fertilization · Yield · Vitis

Response of Mature Vines ofVitis LabruscaL. CV Concord to Applications of Phosphorus and Potassium over an Eight-Year Span in Pennsylvania · 1980

• positive
  NK, NPK and NP3K increased berry weight, vine capacity and fruitfulness.
• positive
  NK, NPK and NP3K increased grape yield and yield components.

Application of Poultry Manure Influences Thompson Seedless Grape Production and Soil Properties · 1988

• positive
  Grape berry yield increased 61% over the control in 1986.

  compared with the control

• positive
  Applied manure increased grape berry size in 1986, cluster number in 1985–1986 and cluster weight in 1986.
• positive
  Grape berry yield increased 26% over the control in 1985.

  compared with the control

Phosphorus fractions, movement and fertilizer requirements of grapes grown on White House soil. · 1989

• positive
  Phosphorus fertilizer increased grape yield.

cited by 1 paper here

Grape response to phosphorus fertilizer: Petiole to blade P ratio as a guide for fertilizer application · 1990

• positive
  P fertilization of grapes significantly increased plant P content and grape yield.
• no effect
  Fertilizer placement at 0, 25 or 50 cm depths had no significant effect on grape yield or on the P content of petioles or leaf blades.

cites 1 paper here

Response of `Thompson Seedless' Grapevines to Sustainable Viticultural Practices · 1995

• positive
  Cultivation with synthetic fertilizer gave the highest yields in 1992 and 1993.

Effect of Applying Special Fertilizer for Fruit Plant on Grape · 2002

• positive
  Special fertilizer produced grape yield of 36300kg, 8550kg above farmer practice.

  compared with the farmer manner

Effects of Root Pruning on Vine Growth, Flowering, and Fruit Ripening of Fertigated 'Campbell Early' Grape (Vitis labruscana B.) · 2002

• positive
  Fertigation increased cluster weight.

  compared with no fertigation

Biocontrol agents for the management of disease complex involving root-knot nematode, Meloidogyne incognita and Fusarium moniliforme on grapevine (Vitis vinifera) · 2004

• positive
  Grapevine bunch weight increased by 155.4% with FYM at 20 kg plus Pseudomonas fluorescens compared with the untreated control.

  compared with untreated control

Growth and Fruiting of Young `Concord' Grapevines in Relation to Reserve Nitrogen and Carbohydrates · 2004

• positive
  Without current nitrogen, prior fertigation raised total leaf area, yield and total dry weight.

Application of microbiological fertilizers in viticulture: Grape yield and quality of wine cv. Riesling · 2005

• positive
  Microbiological fertilizer with Azotobacter gave the highest grape yield.

Effect of humic acid (HA) compound fertilizer on the nutrient absorption and yield of grape · 2005

• positive
  At equal nutritional quantity, HA fertilizer increased grape yield.

Fertilizer Efficiency of Three Organic Manures on 'Red Globe' Grapevine · 2005

• positive
  Yangkang manure increased single cluster weight and yield.

Effect of nitrogen fertiliser on nitrogen partitioning and pool sizes in irrigated Sultana grapevines · 2006

• positive
  Nitrogen application increased fruit yield by 140% in the second season.

  compared with unfertilised

COVER CROPS AND COMPOST AMENDMENTS FOR ORGANIC GRAPE PRODUCTION · 2007

• positive
  Combining cover crops and compost supported adequate grape yield.

Influence of fertilization depth on NPK content in leaves,yield and fruit quality of grapevine · 2007

• positive
  Fertilization at 20 to 40 cm gave the highest yield.

RESEARCH OF THE ECO-ORGANIC FERTILIZER AND POTASH FERTILIZER ON GRAPE QUALITY · 2008

• positive
  Organic fertilizer application reduces production costs.

Effects of Drip Fertigation on Typical Cash Crops in Shanxi · 2008

• positive
  Grape net income increased by 19 227 Yuan per hectare.
• positive
  Grape yield increased by 22.22% under drip fertigation.

Effect of ShiMa Leaf Fertilizer on Grape · 2008

• positive
  The fertilizer increased later grape fruit yield.

Study on the Application Effect of Special Fertilizer for Drip Irrigation on Grape in Open Field · 2008

• positive
  Drip treatment 3 increased grape yield by 14.7% versus border irrigation.
• positive
  Drip treatment 2 increased grape yield by 14.9% versus border irrigation.
• positive
  Drip treatment 1 increased grape yield by 20.0% versus border irrigation.

EFFECT OF FOUR COMPOSTS ON MELOIDOGYNE INCOGNITA AND FUSARIUM SOLANI INFESTING SUPERIOR GRAPEVINE AND THEIR INFLUENCE ON YIELD PRODUCTION AND QUALITY · 2009

• positive
  Composts increased grape yield.

Using Composted Mulch in Vineyards—Effects on Grape Yield and Quality · 2010

• positive
  Mulch increased grape yield by about 1 t/ha only in low-yielding areas and under a high mulch rate (153 m3/ha).

A comparative study on the application effect of three kinds of foliar fertilizer on two varieties of grapes in Xinjiang · 2010

• positive
  Four sprays of amino acid chelated calcium liquid fertilizer gave the best effect, with a yield increase of 17.15% in Munage grape.
• positive
  Foliar spraying of three fertilizers significantly increased grape yield.
• positive
  Four sprays of amino acid chelated calcium liquid fertilizer gave the best effect, with a yield increase of 8.50% in Red Globe grape.

Application of Different Foliar Fertilizer on Three Varieties of Grapes · 2010

• positive
  Amino acid chelated calcium fertilizer increased Munage grape yield by 17.15%, outperforming other sprays.

  compared with other two fertilizer spraying treatments

• positive
  Four humic acid fertilizer sprays raised Crimson seedless grape yield by 21.26% relative to control.

  compared with the control

• positive
  Amino acid chelated calcium fertilizer increased Red globe grape yield by 8.50%, outperforming other sprays.

  compared with other two fertilizer spraying treatments

STUDIES ON THE EFFECT OF POTASSIUM AND MAGNESIUM FERTILIZATION AS WELL AS VINE LOAD ON FLAME SEEDLESS GRAPE PRODUCTIVITY · 2010

• positive
  Potassium 300 g with magnesium sulphate 60 g per vine at 60 eyes gave more clusters and yield per vine than at 40 eyes.

  compared with leaving 40 eye/vine

• positive
  Potassium 300 g with magnesium sulphate 30 g per vine at 40 eyes increased cluster and berry weight versus other fertilizer levels at 60 eyes.

  compared with the other levels of potassium or magnesium fertilization under leaving 60 eye/vine

Effect of Biofertilizers as a Partial Substitute for Nitrogen on Vegetative Growth, Yield, Fruit Quality and Leaf Mineral Content of Two Seedless Grape Cultivars I: Vegetative Growth and Yield · 2011

• positive
  Half nitrogen plus Biogen gave the highest yield parameter values.

cited by 1 paper here

Effects of Yield and Quality by Different Fertilization on ‘Zuirenxiang’ Grape · 2011

• positive
  Among them,the bags of controlled release fertilizer was the best,all observation items,including shoot diameter,single fruit weight,plant yield,soluble solids,organic acids and sugar acid ratio,were reached 9.7 mm,9.7 g,4.37 kg,21.1% and 47.85 respectively,compared with CK it improved 1.6 mm,1.9 g,0.66 kg,1.0% and 5.87 respectively,had significant difference.

  compared with CK

• positive
  Among them,the bags of controlled release fertilizer was the best,all observation items,including shoot diameter,single fruit weight,plant yield,soluble solids,organic acids and sugar acid ratio,were reached 9.7 mm,9.7 g,4.37 kg,21.1% and 47.85 respectively,compared with CK it improved 1.6 mm,1.9 g,0.66 kg,1.0% and 5.87 respectively,had significant difference.

  compared with CK

Effect of Haijingling Brand Leaf Fertilizer on the Quality and Yield of Grape · 2011

• positive
  Haijingling leaf fertilizer treatment C increased fruit length in grape.

  compared with the control

• positive
  Haijingling brand fertilizer increased grain weight of grape over the control.

  compared with the control

• positive
  Haijingling brand fertilizer increased panicle weight of grape over the control.

  compared with the control

• positive
  Haijingling leaf fertilizer treatment C gave the longest ear length in grape.

  compared with the control

Effect of Foliar Fertilizer on Grape Quality · 2011

• positive
  Foliar fertilizers increased grape fruit weight, length and breadth.

Study on Fertilizer Effect on Grape in "3414" Test · 2011

• positive
  Reasonable fertilization enhanced grape yield and income.

Effects of fertilization and irrigation on the elements of yield of the wine grape variety Vranac · 2012

• positive
  Mineral and organic fertilizers increased average cluster weight.
• positive
  Poultry manure with peat gave the highest average cluster weight.
• positive
  Cow manure produced the highest grape yield.

EFFECTS OF VARIOUS CROP LOADS AND LEAF FERTILIZER ON GRAPEVINE YIELD AND QUALITY · 2012

• positive
  Combined leaf fertilizer significantly increased juice yield and drying index.
• positive
  Combined leaf fertilizer significantly increased berry length, berry weight, and maturity index.

GRAPEVINE FE-CHLOROSIS ON PODUNAVLJE VINEGROWING AREA · 2012

• positive
  Potassium fertilization significantly increased grapevine yield relative to the control in both years

  compared with control treatment

USE OF VITREOUS FERTILIZERS WITH SLOW RELEASE OF NUTRIENTS IN VITICULTURE · 2012

• positive
  Micronutrient-containing vitreous fertilizers increased grapevine yield by 10-19% compared with chemical fertilization.

  compared with chemical fertilization

FERTILIZATION OF VINE BY A 5-AMINOLEVULINIC ACID-BASED FERTILIZER AND ITS PROFITABILITY · 2013

• positive
  Fertilization increased grape-vine yield.

Effects of Organic Fertilizers on Soil Properties and Yield,Fruit Quality of 'Rizamat' Grape · 2013

• positive
  Organic fertilizer application was accompanied by higher grape yield.

Fertilization Effect as Well as Optimize Fertilize of Controlled Release N Fertilizer on Grape in Xinjiang · 2013

• positive
  Nitrogen fertilizer increased grape yield, especially controlled-release types.
• positive
  Controlled-release fertilizer mixed with ordinary urea further improved grape yield.

Technological Investigations for Improvement of Grapevine Propagation Material Production in Bulgaria. Part II. Testing of Agritechnical Practices in Vine Nursery · 2014

• positive
  Organic fertilizers improved growth and yield elements of grafted rooted vines.

Influence of manganese fertilizer on efficiency of grapes on sandy soils of the Chechen Republic · 2014

• positive
  Manganese fertilization during sap flow increased grape yield relative to other options.

  compared with other options

Effect of Water and Fertilizer Coupling on Water Consumption and Yield of Drip Irrigation Grape in Extreme Arid Region · 2014

• positive
  Medium irrigation and fertilizer amounts maximized grape yield.

Effects of the timing of phosphatic fertilizer dressing on phosphorus utilization in 'Moldova' grapes · 2014

• positive
  Two fertilizer dressings increased dry matter accumulation by 5.41% versus three dressings.

  compared with three times of fertilization

• positive
  Two fertilizer dressings increased dry matter accumulation by 7.45% versus one dressing.

  compared with one time

EFFECT OF COMPOST AS ORGANIC FERTILIZER, NATURAL ROCKS AND SOME DIFFERENT BIOFERTILIZERS ON YIELD AND QUALITY OF FLAME SEEDLESS GRAPEVINES. · 2014

• positive
  Combined compost, rocks and three NPK biofertilizers increased cluster number and weight.
• positive
  Combined compost, rocks and three NPK biofertilizers increased grapevine yield per vine and per feddan.

cited by 1 paper here

Effects of fertilizer-water regulation on quality and yield of greenhouse grape under delayed cultivation · 2015

• positive
  Upper level fertilization with moderate stress gave the highest grape yield.

Effect of the Different Fertilizing Methods of the Amino Acid Fertilizer on the Nutritional Quality of the Grape · 2015

• positive
  Amino acid fertilizer increased grape fruit grain weight and spike weight compared with CK.

  compared with CK

Effect of the fertilizing system on the yield and quality of grapes · 2015

• positive
  Mineral fertilizer raised grape yield.

EFFECT OF HUMIC ACID, COMPOST AND BIOFERTILIZATION ON FRUITING OF SUPERIOR SEEDLESS GRAPEVINES · 2016

• positive
  Substitutes of mineral N fertilizers enhanced yield and berry characteristics of grapevines compared with mineral N alone.

  compared with mineral N alone

Влияние внекорневых подкормок жидкимимикроудобрениями на продуктивность и качество винограда · 2016

• positive
  Fertilizers increased grape yield in both varieties.
• positive
  The four fertilizers increased Karaburnu productivity by 16,6-23,0 % relative to control.

  compared with control variant

Phosphorus Fertigation and Preplant Conventional Soil Application of Drip Irrigated Grapevines · 2016

• positive
  Yield and soil P concentration were higher with P fertigation than with conventional soil P application.

  compared with conventional soil P application

PARTIAL REPLACEMENT OF INORGANIC N FERTILIZER IN SUPERIOR VINEYARDS BY USING COMPOST ENRICHED WITH SOME MICROORGANISMS · 2016

• positive
  Using 60 to 80% mineral N plus 20 to 40% compost enriched with yeast, algae or bacteria was superior for growth, vine nutritional status and yield of grapevines compared with 100% mineral N alone or 40% mineral N plus organic and biofertilization.

  compared with 100 % mineral N alone or 40% mineral N plus organic and biofertilization

Timing of Nitrogen Fertilisation and the Effect of Poultry Manure on the Performance of Grapevines on Sandy Soil. I. Soil Analysis, Grape Yield and Vegetative Growth · 2017

• positive
  Fertilisation increased Heroldrebe yield by 48% relative to the control.

  compared with N0

• positive
  Fertilisation increased Bukettraube yield by 24% relative to the control.

  compared with N0

Physiological characteristics of grapevine under irrigation and fertilization management1 · 2017

• positive
  Lowest irrigation depth with 50-65 % fertilizer rates produced the highest yields.

Fertilizer for the Treatment of Iron Chlorosis Physico-chemical and agro-chemical properties · 2017

• positive
  Foliar fertilizers significantly improved grape production under iron deficiency.

Effect of Irrigation and Fertigation Strategies on Growth, Yield, Quality and Water Use Efficiency of Drip Irrigated Grapevine · 2017

• positive
  At 80% ET0, cluster weight rose 20.28% under farm fertigation.

Effects of Comprehensive Technologies on the Improvement of Acidified Vineyard Soils · 2018

• positive
  Seaweed liquid silicon, sheep manure and green manure raised grape yield by 12.77-14.94%.
• positive
  Naduoli No. 1, bacterial manure and natural grass raised grape yield by 7.67%.

Yield, berry quality and physiological response of grapevine to foliar humic acid application · 2018

• positive
  A 50 ml∙L-1 humic acid foliar spray significantly increased grapevine yield.

INFLUENCE OF MANGANESE FERTILIZER ON GRAPES EFFICIENCY ON SANDY SOILS OF THE SOUTH RUSSIA · 2018

• positive
  Manganese fertilization raised grape yield over other variants.

  compared with other variants

Vineyard Floor Management Analysis Using Nematode Communities as a Bioindicator of Soil Health · 2018

• positive
  Compost raised grapevine yield 38% and crop size 30%, while successional groundcover raised yield 29% and crop size 38%, versus control.

  compared with grower control

IMPROVING MINERAL UPTAKE AND PRODUCTIVITY OF SUPERIOR GRAPEVINES USING SOME STRAINS OF SOLUBILIZING POTASSIUM BACTERIA · 2018

• positive
  Combined K treatments promoted berry setting and yield.

  compared with K as mineral K alone

Effect of compost and natural rocks as partial substitutes for NPK mineral fertilizers on yield and fruit quality of ‘Flame’ seedless grapevine grown in two different locations of Egypt · 2019

• positive
  The mixed fertilization produced the highest grape yield.
• positive
  The mixed fertilization produced the highest cluster weight.

cites 1 paper here

Influence of Fertilizers on the Development of Grape Culture and Bunch Structural Indicators · 2019

• positive
  Fertilizers increased the number of bunches of grape by 3.3–5.8 pcs. compared with the variant without fertilizers.

  compared with variant without fertilizers

An effective method for managing the production process of grapes using foliar nutrition in arid conditions of the North-Western Caspian · 2020

• positive
  Combined Plantafol and Boroplus gave the maximum yield increase across grape varieties.

cited by 2 papers here

Technological Effectiveness of Chelated Micronutrient Fertilizers in Leaf Treatments Inducing Grapes Resistance to Biotic and Abiotic Stresses · 2020

• positive
  Chelated micronutrient fertilizer leaf treatments essentially increased average cluster weight and yield per hectare in grapes.

Increasing the output of grape seedlings using biostimulants of natural origin · 2020

• positive
  Three-time foliar application of Isabion amino peptide biostimulant at 2 l/ha gave the highest first-grade seedling yield (71-76%) of table grape seedlings in the open-ground nursery, compared with background fertigation.

  compared with background fertigation

• positive
  Isabion biostimulant treatment increased seedling output by 10-13% relative to the control.

  compared with control

Efficiency of foliar fertilization in table grapes cultivation under irrigation · 2021

• positive
  Combined Plantafol and Boroplus was the most cost effective treatment.

cites 1 paper here

Ways to increase stress resistance of grapes in conditions of moisture deficit · 2021

• positive
  Wuxal mineral nutrition increased average grape bunch weight under drought by 17.4-51.9 g.

Efficiency of organic and bio-fertilization on reducing the rates of mineral fertilizers in Flame Seedless vineyards · 2021

• positive
  All combined fertilization treatments significantly increased yield of Flame Seedless grapevines compared with mineral source only.

  compared with RDN via mineral source only

Effects of Fertilizers on Ground Products and Drying Material Transportation of Nutrition From the Soil · 2021

• positive
  Organic and mineral fertilizers increased grape yield.

Effect of national chelated micronutrient fertilizers on the productivity of grape plants and quality indicators of wine · 2021

• positive
  Double foliar Tiaton and Chelaton Extra increased grape shoot productivity by 10.4-17.1% versus control.

  compared with control

• positive
  Double foliar Tiaton and Chelaton Extra increased grape average bunch weight by 9.3-15.3 g (10.3-16.9%) versus control.

  compared with control

The reaction norm of Augustine and Moldova grape varieties in the agroecological conditions of the moderate continental climate of the south of Russia · 2021

• positive
  Fertilizer application increased yield in grape.

Multiple Effects of Nitrogen Fertilization on Grape Vegetative Growth, Berry Quality and Pest Development in Mediterranean Vineyards · 2021

• positive
  Nitrogen fertilization increased cluster weight, which raised grape yield
• positive
  Nitrogen fertilization increased pruning weight and leaf area, as well as overall grape yield

cited by 1 paper here

Productivity and quality of grapevine yield when using micronutrient fertilizers of new generation in the conditions of Crimea · 2021

• positive
  The mineral nutrition preparations increased shoot productivity by 8.1%.

  compared with control

Increasing the yield of Nebbiolo grapevines grown in acid soils: a comparison of different techniques · 2022

• positive
  Only combined shoot trimming and P fertilisation significantly affected grapevine bud fruitfulness and yield relative to untreated vines.

  compared with untreated

Deep Placement of Compost into Vineyard Soil Affecting Physical Properties of Soils, Yield and Quality of Grapes · 2022

• positive
  Fertilized Pinot Gris yield increased 24 to 33%.
• positive
  Fertilized Sauvignon Blanc yield increased 12–34%.

cites 1 paper here

RESULTS OF THE TEST OF NEW GENERATION GEL FERTILIZERS ON THE TABLE GRAPE OF THE ITALY VARIETY IN THE MOUNTAIN VALLEY CRIMEA · 2022

• positive
  New generation fertilizers increased grape yield by 2.2 t/ha (11.2%).

cited by 1 paper here

Grapevine treatment with bagasse vermicompost changes the microbiome of Albariño must and wine and improves wine quality · 2022

• positive
  Vermicompost-treated Albariño grapevines showed increased grape production relative to controls.

  compared with controls (standard fertilisation)

The efficiency of using synthesized fertilizers via foliar feeding and drip irrigation in various soil and climatic zones of the Republic of Armenia · 2022

• positive
  The combined fertilizer increased grapevine yield by 20 c/ha compared with NPK.

  compared with NPK variant

EFFECT OF ORGANO-MINERAL FERTILIZER ON GRAPEVINE PRODUCTIVITY · 2022

• positive
  Fertilizer increased grape yield by 8.7–11.6% depending on rate.

Phosphate Regime of the Gray-Brown Soils of the Absheron Under the Vineyards Depending on the Application of Various Types and Doses of Fertilizers · 2022

• positive
  Organic and inorganic fertilizer use affected grape yield.

Usage of Nano-Particle NPK to reduce the amount of mineral fertilizers in ‘Crimson seedless’ grapevines · 2022

• positive
  The highest nano NPK rate significantly increased yield parameters versus lower rates.

  compared with lower concentrations

The impact of some innovative technological solutions on the quantity and quality of the grape production · 2022

• positive
  Mineral fertilization had a positive influence on grape production compared with classical solutions.

  compared with classical technological solutions

• positive
  Soil mulching with marc compost had a positive influence on grape production compared with classical solutions.

  compared with classical technological solutions

INFLUENCE OF COPPER-CONTAINING AGROCHEMICAL ON GRAPE PRODUCTIVITY INDICATORS · 2023

• positive
  The largest yield increase of Cabernet Sauvignon grape bushes, 26.2% over control, came from top dressing at 0.5 l/ha.

  compared with the control

cites 2 papers here

Effect of method nano application with NPK fertilizer on the vegetative growth of two grape cultivars (Vitis Vinifera L.) · 2023

• positive
  Spraying 1 gm nano NPK significantly increased main stem height and leaf number.

The Efficiency of Using Vermicompost and Some Bio-Safe Stimulants in Recovering Yield and Quality of Flame Seedless cv. in Degraded Vineyard · 2023

• positive
  VC soil application plus 100% PGPR was most favorable in stimulating yield and nutritional status.

Standardization of Nutrient Requirement for Enhancing Yield and Quality in Grape (Vitis vinifera L.) Var. Red Globe · 2023

• positive
  T2 improved yield per vine in summer and winter.
• positive
  T2 increased bunch number per vine in both seasons.

cites 1 paper here

Impact of pruning severity, chicken manure, and foliar application of kare combi on productivity and quality of zaitouni grape cultivar (Vitis vinifera L.) · 2023

• positive
  The 8-bud, manure and Kare-combi combination gave the best cluster number and total yield.

Optimizing drip fertigation management to simultaneously improve the yield, water productivity and fertilizer agronomic utilization efficiency of grapes in different precipitation year patterns · 2024

• positive
  Drip irrigation and fertilization increased grape yield compared with the CK and CG treatments.

  compared with CK and CG treatments

Local organic and inorganic amendments to improve table grape production inMediterranean vineyards of southern Türkiye · 2024

• positive
  The P+PR+FM combination gave the best yield, cluster weight and berry weight.

INCREASING THE EFFICIENCY OF GRAPE NURSERY WITH THE APPLICATION OF FOLIAR FERTILIZATION · 2024

• positive
  Foliar fertilization increased final seedling yield of Sibirkovy from 19.0 % to 31.6-44.1 %.
• positive
  Foliar fertilization increased final seedling yield of Stanichnyi from 29.1 % to 48.6-72.9 %.
• positive
  Foliar fertilization increased final seedling yield of Varyushkin from 19.8 % to 24.2-38.2 %.

Effect of foliar chelated forms spraying on grape yield and mineral status of shoots · 2024

• positive
  Foliar Mg and Fe fertilizers significantly influenced grape yield.

Soil properties improvement and nitrogen leaching induced compost and mineral fertilization for maximizing grapevines production in arid regions, El-Minia, Egypt · 2024

• positive
  Co-applying mineral nitrogen at 50% ammonia sulfate and 50% Enciabeen gave a yield increase of 43% in the second season compared with 100% ammonia sulfate.

  compared with 100% ammonia sulfate

• positive
  Co-applying mineral nitrogen at 50% ammonia sulfate and 50% Enciabeen gave a yield increase of 18% in the first season compared with 100% ammonia sulfate.

  compared with 100% ammonia sulfate

FERTILIZER RATES FOR YOUNG TABLE GRAPE VINEYARDS WITH DRIP IRRIGATION SYSTEMS · 2024

• positive
  Raising mineral fertilizer rates by 20% increased third-year grape yield by 9.2% over the control variant.

  compared with control variant

• positive
  Yield of third-year grapes was 39–64% higher with fertilizer application than in the variant without fertilizer application.

  compared with variant without fertilizer application

• positive
  Raising mineral fertilizer rates by 10% increased third-year grape yield by 4.7% over the control variant.

  compared with control variant

EFFECT OF FERTILIZER WITH A COMPLEX OF MICRONUTRIENTS AND MACRO-NUTRIENTS ON GRAPES PRODUCTIVITY INDICATORS · 2024

• positive
  Fertilizer increased grapevine yield by 21.2−22.6% relative to control, depending on dose.

  compared with the control

THE EFFECTIVENESS OF FOLIAR APPLICATION OF POLYNUTRIENT FERTILIZERS ON THE NURSERY GARDEN FOR GROWING GRAFTED GRAPE SEEDLINGS · 2025

• positive
  Raising the foliar fertilization frequency from 2 to 4 times increased the yield of grafted grape seedlings by 1.2–12.5 %.

Optimizing Selenium Delivery in Grapevines: Foliar vs. Rhizosphere Fertilization Effects on Photosynthetic Efficiency, Fruit Metabolites, and VOCs of ‘Muscat Hamburg’ Grape (Vitis vinifera L.) · 2025

• positive
  Rhizosphere selenium fertilization increased grape cluster size with concentration.

Effect of Some Organic Manures Tea on Superior Grapevine Yield and Physio-Chemical Quality · 2025

• positive
  A 60% mineral nitrogen replacement ratio gave the highest significant increase in grapevine yield.
• negative
  A 40% nitrogen replacement ratio significantly reduced all grapevine yield parameters.

Influence of growth regulators on the productivity of seed grape varieties · 2025

• positive
  Top dressing increased bunch weight, berries per bunch, and weight of 50 berries against control.

  compared with control option

Organic Fertilizer Substitution Improves Grape Yield and Quality by Regulating Soil Nutrient Availability and Berry Morphological Traits: A Two-Year Field Study · 2026

• positive
  0.7N + OF increased yield by 10.8% in 2021.
• positive
  0.8N + OF gave the highest economic returns.
• positive
  0.8N + OF increased yield by 96.0% in 2022.
• positive
  0.7N + OF increased yield by 47.9% in 2022.
• positive
  0.8N + OF increased yield by 18.2% in 2021.

Potassium Fertigation Enhances Yield and Berry Development in Table Grapevines Under Semi-Arid Mediterranean Conditions · 2026

• positive
  Potassium fertigation significantly increased grapevine total yield and cluster weight.