When it’s really humid, rains a lot, stays warm, and farmers use lots of fertilizer, the fruits and veggies you eat tend to have more nitrates and nitrites in them.
Claim Language
Language Strength
association
Uses association language (linked to, correlated with)
The claim uses the phrase 'are associated with', which indicates a statistical relationship without implying causation, placing it firmly in the 'association' category of verb strength.
Context Details
Domain
agricultural_science
Population
human
Subject
Higher humidity (>60%), annual rainfall (>1500 mm), average temperature (>10°C), and fertilizer use
Action
are associated with
Target
increased nitrate/nitrite accumulation in fruits and vegetables
Intervention Details
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.
Evidence from Studies
Supporting (1)
A worldwide systematic review, meta-analysis and meta-regression of nitrate and nitrite in vegetables and fruits.
This study found that when it’s humid, rainy, warm, and farmers use lots of fertilizer, fruits and veggies soak up more nitrates and nitrites — just like the claim says.