Abstract
Experiments were conducted to compare the responses of 4 greenhouse grown herbs to the aqueous extracts and ground leaf material of stinging nettle, Urtica dioica L., as compared with 3 standard organic fertilizers and 1 inorganic fertilizer incorporated into the growth media. Stinging nettle leaf extract and organic fertilizer significantly increased the growth of French tarragon and purple coneflower. Ammonium sulfate produced the most growth in sweet basil. Stinging nettle leaves applied as a dry powder at 16 g/l of soil produced the most growth in parsley. The results indicate stinging nettle, a nitrophilic weed, has the potential to be used as an organic fertilizer to replace other conventional fertilizers.
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Claims 7
Claim · model-written summary
Stinging-nettle leaf extract significantly increased French tarragon growth.
- Taxon
- French tarragon
Artemisia dracunculuse0 - Treatment
- Stinging nettle leaf extracte0
- Outcome
- growthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Stinging nettle leaf extract and organic fertilizer significantly increased the growth of French tarragon and purple coneflower”
Claim · model-written summary
Organic fertilizer significantly increased French tarragon growth.
- Taxon
- French tarragon
Artemisia dracunculuse0 - Treatment
- organic fertilizere0
- Outcome
- growthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Stinging nettle leaf extract and organic fertilizer significantly increased the growth of French tarragon and purple coneflower”
Claim · model-written summary
Stinging-nettle leaf extract significantly increased purple coneflower growth.
Not reportedComparator
Verbatim
e0“Stinging nettle leaf extract and organic fertilizer significantly increased the growth of French tarragon and purple coneflower”
Claim · model-written summary
Organic fertilizer significantly increased purple coneflower growth.
Not reportedComparator
Verbatim
e0“Stinging nettle leaf extract and organic fertilizer significantly increased the growth of French tarragon and purple coneflower”
Claim · model-written summary
Ammonium sulfate produced the most sweet-basil growth.
- Taxon
- sweet basil
Ocimum basilicume0 - Treatment
- Ammonium sulfatee0
- Outcome
- growthe0
- Direction
- moste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Ammonium sulfate produced the most growth in sweet basil”
Claim · model-written summary
Dry nettle leaves at 16 g/l soil produced the most parsley growth.
- Taxon
- parsley
Petroselinum crispume0 - Treatment
- Stinging nettle leaves applied as a dry powder at 16 g/l of soile0
- Outcome
- growthe0
- Direction
- moste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Stinging nettle leaves applied as a dry powder at 16 g/l of soil produced the most growth in parsley”
Claim · model-written summary
The authors suggest nettle could replace conventional fertilizers for herbs.
- Outcome
- used as an organic fertilizer to replace other conventional fertilizerse0
Not reportedTaxon
Verbatim
e0“stinging nettle, a nitrophilic weed, has the potential to be used as an organic fertilizer to replace other conventional fertilizers”
The same questions in other papers
botanical · growth · Petroselinum crispum (parsley)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
2 papers more in this group
See all 6 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.