Excess soil or foliar N application late in the season lowered tuber specific gravity and dry matter of potato.

nitrogen · growth · Solanum tuberosum (potato)Positive and negative results

12 papers in the same direction as this claim · 38 in the opposite direction

1. positive
   Nitrogen promoted apical branching and increased total leaf number.

   Effects of Nitrogen on the Development and Growth of the Potato Plant. 1. Leaf Appearance, Expansion Growth, Life Spans of Leaves and Stem Branching · 1992

   Opposite direction

2. positive
   Mixed nitrogen significantly increased shoot dry weight relative to either nitrogen form alone.

   Study of various NH₄⁺/NO₃⁻mixtures for enhancing growth of potatoes · 1993 · compared with single NH4+ or NO3- form

   Opposite direction

3. positive
   Increasing N raised plant biomass and root traits.

   Precision phenotyping of contrasting potato (Solanum tuberosum L.) varieties in a novel aeroponics system for improving nitrogen use efficiency: In search of key traits and genes · 2020

   Opposite direction

4. positive
   Nitrogen up to 110 kg N/ha improved plant height.

   Response of Potato ( Solanum tuberosum L.) Yield and Yield Components to Nitrogen Fertilizer and Planting Density at Haramaya, Eastern Ethiopia · 2015

   Opposite direction

5. positive
   Potato receiving 180 kg N ha−1 had the highest total and tuber dry matter and accumulated radiation interception.

   Radiation interception and radiation use efficiency of potato affected by different N fertigation and irrigation regimes · 2016

   Opposite direction

6. positive
   The highest potato height, leaf dry weight and stem dry weight occurred with 150 kg nitrogen per hectare.

   Effect of nitrogen fertilizer and vermicompost on vegetative growth, yield and NPK uptake by tuber of potato (Agria CV.) · 2013

   Opposite direction

7. positive
   Mixed nitrogen broadens the useful pH range and enhances potato growth relative to a single form.

   Responses of potatoes to solution pH levels with different forms of nitrogen · 1994 · compared with a single nitrogen form

   Opposite direction

8. positive
   SAN increased initiation-stage tuber weight to shoot growth rate ratio.

   Stabilising Urea Amine Nitrogen Increases Potato Tuber Yield by Increasing Chlorophyll Content, Reducing Shoot Growth Rate and Increasing Biomass Partitioning to Roots and Tubers · 2019

   Opposite direction

42 papers more in this group

application · growth · Solanum tuberosum (potato)Positive and negative results

6 papers in the same direction as this claim · 71 in the opposite direction

1. positive
   Plant height was highest under 100% mineral potassium fertilizer with foliar MP.

   Plant Growth, Yield and Quality of Potato Crop in Relation to Potassium Fertilization · 2021

   Opposite direction

2. positive
   Dual foliar application of POT1 culture filtrate improved growth parameters of potato plants.

   Bacillus licheniformis strain POT1 mediated polyphenol biosynthetic pathways genes activation and systemic resistance in potato plants against Alfalfa mosaic virus · 2020

   Opposite direction

3. positive
   SNP broke potato tuber dormancy.

   NO and ABA Interaction Regulates Tuber Dormancy and Sprouting in Potato · 2020

   Opposite direction

4. positive
   Air injection increased potato plant height by 14.7% over DI in the first season.

   ROOT AERATION IMPROVES YIELD AND WATER USE EFFICIENCY OF IRRIGATED POTATO IN SANDY CLAY LOAM SOIL · 2014 · compared with DI

   Opposite direction

5. positive
   Air-assisted spraying improved overall coverage over conventional spraying on potatoes and broccoli.

   FIELD EVALUATION OF AIR-ASSISTED BOOM SPRAYING ON BROCCOLI AND POTATO · 2000 · compared with conventional application

   Opposite direction

6. positive
   Foliar calcium and magnesium significantly increased potato fresh weight and leaf area at 90 days.

   Foliar Calcium and Magnesium Application Effect on Potato Crop Grown in Clay Loam Soils · 2017 · compared with control

   Opposite direction

7. positive
   Foliar and root PBZ applications extended tuber dormancy.

   Growth responses of potato ( Solanum tuberosum ) grown in a hot tropical lowland to applied paclobutrazol: 2. Tuber attributes · 2005

   Opposite direction

8. positive
   Foliar biostimulants and lithovit, with or without boron, significantly increased potato growth parameters.

   IMROVING GROWTH AND PRODUCTIVITY OF POTATO (Solanum tuberosum L.) BY SOME BIOSTIMULANTS AND LITHOVIT WITH OR WITHOUT BORON · 2015

   Opposite direction

69 papers more in this group

climate site · growth · Solanum tuberosum (potato)Results agree

3 papers in the same direction as this claim

1. no effect
   Deficit irrigation at 75% or 50% of ET during the late season had no impact on tuber growth.

   Effects of Irrigation Management on Chipping Potato (Solanum tuberosum L.) Production in the Upper Midwest of the U.S. · 2021 · compared with industry standard irrigation practice

   Same direction

2. no effect
   Hot climate replanting and storage did not further reduce tuber dry matter after the first hot season.

   Influence of production and storage conditions on subsequent growth and tuber yield of potato (Solanum spp.) in the hot tropics · 1992

   Same direction

3. negative
   High temperature increased potato plant height and leaf area index.

   Morphophysiological Responses: Criteria for Screening Heat Tolerance in Potato · 2016

   Same direction