Picea mariana (black spruce)
38 questions from 85 papers. Pick what the treatment was tested against.
Map of the questions
All 2 questions whose results differ, each with a pair of papers accepted in a claim-by-claim check.
- Results differ
- Positive and negative results
- Results agree
- Thicker line: more papers
Each line is one question: a treatment on this organism and what it was tested against or measured. Click a name to see all its questions; click a line to open the question. The lists below have every question.
Effects on the crop itself
- Growth21 questions · 2 differ · 13 positive and negative
- Nutrient: content5 questions · 3 positive and negative
- Yield3 questions · 1 positive and negative
- Disease2 questions
- Physiology: photosynthesis2 questions · 2 positive and negative
- Control1 question
- Crop injury1 question · 1 positive and negative
- Physiology: water1 question
- Tolerance: abiotic1 question
- Weed1 question