper (5)

Intervention effect Green yield at the milky stage was 553.13 q versus 396.88 q at boot.
Observation Dry matter yield at the milky stage was 179.20 q per hectare.
Association Dry matter, crude fibre and nitrogen-free extract increased with maturity.
Association Digestibility coefficients and digestible nutrients declined with maturity.
Observation Nitrogen balances at later maturity stages were positive.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

With no nitrogen fertilizer, head rice yield decreased relative to applying all nitrogen at preflood or in split applications.

Taxon: Oryza sativaOryza sativae0
Treatment: no nitrogen fertilizere1
Outcome: head rice yielde1
Direction: decreasee1
Comparator: applying all of the nitrogen at preflood or in split applicationse1

Verbatim

e0
“The effect of nitrogen fertilizer on milling quality or milling yield of rice (Oryza sativa) was tested for two cultivars, 'Lemont' and 'Newbonnet'”
✓ located verbatim in the source · abstract, characters 0–147

e1
“This was an increase in the percentage of broken kernels and a decrease in head rice yield when no nitrogen fertilizer was applied as compared to applying all of the nitrogen at preflood or in split applications”
✓ located verbatim in the source · abstract, characters 149–360

Title

Effect of Nitrogen Fertilizer on Milling Quality of Rice (Oryza sativa)

R. H. Dilday Journal of the Arkansas Academy of Science 1988

Other claims from this paper (5)

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Apparent quantum yield increased as light intensity fell.

Taxon: leaf lettucet0
Treatment: light intensitye0
Outcome: apparent quantum yielde0
Direction: increasede0

Verbatim

e0
“apparent quantum yield increased with the decrease of the light intensity”
✓ located verbatim in the source · abstract, characters 1145–1218

t0
“leaf lettuce under artificial light”
✓ located verbatim in the source · title, characters 29–64

Title

Nutrient solution culture of leaf lettuce under artificial light. II. Growth promotion induced by continuous illumination with low light intensity.

Masayuki ODA; Satoshi AOKI; Masaaki NAGAOKA; et al. Seibutsu kankyō chōsetsu/Seibutsu kankyou chousetsu 1989. doi:10.2525/ecb1963.27.75

Other claims from this paper (10)

Intervention effect Continuous illumination increased lettuce shoot fresh weight and whole-plant dry weight.
Intervention effect Continuous illumination increased lettuce stem size and chlorophyll content.
Association Lower light intensity under continuous illumination tended to increase shoot weight.
Association Lower light intensity tended to decrease root weight.
Intervention effect Higher light intensity increased largest-leaf length, specific leaf area and leaf dry-matter ratio.
Intervention effect Higher light intensity induced tipburn.
Intervention effect Continuous low-intensity illumination promoted lettuce growth without abnormality.
Association Growth promotion under continuous light was associated with high quantum yield.
Recommendation The authors suggest continuous illumination saves light energy compared with photoperiodic light at equal daily radiation.
Recommendation The authors suggest continuous light below 250 μmol⋅m-2⋅s-1 PPF promotes lettuce growth without abnormalities and saves lamp fixtures.

Mechanismobservedoriginal resultnegativemeasured

Claim · model-written summary

Economic yield responded negatively to 100 to 300 kg N·ha−1 in sugarbeet due to decreased PR.

Taxon: sugarbeetBeta vulgaris subsp. vulgarise0
Treatment: 100 to 300 kg N·ha−1e0
Outcome: Yee0
Direction: negativee0
Qualifier: decrease of PRe0

Verbatim

e0
“The change of Ye from 100 to 300 kg N·ha−1 was slightly positive in maize, potato and soybean, but was negative in rice and sugarbeet. The negative response was due to the decreases of EC and PR in rice and to the decrease of PR in sugarbeet.”
✓ located verbatim in the source · abstract, characters 1327–1569

Title

Parameters Determining Differences of Productivity and Nitrogen Response among Crops

Akira Tanaka; Junichi Yamaguchi; Hiromichi Konno Soil Science & Plant Nutrition 1985. doi:10.1080/00380768.1985.10557441

Other claims from this paper (17)

Observation Economic yield ranked sugarbeet above potato, maize, rice and soybean.
Association EC and TGD were the major yield determining parameters for rice.
Association PR was the major yield determining parameter for maize.
Association CEe, EC and TGD were the major yield determining parameters for soybean.
Association TGD was the major yield determining parameter for potato.
Association EC was the major yield determining parameter for sugarbeet.
Observation Maize had higher EC than the other crops.
Observation Potato had higher PR than the other crops.
Observation ER differed little among crops over the complete growth cycle.
Observation Light transmission ratio changed differently among crops during growth.
Observation Nitrogen response from 0 to 100 kg N·ha−1 ranked rice above maize, potato, sugarbeet and soybean.
Mechanism Nitrogen increased rice economic yield through increased ER.
Mechanism Nitrogen increased potato economic yield through increased ER.
Mechanism Nitrogen increased maize economic yield through increased EC and PR.
Mechanism Nitrogen increased sugarbeet economic yield through increased ER and EC.
Intervention effect Economic yield responded slightly positively to 100 to 300 kg N·ha−1 in maize, potato and soybean.
Mechanism Economic yield responded negatively to 100 to 300 kg N·ha−1 in rice due to decreases in EC and PR.

Mechanismauthor interpretationreview summarybasis n/a

Claim · model-written summary

Stimulation of flavonoid biosynthesis is associated with lower UV transmission.

Taxon: crop plantst0
Outcome: decreasee0
Qualifier: stimulation in flavonoid biosynthesise0

Verbatim

e0
“This decrease is primarily associated with a stimulation in flavonoid biosynthesis and is thought to be a protective, screening response to the deleterious effects of UV‐B.”
✓ located verbatim in the source · abstract, characters 1206–1378

t0
“crop plants”
✓ located verbatim in the source · title, characters 62–73

Title

Effects of ultraviolet‐B radiation on the growth and yield of crop plants

Alan H. Teramura Physiologia Plantarum 1983. doi:10.1111/j.1399-3054.1983.tb04203.x

Other claims from this paper (14)

Observation Photosystems I and II and carboxylating enzymes are sensitive to UV-B.
Observation UV-B affects stomatal resistance, chlorophyll, and soluble leaf proteins.
Observation UV-B affects lipids and carbohydrate pools.
Association Low visible radiation in growth chambers accentuates UV-B effects.
Observation UV-B affects plant anatomy and morphology.
Intervention effect UV-B commonly stunts plants and reduces leaf area and total biomass.
Intervention effect UV-B alters biomass partitioning among organs.
Observation Sensitive plants often exhibit bronzing, glazing, and chlorosis in upper leaf epidermis.
Observation Irradiated leaves have reduced epidermal UV transmission.
Observation About 30% of tested species resisted UV-B in total dry weight response.
Observation About 20% of tested species were extremely sensitive to UV-B.
Observation Remaining tested species had intermediate UV-B sensitivity.
Observation UV-B responses varied widely within species.
Method / resource Available field yield experiments have limited utility for assessing enhanced UV-B impact.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Lateral capsule dry weight fell 15% by commercial harvest.

Taxon: poppiest0
Organ / stage: lateral capsulese0
Outcome: dry weighte1
Direction: decreasee1
Value: 15%e0

Verbatim

e0
“for lateral capsules 15%”
✓ located verbatim in the source · abstract, characters 746–770

e1
“this decrease between maximum dry weight and that at the time of commercial harvest (8 weeks after full bloom)”
✓ located verbatim in the source · abstract, characters 580–690

t0
“poppies (Papaver somniferumL.)”
✓ located verbatim in the source · title, characters 57–87

Title

The effect of time of harvest on the yield components of poppies (Papaver somniferumL.)

J. C. Laughlin The Journal of Agricultural Science 1980. doi:10.1017/s0021859600088067

Other claims from this paper (11)

Observation Total plant and non-seed component dry matter peaked 2–3 weeks after full bloom, then declined.
Observation Total plant dry weight fell 26% from its maximum to commercial harvest.
Observation Terminal capsule dry weight fell 37% by commercial harvest.
Observation Stem plus leaf dry weight fell 39% by commercial harvest.
Observation Seed dry matter reached a maximum by four weeks after full bloom and remained constant.
Observation Capsule morphine concentration peaked at 1·1% six weeks after bloom.
Observation Capsule morphine concentration declined about 10% by dry harvest.
Observation Stem and leaf morphine concentration peaked at 0·1%.
Observation Stem and leaf morphine concentration halved by commercial harvest.
Observation Whole plant morphine yields were similar for harvests two to seven weeks after bloom.
Observation Whole plant harvest yielded about 50% more morphine than capsules alone at commercial harvest.

Mechanismauthor interpretationoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Gypsum decreased soil pH and increased calcium and zinc supply.

Treatment: Gypsum applicatione0
Outcome: soil pH and increase in Ca and Zn supplye0
Qualifier: significant decreasee0

Not reportedTaxon

Verbatim

e0
“Gypsum application significantly increased yield and Zn uptake in rice because of a significant decrease in soil pH and increase in Ca and Zn supply”
✓ located verbatim in the source · abstract, characters 295–443

Title

Effects of Gypsum and Zinc on Rice Nutrition on Sodic Soil

P. N. Takkar; V. K. Nayyar Experimental Agriculture 1981. doi:10.1017/s0014479700011224

Other claims from this paper (8)

Intervention effect Gypsum significantly increased rice yield.
Intervention effect Gypsum significantly increased rice zinc uptake.
Intervention effect Zinc alone significantly increased soil and plant zinc.
Intervention effect Yield under zinc alone was poorer than under gypsum alone.
Intervention effect Zinc plus gypsum markedly increased yield.
Intervention effect Zinc plus gypsum markedly increased zinc uptake.
Observation The best grain yield occurred at G 50 Zn 11 or G 25 Zn 22.
Recommendation Higher zinc rates could economize gypsum and higher gypsum rates could economize zinc.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Treatment 2 did not significantly lower DM production relative to Treatment 1.

Taxon: ryegrass/clover pasturee1
Treatment: Treatment 2e0
Outcome: DM productione0
Direction: did not show a significant decreasee0
Comparator: Treatment 1e0

Verbatim

e0
“Compared with Treatment 1, Treatment 2 did not show a significant decrease in DM production”
✓ located verbatim in the source · abstract, characters 612–703

e1
“The growth of ryegrass/clover pasture”
✓ located verbatim in the source · abstract, characters 9–46

Title

Factors influencing the yield and feeding value of pasture grown for conservation

J. A. Browse; R. M. Haslemore; R. Thaine New Zealand Journal of Crop and Horticultural Science 1984. doi:10.1080/03015521.1984.10427782

Other claims from this paper (16)

Observation Dry matter yield increased during growth within treatments.
Association Digestibility declined as dry matter yield increased.
Association Crude protein content declined as dry matter yield increased.
Intervention effect Treatment 2 produced more stem material than Treatment 1.
Intervention effect Treatment 2 digestibility was 3–12 percentage units lower than Treatment 1.
Intervention effect Treatment 2 reduced digestible dry matter yield by 15–40% relative to Treatment 1 at equal digestibility.
Observation At 70% digestibility, Treatment 2 yielded 4.8 t DM/ha per year.
Observation At 70% digestibility, Treatment 1 yielded 6.3 t DM/ha per year.
Intervention effect Treatment 3 produced a more vegetative sward than Treatments 1 and 2.
Intervention effect Treatment 3 lowered DM production relative to Treatments 1 and 2.
Intervention effect Treatment 3 lowered DDM production relative to Treatments 1 and 2.
Intervention effect Treatment 3 and Treatment 1 had similar digestibility for most of 1980–81.
Observation Late flowering Cynosurus in Treatment 3 increased early stem material in 1981–82.
Observation Digestibility was reduced in the 1981–82 Treatment 3 sward.
Observation After about 40 days, floral development completion in Treatment 3 prevented further digestibility decline.
Recommendation Early closing and cutting are recommended for high-quality conserved crops.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Tomato marketable yield tended to fall with less tillage, with respective three-year averages of 29.9, 27.0 and 26.0 MT/ha.

Taxon: tomatoSolanum lycopersicume0
Treatment: tillagee0
Outcome: Marketable tomato yieldse0
Direction: decreasee0
Value: 29.9, 27.0, and 26.0 MT/hae0
Comparator: complete-tillage, strip-tillage, and no-tillage treatmentse0

Verbatim

e0
“Marketable tomato yields tended to decrease as amount of tillage decreased. The 3-year average yields for complete-tillage, strip-tillage, and no-tillage treatments were 29.9, 27.0, and 26.0 MT/ha, respectively.”
✓ located verbatim in the source · abstract, characters 328–539

e1
“tomatoes ( Lycopersicon esculentum Mill.)”
✓ located verbatim in the source · abstract, characters 285–326

Title

Influence of Tillage, Nitrogen, and Rye Cover Crop on Growth and Yield of Tomatoes1

B. D. Doss; J. L. Turner; C. E. Evans Journal of the American Society for Horticultural Science 1981. doi:10.21273/jashs.106.1.95

Other claims from this paper (3)

Intervention effect Nitrogen rate had no consistent effect on marketable tomato yield.
Intervention effect Lower nitrogen rates yielded more in the two driest years; higher rates yielded similarly or more in the average-rainfall year.
Intervention effect No-rye plots averaged 2.2 MT/ha more marketable tomato yield than rye plots.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Terminal capsule dry weight fell 37% by commercial harvest.

Taxon: poppiest0
Organ / stage: terminal capsulese0
Outcome: dry weighte1
Direction: decreasee1
Value: 37%e0

Verbatim

e0
“for terminal capsules it was 37%”
✓ located verbatim in the source · abstract, characters 713–745

e1
“this decrease between maximum dry weight and that at the time of commercial harvest (8 weeks after full bloom)”
✓ located verbatim in the source · abstract, characters 580–690

t0
“poppies (Papaver somniferumL.)”
✓ located verbatim in the source · title, characters 57–87

Title

The effect of time of harvest on the yield components of poppies (Papaver somniferumL.)

J. C. Laughlin The Journal of Agricultural Science 1980. doi:10.1017/s0021859600088067

Other claims from this paper (11)

Observation Total plant and non-seed component dry matter peaked 2–3 weeks after full bloom, then declined.
Observation Total plant dry weight fell 26% from its maximum to commercial harvest.
Observation Lateral capsule dry weight fell 15% by commercial harvest.
Observation Stem plus leaf dry weight fell 39% by commercial harvest.
Observation Seed dry matter reached a maximum by four weeks after full bloom and remained constant.
Observation Capsule morphine concentration peaked at 1·1% six weeks after bloom.
Observation Capsule morphine concentration declined about 10% by dry harvest.
Observation Stem and leaf morphine concentration peaked at 0·1%.
Observation Stem and leaf morphine concentration halved by commercial harvest.
Observation Whole plant morphine yields were similar for harvests two to seven weeks after bloom.
Observation Whole plant harvest yielded about 50% more morphine than capsules alone at commercial harvest.

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“yield decrease”

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