The highest number of flowers was obtained with KCl 3 ds/m/plant and silica fertilizer 10 g/plant.

potassium chloride · yield · Solanum lycopersicum (tomato)Results differ

10 papers in the same direction as this claim · 2 in the opposite direction

1. no effect
   Muriate of potash and controlled treatments had no significant influence on tomato yield components.

   Yield Comparison Between two Varieties of Tomato (Lycopersicon esculentum Mill) under the Influence of NPK · 1999 · compared with controlled treatments

   Opposite direction

2. negative
   KCl decreased fruit weight in three cultivars.

   水耕ミニトマトの果実品質,収量及び生育に及ぼす塩化カリウム及び硫酸カリウム添加処理の影響 · 1990

   Opposite direction

3. positive
   KCl treatments produced no significant differences in yield components or plant growth.

   Potassium Chloride Enhances Fruit Appearance and Improves Quality of Fertigated Greenhouse Tomato as Compared to Potassium Nitrate · 2003 · compared with Potassium Nitrate

   Same direction

4. positive
   Foliar KCl maximized tomato yield under each drought level relative to control.

   Foliar application of potassium on antioxidant enzyme activities of tomato plants under drought stress · 2020 · compared with control

   Same direction

5. positive
   Potassium chloride treatment increased tomato yield.

   The impact of different foliar fertilizers on the quantity and nutrient content of industrial tomato · 2020

   Same direction

6. positive
   Potash K-KCl gave the highest processing tomato yield among the potash types tested, followed by K-K2SO4.

   Effect of Potassium Management on Yield and Benefit of Processing Tomato · 2013 · compared with K- K 2 SO 4

   Same direction

7. positive
   KCl at 300 kg·hm~(-2) raised tomato yield 35.3%.

   Application KCl Growth Vegetables in Sunlight Greenhouse · 2005

   Same direction

8. positive
   Single KCl application at EC 10 ds m-1 significantly increased health index versus control.

   P1-2 : Effects of High Electrical Conductivity of Different Sources of Potassium and Its Application Times on Cylindrical Paper Pot Trays Tomato Seedling · 2019 · compared with control

   Same direction

4 papers more in this group

silicon dioxide · yield · Solanum lycopersicum (tomato)Results agree

3 papers in the same direction as this claim

1. positive
   SiO2 nanoparticles increased average fruit weight and yield without salt stress.

   Form of Silica Improves Yield, Fruit Quality and Antioxidant Defense System of Tomato Plants under Salt Stress · 2020

   Same direction

2. positive
   The biofertilizers increased flower number by 13%.

   Effects of innovative biofertilizers on yield of processing tomato cultivated in organic cropping systems in northern Italy · 2019 · compared with control

   Same direction

3. positive
   The 25 mg L-1 SiO2 NP dose produced the highest stem diameter, root length and yield.

   Silicon dioxide nanoparticles a strategy to improve the growth, physiology, yield, and nutraceutical quality of tomatoes · 2025

   Same direction

fertilization · yield · Solanum lycopersicum (tomato)Positive and negative results

849 papers in the same direction as this claim · 104 in the opposite direction · 24 reporting no difference from an alternative

1. no effect
   Reduced chemical fertilizer plus bio-organic fertilizer maintained tomato yields equivalent to full chemical fertilizer in pot and field trials.

   Bio-organic fertilizer with reduced rates of chemical fertilization improves soil fertility and enhances tomato yield and quality · 2020 · compared with 100% of the chemical fertilizer

   Opposite direction

2. negative
   Yields of tomato, cucumber and sweet pepper decreased as EC of the nutrient solution increased.

   Sodium chloride salinity in fruit vegetable crops in soilless culture. · 1991

   Opposite direction

3. negative
   Prolonged NFT solution recycling reduced tomato fresh and dry weight and yield versus regular renewal.

   Growth, Productivity, and Mineral Composition of Hydroponically Cultivated Greenhouse Tomatoes, with or without Nutrient Solution Recycling · 1996 · compared with plants grown in NFT with regular renewal of the nutrient solution

   Opposite direction

4. negative
   Organic fertilizer gave significantly lower red tomato yields than mineral fertilizer.

   Impact of organic and inorganic fertilizers on yield, taste, and nutritional quality of tomatoes · 2006 · compared with mineral fertilizer

   Opposite direction

5. negative
   Fruit number declined with chromium.

   Effects of chromium on the nutrient element content and morphology of tomato · 1995

   Opposite direction

6. no effect
   Vermicompost spraying did not affect plant growth, biomass, nutrient allocation, yields, or fruit number.

   Foliar Spraying of Vermicornpost Extracts: Effects on Fruit Quality and Indications of Late-Blight Suppression of Field-Grown Tomatoes · 2006

   Opposite direction

7. negative
   Half strength nutrient solution reduced tomato yields in the closed system in autumn.

   Effects of nutrition and Bacillus amyloliquefaciens on tomato (Solanum lycopersicum, L.) growing in perlite · 2008

   Opposite direction

8. negative
   Moderately high conductivity decreased commercial tomato yield by 3% to 22%.

   Increased Electrical Conductivity in Nutrient Solution Management Enhances Dietary and Organoleptic Qualities in Soilless Culture Tomato · 2017

   Opposite direction

969 papers more in this group