Abstract
Abstract Pecan shells, a waste product of the nut processing industry, were evaluated as a potential container medium component. Raw shells need to be hammer-milled or otherwise transformed into a physically consistent product. Shells were acidic (pH 4.8) and low in soluble salts and water-extractable nutrients. Four shell-based media (100% milled pecan shells, 3 shells: 1 sand, 1 shells: 1 sand, and 1 shells: 3 sand, v/v) were evaluated. Control medium was 1.5 Canadian sphagnum peat: 1 perlite (v/v). Growth of begonia ( Begonia semperflorens Link and Otto ‘Scarlet’) and tomato plants ( Lycopersicon esculentum Mill. ‘Rutgers’) increased linearly as percentage of sand was increased from 0% to 75%. Begonias grown in the 1 shell : 3 sand mix equaled growth and quality of control plants. None of the tomato plants in shell-based media were comparable in growth to the control, because of phytotoxic substances associated with shells and the inadequacy of easily available water of shell-based media. Ilex × ‘Nellie R. Stevens’ grown in shell-based media were equivalent in size and quality to those in peat-perlite.
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Claims 8
Claim · model-written summary
Begonia growth increased linearly as the percentage of sand in shell-based media rose from 0% to 75%.
- Taxon
- Begonia semperflorens
.jpg?width=60)
Begonia cucullatae1 - Material
- Scarlete1
- Treatment
- percentage of sand was increased from 0% to 75%e1
- Outcome
- Growthe1
- Direction
- increased linearlye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e1“Growth of begonia ( Begonia semperflorens Link and Otto ‘Scarlet’) and tomato plants ( Lycopersicon esculentum Mill. ‘Rutgers’) increased linearly as percentage of sand was increased from 0% to 75%”
Claim · model-written summary
Tomato growth increased linearly as the percentage of sand in shell-based media rose from 0% to 75%.
- Taxon
- Lycopersicon esculentum
Solanum lycopersicume1 - Material
- Rutgerse1
- Treatment
- percentage of sand was increased from 0% to 75%e1
- Outcome
- Growthe1
- Direction
- increased linearlye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Growth of begonia ( Begonia semperflorens Link and Otto ‘Scarlet’) and tomato plants ( Lycopersicon esculentum Mill. ‘Rutgers’) increased linearly as percentage of sand was increased from 0% to 75%”
Claim · model-written summary
Begonias grown in the 1 shell : 3 sand mix equaled the growth and quality of control plants.
- Treatment
- 1 shell : 3 sand mixe2
- Outcome
- growth and qualitye2
- Direction
- equalede2
- Comparator
- control plantse2
BegoniaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Begonias grown in the 1 shell : 3 sand mix equaled growth and quality of control plants”
Claim · model-written summary
Tomato plants in shell-based media were not comparable in growth to the control.
- Taxon
- tomatoSolanum lycopersicume3
- Treatment
- shell-based mediae3
- Outcome
- growthe3
- Direction
- None of the tomato plants in shell-based media were comparablee3
- Qualifier
- because of phytotoxic substances associated with shells and the inadequacy of easily available watere3
- Comparator
- controle3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“None of the tomato plants in shell-based media were comparable in growth to the control, because of phytotoxic substances associated with shells and the inadequacy of easily available water of shell-based media”
Claim · model-written summary
Ilex grown in shell-based media was equivalent in size and quality to Ilex grown in peat-perlite.
- Material
- Nellie R. Stevense4
- Treatment
- shell-based mediae4
- Outcome
- size and qualitye4
- Direction
- equivalente4
- Comparator
- peat-perlitee4
.jpg?width=60){kind=small}
IlexOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e4“Ilex × ‘Nellie R. Stevens’ grown in shell-based media were equivalent in size and quality to those in peat-perlite”
Claim · model-written summary
Pecan shells were acidic, with a pH of 4.8.
Not reportedTaxon
Verbatim
e5“Shells were acidic (pH 4.8) and low in soluble salts and water-extractable nutrients”
Claim · model-written summary
Pecan shells were low in soluble salts and water-extractable nutrients.
Not reportedTaxon
Verbatim
e5“Shells were acidic (pH 4.8) and low in soluble salts and water-extractable nutrients”
Claim · model-written summary
The authors recommend that raw pecan shells be hammer-milled or otherwise transformed into a physically consistent product before use as medium.
- Outcome
- physically consistent producte0
Not reportedTaxon
Verbatim
e0“Raw shells need to be hammer-milled or otherwise transformed into a physically consistent product”
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