Abstract
The aim of the study was to determine the impact of dead organic mulches (unprocessed sheep wool - SW and ecological wool - EW), black polyethylene film (PE) and unmulched soil (WM) on the moisture regime of Hortisol and the yield of lettuce cv.´Melina´.The research was carried out at an trial field at the Faculty of Agriculture in Zagreb from April to June 2017. The experiment was set out according to a randomized block design with three replications. Soil samples were taken decadally from depths of 0-10 cm and 10-20 cm, in 3 replications, and the soil moisture content was determined by gravimetric method. The current moisture content in the soil was significantly influenced by: days after transplatation lettuce to open field (DAT) and mulch (M). The significantly low values of soil moisture were determined at 46 DAT, and high at 5 DAT. Considering the mulch, the soil moisture in both layers as follows: PE> SW> EW> WM. Diameter of the lettuce rosette was not significantly affected by the mulch type. Lettuce rosette, grown on SW (20.7 cm) was significantly higher compared to PE (18.4 cm), EW (18.0 cm) and WM (17.8 cm). The highest marketable yield of lettuce was achieved when wool mulch was applied (6.58 kg/m2 on EW, ie 6.56 kg/m2 on SW), and the lowest under PE (4.60 kg/m2). Woolen mulches have proved to be a good alternative to the previous application of PE mulches.
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Claims 10
Claim · model-written summary
Soil moisture in both layers followed the order PE > SW > EW > WM across mulch types.
Not reportedTaxon
Verbatim
e1“Considering the mulch, the soil moisture in both layers as follows: PE> SW> EW> WM”
Claim · model-written summary
Soil moisture was significantly low at 46 days after transplanting and high at 5 days after transplanting.
Not reportedTaxon
Verbatim
e2“The significantly low values of soil moisture were determined at 46 DAT, and high at 5 DAT”
Claim · model-written summary
Lettuce rosette diameter was not significantly affected by mulch type.
- Taxon
- lettuce
Lactuca sativae3 - Treatment
- mulch typee3
- Outcome
- Diameter of the lettuce rosettee3
- Direction
- not significantly affectede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Diameter of the lettuce rosette was not significantly affected by the mulch type”
Claim · model-written summary
Lettuce rosette grown on SW was significantly larger than on PE (20.7 cm vs 18.4 cm).
- Taxon
- lettuceLactuca sativae4
- Treatment
- SWe4
- Outcome
- Lettuce rosettee4
- Direction
- significantly highere4
- Value
- 20.7 cme4
- Qualifier
- 18.4 cme4
- Comparator
- PEe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Lettuce rosette, grown on SW (20.7 cm) was significantly higher compared to PE (18.4 cm), EW (18.0 cm) and WM (17.8 cm)”
Claim · model-written summary
Lettuce rosette grown on SW was significantly larger than on EW (20.7 cm vs 18.0 cm).
- Taxon
- lettuceLactuca sativae4
- Treatment
- SWe4
- Outcome
- Lettuce rosettee4
- Direction
- significantly highere4
- Value
- 20.7 cme4
- Qualifier
- 18.0 cme4
- Comparator
- EWe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Lettuce rosette, grown on SW (20.7 cm) was significantly higher compared to PE (18.4 cm), EW (18.0 cm) and WM (17.8 cm)”
Claim · model-written summary
Lettuce rosette grown on SW was significantly larger than on WM (20.7 cm vs 17.8 cm).
- Taxon
- lettuceLactuca sativae4
- Treatment
- SWe4
- Outcome
- Lettuce rosettee4
- Direction
- significantly highere4
- Value
- 20.7 cme4
- Qualifier
- 17.8 cme4
- Comparator
- WMe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Lettuce rosette, grown on SW (20.7 cm) was significantly higher compared to PE (18.4 cm), EW (18.0 cm) and WM (17.8 cm)”
Claim · model-written summary
The highest marketable lettuce yield was achieved under ecological wool (EW) mulch, at 6.58 kg/m2.
- Taxon
- lettuceLactuca sativae5
- Treatment
- EWe5
- Outcome
- marketable yield of lettucee5
- Direction
- higheste5
- Value
- 6.58 kg/m2e5
- Qualifier
- on EWe5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“The highest marketable yield of lettuce was achieved when wool mulch was applied (6.58 kg/m2 on EW, ie 6.56 kg/m2 on SW), and the lowest under PE (4.60 kg/m2)”
Claim · model-written summary
Marketable lettuce yield under sheep wool (SW) mulch was 6.56 kg/m2.
- Taxon
- lettuceLactuca sativae5
- Treatment
- SWe5
- Outcome
- marketable yield of lettucee5
- Direction
- higheste5
- Value
- 6.56 kg/m2e5
- Qualifier
- on SWe5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“The highest marketable yield of lettuce was achieved when wool mulch was applied (6.58 kg/m2 on EW, ie 6.56 kg/m2 on SW), and the lowest under PE (4.60 kg/m2)”
Claim · model-written summary
Marketable lettuce yield was lowest under PE mulch, at 4.60 kg/m2.
- Taxon
- lettuceLactuca sativae5
- Treatment
- PEe5
- Outcome
- marketable yield of lettucee5
- Direction
- loweste5
- Value
- 4.60 kg/m2e5
- Comparator
- wool mulche5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“The highest marketable yield of lettuce was achieved when wool mulch was applied (6.58 kg/m2 on EW, ie 6.56 kg/m2 on SW), and the lowest under PE (4.60 kg/m2)”
Claim · model-written summary
Woolen mulches are a good alternative to the previous application of PE mulches in lettuce production.
- Taxon
- lettuceLactuca sativat0
- Treatment
- Woolen mulchese6
- Outcome
- good alternative to the previous application of PE mulchese6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“lettuce yield under different mulching conditions”
e6“Woolen mulches have proved to be a good alternative to the previous application of PE mulches”
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See all 21 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.