Abstract
The experiment was conducted in the field of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during the period from October 2009 to January 2010 to find out the combined effect of mulch materials and organic manure on the growth and yield of lettuce. Four levels of mulch materials viz. M = No mulching, M = Dry water hyacinth, M = Black polythene and M = Dry rice straw and four levels of o1 2 3 organic manure viz. OM = no organic manure, OM = Cow dung (20 t ha ), OM = Poultry manure (10 t ha ) o1 2 11 and OM = Vermicompost (10 t ha ) were also used as experimental variables. The results showed that most 3 1 of the growth parameters were influenced by the mulch materials and organic manure. All the parameters viz. number of leaves plant , leaf length (cm), leaf breath (cm), dry matter accumulation (%), yield (g plant ) and 11 yield (t ha ) performed better in case of M OM ( Black polythene + vermicompost: 10 t ha ), while the 11 23 minimum growth and yield parameter were obtained from M OM ( control) at each observation stage. 00 Although the highest gross and net returns were obtained from the M OM and it was apparently from the 23 above results that the treatment combination of M OM was more profitable compared with other treatments 23 but from economic point of view (Benefit cost ratio) treatment M OM ( Dry water hyacinth + poultry manure 12 : 3.37) was more economic than the M OM (3.14). 23
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Claims 5
Claim · model-written summary
Black polythene with vermicompost at 10 t ha gave better number of leaves, leaf length and leaf breadth of lettuce than the control.
- Taxon
- lettuce
Lactuca sativat0 - Treatment
- Black polythene + vermicompost: 10 t hae1
- Outcome
- number of leaves plant , leaf length (cm), leaf breath (cm)e1
- Direction
- performed bettere1
- Comparator
- controle1
- Setting
- Dhaka, Bangladeshe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“growth and yield of lettuce”
e1“number of leaves plant , leaf length (cm), leaf breath (cm), dry matter accumulation (%), yield (g plant ) and 11 yield (t ha ) performed better in case of M OM ( Black polythene + vermicompost: 10 t ha ), while the 11 23 minimum growth and yield parameter were obtained from M OM ( control) at each observation stage”
e4“The experiment was conducted in the field of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh”
Claim · model-written summary
Black polythene with vermicompost at 10 t ha gave better dry matter accumulation and yield per plant of lettuce than the control.
- Taxon
- lettuce
Lactuca sativat0 - Treatment
- Black polythene + vermicompost: 10 t hae1
- Outcome
- dry matter accumulation (%), yield (g plant )e1
- Direction
- performed bettere1
- Comparator
- controle1
- Setting
- Dhaka, Bangladeshe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“growth and yield of lettuce”
e1“number of leaves plant , leaf length (cm), leaf breath (cm), dry matter accumulation (%), yield (g plant ) and 11 yield (t ha ) performed better in case of M OM ( Black polythene + vermicompost: 10 t ha ), while the 11 23 minimum growth and yield parameter were obtained from M OM ( control) at each observation stage”
e4“The experiment was conducted in the field of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh”
Claim · model-written summary
Black polythene with vermicompost at 10 t ha gave better yield per hectare of lettuce than the control.
- Taxon
- lettuce
Lactuca sativat0 - Treatment
- Black polythene + vermicompost: 10 t hae1
- Outcome
- yield (t ha )e1
- Direction
- performed bettere1
- Comparator
- controle1
- Setting
- Dhaka, Bangladeshe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“growth and yield of lettuce”
e1“number of leaves plant , leaf length (cm), leaf breath (cm), dry matter accumulation (%), yield (g plant ) and 11 yield (t ha ) performed better in case of M OM ( Black polythene + vermicompost: 10 t ha ), while the 11 23 minimum growth and yield parameter were obtained from M OM ( control) at each observation stage”
e4“The experiment was conducted in the field of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh”
Claim · model-written summary
The highest gross and net returns of lettuce were obtained from one mulch and organic manure combination.
- Taxon
- lettuce
Lactuca sativat0 - Outcome
- highest gross and net returnse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“growth and yield of lettuce”
e2“Although the highest gross and net returns were obtained from the M OM”
Claim · model-written summary
Dry water hyacinth with poultry manure had a higher benefit cost ratio (3.37) than the other combination (3.14).
- Taxon
- lettuce
Lactuca sativat0 - Treatment
- Dry water hyacinth + poultry manuree3
- Outcome
- Benefit cost ratioe3
- Direction
- more economice3
- Value
- 3.37e3
- Qualifier
- 3.14e3
- Comparator
- M OMe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“growth and yield of lettuce”
e3“from economic point of view (Benefit cost ratio) treatment M OM ( Dry water hyacinth + poultry manure 12 : 3.37) was more economic than the M OM (3.14)”
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