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“yield decrease”

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1950 ’60 ’70 ’80 ’90 2000 ’10 ’20

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Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Reduce or withhold nitrogen at leaf-number index 70 to 90.

Taxon: Lowland Ricet0
Outcome: Decrease in supplying nitrogen or no supply of nitrogene0
Value: 70 to 90e0

Verbatim

e0
“Decrease in supplying nitrogen or no supply of nitrogen during the growth stage from 70 to 90 in "leaf-number index"”
✓ located verbatim in the source · abstract, characters 1979–2095

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 : LXVII. Studies on the principles for maximizing yield and their demonstration (1).

Seizo MATSUSHIMA; Genshichi WADA; Takayuki TANAKA; et al. Japanese Journal of Crop Science 1963. doi:10.1626/jcs.32.48

Other claims from this paper (10)

Intervention effect Water culture produced 102 kg per are of brown rice.
Recommendation The proposed ideal plant needs enough spikelets for target yield.
Recommendation The proposed ideal plant should have short culms and panicles and many culms.
Recommendation The proposed ideal plant should have short, thick, erect upper leaves and leaf-area index near five.
Recommendation The proposed ideal plant should continue nitrogen absorption after heading.
Recommendation The proposed ideal plant should retain as many green leaves per culm as possible.
Recommendation The proposed ideal plant should head in early August to allow 20 fine days after heading.
Recommendation Use healthy seedlings to secure early tillers and nitrogen uptake.
Recommendation Top dress nitrogen after PMC meiosis or at full heading to maintain postheading uptake.
Recommendation Drain soil to exclude toxic substances and improve plant health.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Adopting advanced cultivation techniques should considerably reduce rice yield losses from cool-weather damage on the Pacific coast of Aomori.

Taxon: rice plantsOryza sativae0
Treatment: adopting the advanced technique for cultivatione1
Outcome: decrease in rice yield due to the cool weather damagee1
Setting: Pacific coast in Aomori prefecturee0

Verbatim

e0
“studied the weather dependence of the growth of rice plants at the Pacific coast in Aomori prefecture”
✓ located verbatim in the source · abstract, characters 27–128

e1
“the decrease in rice yield due to the cool weather damage should be considerably reduced by adopting the advanced technique for cultivation”
✓ located verbatim in the source · abstract, characters 304–443

Title

On the Environment for Rice Plant at the Pacific Coast in Aomori Prefecture

I. ABE; K. ONO; H. HIGASHIYAMA Journal of Agricultural Meteorology 1964. doi:10.2480/agrmet.20.55

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

A spray gives a profitable yield increase when unsprayed yellows incidence is 20% at August end.

Taxon: sugar beetBeta vulgaris subsp. vulgarist0
Outcome: profitable yield increasee0
Qualifier: yellows incidence in unsprayed plots is 20 % at the end of Auguste0

Verbatim

e0
“A spray gives a profitable yield increase when yellows incidence in unsprayed plots is 20 % at the end of August.”
✓ located verbatim in the source · abstract, characters 848–961

t0
“sugar beet”
✓ located verbatim in the source · title, characters 101–111

Title

Experiments on the time of application of insecticide to decrease the spread of yellowing viruses of sugar beet, 1954‐66

R. HULL; G. D. HEATHCOTE Annals of Applied Biology 1967. doi:10.1111/j.1744-7348.1967.tb04501.x

Other claims from this paper (9)

Intervention effect Demeton-methyl sprays decreased aphid spread of yellowing viruses in sugar beet.
Intervention effect one spray changed incidence by 36–41 % during 1957–1960.
Intervention effect two sprays changed incidence by 55 % during 1957–1960.
Intervention effect one spray changed yield by 1½ during 1957–1960.
Intervention effect two sprays changed yield by 2 ton/acre during 1957–1960.
Intervention effect a spray at the time when growers were advised to spray by the British Sugar Corporation decreased yellows incidence by 37 %.
Intervention effect sprays 2 weeks earlier decreased yellows incidence by 24 %.
Intervention effect later decreased yellows incidence by 25 %.
Observation An annual average of 160000 sugar beet acres were sprayed during 1958–1966.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

For Majestic potato, control depends chiefly on prolonging haulm life to maximise tuber yield.

Taxon: potatoSolanum tuberosume0
Material: Majestice1
Outcome: prolonging the life of the haulm to ensure the maximum yield of tuberse1

Verbatim

e0
“The methods needed to decrease losses from potato blight in the variety Majestic are different from those required for King Edward”
✓ located verbatim in the source · abstract, characters 8–138

e1
“Few Majestic tubers become infected and control depends chiefly on prolonging the life of the haulm to ensure the maximum yield of tubers”
✓ located verbatim in the source · abstract, characters 140–277

Title

The epidemiology of Phytophthora infestans. IV. Spraying trials, 1959 to 1963, and the infection of tubers

J. M. HIRST; O. J. STEDMAN; J. LACEY; et al. Annals of Applied Biology 1965. doi:10.1111/j.1744-7348.1965.tb07951.x

Other claims from this paper (9)

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“yield decrease”

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