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“yield decrease”

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Intervention effectauthor interpretationreview summarynegativebasis n/a

Claim · model-written summary

Temperatures above optimum decrease cotton yield.

Taxon: cottonGossypium hirsutume0
Treatment: increase in temperatures above optimume0
Outcome: cotton yielde0
Direction: decreasee0
Comparator: optimume0

Verbatim

e0
“In contrast, increase in temperatures above optimum decrease cotton yield due to increased boll abscission and smaller boll size.”
✓ located verbatim in the source · abstract, characters 325–454

Title

Crop Responses to Elevated Carbon Dioxide and Interactions with Temperature

K. Raja Reddy; P. V. Vara Prasad; V. Gopal Kakani Journal of Crop Improvement 2005. doi:10.1300/j411v13n01_08

Other claims from this paper (10)

Intervention effect Elevated CO2 improves cotton productivity.
Intervention effect Elevated CO2 improves cotton carbon exchange rates.
Intervention effect Elevated CO2 improves cotton vegetative growth.
Intervention effect Elevated CO2 improves cotton boll number.
Intervention effect Temperatures above optimum increase cotton boll abscission.
Intervention effect Temperatures above optimum make cotton bolls smaller.
Intervention effect Doubling CO2 did not ameliorate high temperature effects on reproductive growth.
Intervention effect Doubling CO2 did not ameliorate high temperature effects on fiber quality.
Observation In future climates with warmer temperatures and elevated CO2, cotton yield will decrease.
Observation In future climates with warmer temperatures and elevated CO2, cotton quality will decrease.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Earlier MPB initiation produced the greatest lint yield decrease.

Taxon: CottonGossypium hirsutumt0
Treatment: earlier initiation of MPB applicatione0
Outcome: lint yielde0
Direction: decreasee0

Verbatim

e0
“Higher seasonal totals and earlier initiation of MPB application resulted in the greatest decrease in lint yield.”
✓ located verbatim in the source · abstract, characters 1278–1391

t0
“Cotton”
✓ located verbatim in the source · title, characters 26–32

Title

Differential Responses of Cotton Cultivars when Applying Mepiquat Pentaborate

Nathan B. O'Berry; Joel C. Faircloth; Michael A. Jones; et al. Agronomy Journal 2009. doi:10.2134/agronj2007.0333

Other claims from this paper (9)

Intervention effect FM 960 BR July height fell 25% with MPB in South Carolina in 2006.
Intervention effect DP 444 BG/RR July height fell 12% with MPB.
Intervention effect DP 555 BG/RR July height fell 13% with MPB.
Observation Actual height reductions did not differ among cultivars.
Intervention effect MPB reduced harvest height by 8 to 34%.
Intervention effect MPB reduced height-to-node ratio by 10 to 32%.
Intervention effect MPB enhanced maturity across cultivars.
Intervention effect MPB reduced lint yield by 3.7 to 8.5%.
Association Higher seasonal MPB totals produced the greatest lint yield decrease.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Reducing substrate volume per plant by one third did not considerably decrease tomato yield.

Taxon: TOMATOSolanum lycopersicumt0
Treatment: Reduction of substrate volume per plant by 1/3e0
Outcome: yielde0
Direction: without considerable yield decreasee0
Value: 1/3e0

Not reportedComparator

Verbatim

e0
“Reduction of substrate volume per plant by 1/3 without considerable yield decrease”
✓ located verbatim in the source · abstract, characters 0–82

t0
“TOMATO YIELD”
✓ located verbatim in the source · title, characters 0–12

Title

TOMATO YIELD DEPENDENT ON SUBSTRATE TYPE AND VOLUME

B. Benko; J. Borošić; B. Novak; et al. Acta Horticulturae 2008. doi:10.17660/actahortic.2008.779.57

Other claims from this paper (2)

Intervention effect Rockwool produced the highest tomato yield among the substrates.
Recommendation The authors recommend rockwool as a tomato growing substrate.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

OSIRI did not significantly decrease sugarcane yield compared with the control method.

Taxon: sugarcanet0
Treatment: OSIRIt0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“without a significant decrease in yield”
✓ located verbatim in the source · abstract, characters 1133–1172

t0
“OSIRI : a decision-marking tool for irrigation of sugarcane”
✓ located verbatim in the source · title, characters 15–74

Title

Field tests of OSIRI : a decision-marking tool for irrigation of sugarcane farms in Reunion

Jean-Louis Chopart; Lionel Le Mézo; J. Antoir; et al. Agritrop (Cirad) 2007

Other claims from this paper (5)

Method / resource OSIRI reasonably simulated actual evapotranspiration in sugarcane.
Method / resource OSIRI reasonably simulated drainage below the sugarcane root zone.
Intervention effect OSIRI saved about 26% of irrigation delivery compared with the control method.
Intervention effect OSIRI increased irrigation water productivity by 25%.
Method / resource A survey of 25 farmers found OSIRI well accepted as a valuable decision-making tool.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Excessive nitrogen could decrease pod yield.

Taxon: peanutArachis hypogaeat0
Treatment: Excessive nitrogene0
Outcome: pod yielde0
Direction: decreasinge0

Not reportedComparator

Verbatim

e0
“Excessive nitrogen,however,could decrease economic coefficient,and thus decreasing pod yield.”
✓ located verbatim in the source · abstract, characters 521–614

t0
“peanut”
✓ located verbatim in the source · title, characters 89–95

Title

Effect of nitrogen levels on yield and sucrose synthesis of leaves in different types of peanut

Minglun Wang Plant Nutrition and Fertilizing Science 2008

Other claims from this paper (10)

Intervention effect Within a certain range, nitrogen increased activity of sucrose synthesis.
Intervention effect Within a certain range, nitrogen increased sucrose content of leaves.
Intervention effect Excessive nitrogen could decrease activity of sucrose phosphate sythase.
Intervention effect Excessive nitrogen could decrease sucrose content of leaves.
Intervention effect Excessive nitrogen could decrease economic coefficient.
Intervention effect Proper nitrogen could increase pod yield.
Intervention effect Proper nitrogen could increase valid pods per plant.
Intervention effect Proper nitrogen could increase plumpness rate of pod.
Observation The optimum nitrogen rate for var.vulgaris Harz in Arachis hypogaea was N 90 kg/ha.
Observation The optimum nitrogen rate for common type peanut was N 135 kg/ha.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Overapplication of fertilizer would decrease bamboo yield.

Taxon: Phyllostachys heterocycla var. pubescensPhyllostachys edulist0
Treatment: overapplicatione1
Outcome: yielde1
Direction: decreasee1

Not reportedComparator

Verbatim

t0
“Effect of Fertilizer Application on Phyllostachys heterocycla var. pubescens with Different Site Index”
✓ located verbatim in the source · title, characters 12–114

e1
“shoot and timber yield increased,but overapplication would decrease the yield”
✓ located verbatim in the source · abstract, characters 259–336

Title

Analysis on Effect of Fertilizer Application on Phyllostachys heterocycla var. pubescens with Different Site Index

Weng Pu-jin Journal of Southwest Forestry College 2001

Other claims from this paper (3)

Intervention effect Fertilizer application increased shoot and timber yield of bamboo stands.
Intervention effect Current annual fertilizer application made a significant difference in spring shoot yield, with the highest increment in the third year.
Intervention effect A fertilizer rate of 7 500 kg/hm2 gave the highest input-output ratio, 1:17.17, in the target stands.

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.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Post-harvest residues can decrease cane yield by 4.5-13.5 tlha.

Taxon: SUGARCANEt0
Treatment: Post-harvest residuese0
Outcome: cane yielde0
Direction: decreasee0
Value: 4.5-13.5 tlhae0

Verbatim

e0
“Post-harvest residues can decrease cane yield by 4.5-13.5 tlha”
✓ located verbatim in the source · abstract, characters 95–157

t0
“SUGARCANE”
✓ located verbatim in the source · title, characters 63–72

Title

CHALLENGES OF POST-HARVEST RESIDUE MANAGEMENT IN THE LOUISIANA SUGARCANE INDUSTRY

Ryan P. Viator; Richard M. Johnson; Edward P. Richard 2005

Other claims from this paper (10)

Intervention effect Winter soil temperature was lower with residue left in place than with residue removed.
Intervention effect Winter soil moisture was higher when residue remained than when removed.
Observation Most cultivars had similar responses to residue conditions.
Intervention effect Nonremoval reduced sugar yield by 0.7 tlha compared with January residue removal.
Intervention effect Mechanical residue removal and burning produced similar yields.
Intervention effect Burning residue after January reduced sugar yield by 1.2 tlha.
Recommendation The authors recommend January removal by burning or mechanical means.
Recommendation The authors recommend mechanical removal after January.
Association Higher moisture and lower soil temperature under residues appear related to sugarcane yield losses.
Recommendation The authors consider removal especially critical during cold, wet conditions.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

ASN+DMPP alleviated the yield decrease from excessive nitrogen fertilizer.

Taxon: pakchoit0
Treatment: ASN+DMPPe0
Outcome: yield decreasee0
Direction: alleviatee0

Not reportedComparator

Verbatim

e0
“ASN+DMPP could also alleviate the yield decrease effect caused by excessive application of nitrogen fertilizers”
✓ located verbatim in the source · abstract, characters 996–1107

t0
“nitrate accumulation of pakchoi”
✓ located verbatim in the source · title, characters 77–108

Title

Influence of excessive application of nitrogen fertilizer containing DMPP on nitrate accumulation of pakchoi.

Zhang Fu-suo China Environmental Science 2005

Other claims from this paper (6)

Intervention effect ASN+DMPP reduced pakchoi nitrate content by 16.0% compared with ASN.
Intervention effect ASN+DMPP reduced pakchoi nitrate content by 14.1% compared with urea.
Intervention effect Urea+DMPP reduced pakchoi nitrate content by 7.9% compared with urea.
Intervention effect Urea+DMPP reduced pakchoi nitrate content by 7.6% compared with ASN.
Intervention effect DMPP fertilizers increased vitamin C, amino acid, soluble sugar and zinc content in pakchoi relative to conventional fertilizers.
Intervention effect Both DMPP fertilizers reduced nitrate accumulation in pakchoi stems and leaves, especially stems.

Observationauthor interpretationreview summarynegativebasis n/a

Claim · model-written summary

Watermelon blight can decrease watermelon yield and quality.

Taxon: WatermelonCitrullus lanatuse0
Outcome: watermelon yields and qualitye0
Direction: decreasee0

Verbatim

e0
“Watermelon blight,an important soil-borne and seeds-borne disease,could decrease the watermelon yields and quality”
✓ located verbatim in the source · abstract, characters 0–114

Title

Research progress on watermelon blight and its control

WU Xue-hong China Plant Protection 2007

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