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“yield decrease”

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Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

PP333 could increase or decrease yield.

Taxon: soybeanGlycine maxt0
Treatment: PP333e0
Outcome: yielde0
Direction: increase or decreasee0

Not reportedComparator

Verbatim

e0
“PP333 applied could lead to plant height reduction, leaf smaller, yield increase or decrease”
✓ located verbatim in the source · abstract, characters 1073–1168

t0
“soybean”
✓ located verbatim in the source · title, characters 49–56

Title

Effect of culture factors on growth and yield of soybean II. Effect of fertilizer application, watering, growth regulate measures on yield

Wang Wen-xiu Chinese Journal of Oil Crop Scieves 2003

Other claims from this paper (11)

Intervention effect Seedling-stage fertilizer and watering promoted middle organ growth.
Intervention effect Flowering-stage fertilizer and watering increased upper organ growth.
Intervention effect Nitrogen and phosphorus fertilizers enhanced nutrient absorption in corresponding growth-centre organs.
Intervention effect Nitrogen fertilizer increased soybean nitrogen content.
Intervention effect Nitrogen fertilizer increased soybean phosphorus content.
Intervention effect Nitrogen fertilizer increased soybean potassium content.
Association Later fertilizer application tended to raise seed protein content.
Intervention effect Fertilization from initial flowering to 10 days later produced 15.6%～24.2% higher yield than the check.
Intervention effect PP333 reduced plant height.
Intervention effect PP333 made leaves smaller.
Intervention effect Huafu increased yield by 5.8%.

Observationobservedoriginal resultmixedmeasured

Claim · model-written summary

The mean yield increase or decrease at responsive sites was 400 kg ha −1.

Taxon: soybeanGlycine maxt0
Outcome: mean yield increase or decreasee0
Value: 400 kg ha −1e0
Setting: responsive sitese0

Verbatim

e0
“The mean yield increase or decrease for responsive sites was 400 kg ha −1 .”
✓ located verbatim in the source · abstract, characters 839–914

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

Title

Soybean Yield and Nutrient Composition as Affected by Early Season Foliar Fertilization

Mazhar U. Haq; Antonio P. Mallarino Agronomy Journal 2000. doi:10.2134/agronj2000.92116x

Other claims from this paper (10)

Intervention effect Foliar fertilizer treatments significantly increased yields at some of six responsive sites.
Intervention effect Foliar fertilizer treatments significantly decreased yields at some of six responsive sites.
Intervention effect The 3–8–15 fertilizer caused no leaf damage.
Intervention effect Other fertilizers caused little or no leaf damage.
Association Leaf damage was not clearly related to yield decreases.
Intervention effect Foliar fertilization seldom increased tissue N–P–K composition, nutrient uptake, or photosynthesis at R2.
Intervention effect Foliar fertilization seldom increased plant weight at R2.
Association A combination of nutrient availability, vegetative growth, and rainfall explained 27% of variation in yield response.
Association Positive yield responses tended to occur when soil or weather reduced plant growth and nutrient availability.
Recommendation Foliar fertilization across all conditions will not offset application costs.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Delaying sowing and increasing density changed the yield of Hefeng 50 in an increase-then-decrease trend.

Taxon: soybeanGlycine maxe0
Material: Hefeng 50e0
Treatment: sowing date delayed and density increasede1
Outcome: yielde1
Direction: increase-and-then-decrease trende1

Not reportedComparator

Verbatim

e0
“New soybean variety Hefeng 50”
✓ located verbatim in the source · abstract, characters 0–29

e1
“with the sowing date delayed and density increased,the yield of Hefeng 50 showed increase-and-then-decrease trend”
✓ located verbatim in the source · abstract, characters 313–426

Title

Influence of Sowing Date and Density on Oil Content and Yield of High-oil and High-yield Soybean Variety Hefeng 50

Zhixin Wang 2009

Other claims from this paper (4)

Intervention effect Delaying the sowing date decreased the oil content of soybean Hefeng 50.
Intervention effect Planting density had no obvious influence on the oil content of soybean Hefeng 50.
Intervention effect Planting density of 25×10^4 plants/ha with a 9 May sowing date gave the highest yield of Hefeng 50.
Intervention effect Planting density of 25×10^4 plants/ha with a 9 May sowing date gave higher oil content in Hefeng 50.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

The positive effect of a green manure crop could not substitute for the yield decrease from leaving 25% of the area out of production.

Treatment: green manure crope1
Outcome: yield decreasee1
Direction: could not substitutee1

Not reportedTaxonComparator

Verbatim

e1
“The positive effect of a green manure crop could not substitute for the yield decrease from leaving 25% of the area out of produc-tion”
✓ located verbatim in the source · abstract, characters 774–908

Title

Crop production during the first course of an organic crop rotation trial in Denmark

Jørgen E. Olesen; Margrethe Askegaard; Ilse Ankær Rasmussen Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture) 2000

Other claims from this paper (3)

Intervention effect Manure significantly increased grain yield of the cereal crops in most cases.
Intervention effect The positive effects of catch crops were mainly observed in spring cereals.
Intervention effect The largest rotation yields were obtained in the crop rotation without a green manure crop.

Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

Yield first increased and then decreased as planting density increased.

Taxon: Shendou NO.2t0
Treatment: increase of planting densitye0
Outcome: yielde0
Direction: increase then decreasee0

Verbatim

e0
“With the increase of planting density,the individual development was faint,lodging heavier,the yield increase then decrease”
✓ located verbatim in the source · abstract, characters 194–317

t0
“Shendou NO.2”
✓ located verbatim in the source · title, characters 33–45

Title

Influence of Planting Density on Shendou NO.2

Xin Gao 2008

Other claims from this paper (7)

Intervention effect Individual development of Shendou NO.2 was best at 11.25 thousand plants per hm2.
Association As planting density increased, individual development weakened.
Association As planting density increased, lodging became heavier.
Intervention effect Yield was highest at 150.0 thousand plants per hm2.
Intervention effect Yield at 150.0 thousand plants per hm2 exceeded yield at 112.5 thousand plants per hm2 and at densities over 225.0 thousand plants per hm2.
Observation Yield differences over the density range 150.0 to 199.5 thousand plants per hm2 were not significant.
Recommendation The authors identified 150.0 thousand plants per hm2 as the optimum planting density.

Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

Yield of the other five soybean varieties first increased and then decreased with later sowing.

Taxon: soybeanGlycine maxt0
Material: other five varietiese0
Outcome: yielde0
Direction: increase and then decreasee0

Verbatim

e0
“the yield of the other five varieties showed increase and then decrease trend”
✓ located verbatim in the source · abstract, characters 468–545

t0
“SOYBEAN”
✓ located verbatim in the source · title, characters 77–84

Title

INFLUENCE OF SOWING DATE ON THE OIL AND YIELD OF DIFFERENT MATURITY HIGH-OIL SOYBEAN

Whang Zhi-xin 2007

Other claims from this paper (6)

Intervention effect Sowing date significantly affected soybean oil content.
Intervention effect Sowing date significantly affected soybean yield.
Association Oil content of six mid or late maturing varieties decreased significantly with later sowing.
Association Oil content of two early maturing varieties had no regular trend with later sowing.
Association Yield of three late maturing soybean varieties decreased with delayed sowing.
Recommendation Optimal sowing date can produce both high oil and high yield in high oil soybean.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Grain yield increased or decreased under WCCI.

Taxon: riceOryza sativae0 e1
Material: K you 818e0 e1
Outcome: Grain yielde0 e1
Direction: increase or decreasee0 e1

Not reportedTreatmentComparator

Verbatim

e0
“hybrid rice cultivar K you 818as material”
✓ located verbatim in the source · abstract, characters 268–309

e1
“Grain yield increase or decrease”
✓ located verbatim in the source · abstract, characters 520–552

Title

The Preliminary Research on Water Consumption,Quota of Irrigation and Drainage and Water Production Efficiency under Water-catching and Controllable Irrigation Technology of Rice

Jing Yuan Journal of Irrigation and Drainage 2009

Other claims from this paper (5)

Intervention effect Water consumption decreased by 5% to 14% under WCCI compared with continuous flooding irrigation.
Intervention effect Irrigation quota decreased by 20% to 50% under WCCI.
Intervention effect Drainage quota decreased by 25% to 70% under WCCI.
Intervention effect Water production efficiency increased evidently.
Recommendation The authors suggest WCCI would be a water-saving, environmentally protective and high-efficiency irrigation model for rice.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

With light or no stress and mulch, rice grain yield did not decrease or increased relative to conventional flooding.

Taxon: riceOryza sativae0
Treatment: light and no water stress treatments with plastic film mulchinge0
Outcome: rice grain yielde0
Direction: not decreased or even increasede0
Comparator: conventional flooding cultivatione0

Verbatim

e0
“Compared to conventional flooding cultivation,the rice grain yield was not decreased or even increased with the increased water productivity under light and no water stress treatments with plastic film mulching”
✓ located verbatim in the source · abstract, characters 420–630

Title

Effects of soil moisture on water utilization characteristics of rice (Oryza sativa).

Xinghua Lu; Wu LiangHuan; Linjiang Pang Zhongguo shuidao kexue 2009

Other claims from this paper (14)

Intervention effect Conventional flooding consumed significantly more water than non-flooding with plastic mulch.
Intervention effect Conventional flooding consumed slightly less water than flooding with plastic mulch.
Intervention effect Water productivity increased under light and no stress with mulch.
Association Cumulative water consumption, stage water consumption and consumption intensity fell as soil moisture fell.
Association Field water holding capacity and cumulative water consumption had a significant quadratic correlation.
Observation Peak stage water consumption and periodic ratio occurred at elongation and booting with no stress and mulch.
Observation Under other treatments, peak stage consumption and ratio occurred at milky ripeness.
Association As soil water fell, periodic consumption ratio fell before heading and flowering.
Association As soil water fell, periodic consumption ratio rose after heading and flowering.
Association Consumption intensity declined as soil water fell.
Association Effective panicle number and grains per panicle decreased with less moisture.
Association Rice yield declined with falling moisture and yield components.
Association Water productivity first increased and then decreased as moisture declined.
Association Rice yield and water productivity showed a quadratic correlation.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

P application had no effect or reduced tomato yield at high soil available phosphorus.

Taxon: tomatoSolanum lycopersicume0
Treatment: P applicatione0
Outcome: yielde0
Direction: no effect or decreasee0
Qualifier: high soil available phosphorus levele0

Not reportedComparator

Verbatim

e0
“P application of tomato had no effect or decrease yield with high soil available phosphorus level.”
✓ located verbatim in the source · abstract, characters 833–931

Title

Study on the effect of N,P and K fertilizer on greenhouse tomato

Ding Guang-guo Journal of Qingdao Agricultural University 2008

Other claims from this paper (9)

Observation The experimental field had 1.42 g/kg total N.
Observation The experimental field had 582 mg/kg Olsen-P.
Observation The experimental field had 473 mg/kg available K.
Intervention effect N, P and K fertilizer had no obvious yield effect when organic fertilizer was used.
Observation The NPK fertilizer interaction was reported as remarkable.
Intervention effect NK application increased yield by 14.8% in one season.
Intervention effect NK application increased yield by 13.9% in another season.
Observation PK, NK and NP treatments yielded 99.7%～111% of NPK yield.
Recommendation The authors recommend coordinated NK fertilization and reduced P application in high-fertility tomato soils.

Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

At lower nitrogen soil, yield first increased then decreased as potassium increased.

Taxon: Medicago sative L.e0
Treatment: potassiume0
Outcome: yielde0
Direction: increase at first and then decreasee0
Qualifier: lower nitrogen soile0

Verbatim

e0
“at lower nitrogen soil,the Medicago sative L.yield increases as the increasing of phosphorus dosage,but it increase at first and then decrease as the increasing of potassium”
✓ located after whitespace/quote normalisation · abstract, characters 500–673

Title

The influence of fertilizer to the yield of Medicago sative L.

Gang Cun-wu Ganhan diqu nongye yanjiu 2007

Other claims from this paper (9)

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