Abstract
To investigate the effects of sowing date and plant density on quantitative and qualitative yield of forage brown mustard (S-83 line), a split-plot experiment based on a randomized complete blocks design with four replicates was carried out in 2015 and 2016. The experiment was done in saline (10 ds/m) and non-saline (2 ds/m) environments in the research farm of Mazraeh Nemooneh (Anbaralum township), Iran. The main factor was the sowing date at five levels (starting from Nov 6, with 15-day intervals), and plant density at three levels (208000, 277000 and 416000) was assigned to subplots. The results showed that the effects of year and sowing date on all traits were significant at p<0.01. Also, the effect of plant density on the number of branches, fresh forage yield, pods per plant and fresh pod weight was significant at p<0.01. Furthermore, the interaction effect of year × environment on plant height, fresh forage yield, pods per plant, dry forage yield, number of auxiliary branches, leaf fiber percentage and phenological traits of brown mustard was significant at p<0.01. The mean comparison showed that late sowing led to an increase in leaf protein and fiber percentage, whereas salinity significantly decreased shoot dry weight, plant height and fresh and dry forage yield. Also, soil salinity not only decreased the protein percentage but lowered forage quality and fresh forage yield by 7000 and 4000 kg/ha in the first and second years, respectively. The highest forage yield was 42593.5 kg/ha and obtained when the plant was sown on Nov 6, and late sowing decreased the yield. Overall, sowing on Nov 6 was optimum and later sowing dates lead to decreased fresh and dry forage yield.
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Claims 17
Claim · model-written summary
Year significantly affected all assessed traits.
- Taxon
- Brassica juncea
Brassica junceat0 - Outcome
- all traitse0
- Setting
- yeare0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effects of year and sowing date on all traits were significant at p<0.01”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
Sowing date significantly affected all assessed traits.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- sowing datee0
- Outcome
- all traitse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effects of year and sowing date on all traits were significant at p<0.01”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
Plant density significantly affected branch number, fresh forage yield and pods per plant.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- plant densitye0
- Outcome
- number of branches, fresh forage yield, pods per plante0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effect of plant density on the number of branches, fresh forage yield, pods per plant and fresh pod weight was significant at p<0.01”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
Plant density significantly affected fresh pod weight.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- plant densitye0
- Outcome
- fresh pod weighte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effect of plant density on the number of branches, fresh forage yield, pods per plant and fresh pod weight was significant at p<0.01”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
The year-by-environment interaction significantly affected plant height, fresh forage yield and pods per plant.
- Taxon
- brown mustardBrassica junceae0
- Outcome
- plant height, fresh forage yield, pods per plante0
- Setting
- year × environmente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the interaction effect of year × environment on plant height, fresh forage yield, pods per plant, dry forage yield, number of auxiliary branches, leaf fiber percentage and phenological traits of brown mustard was significant at p<0.01”
Claim · model-written summary
The year-by-environment interaction significantly affected dry forage yield, auxiliary branch number and leaf fiber percentage.
- Taxon
- brown mustardBrassica junceae0
- Outcome
- dry forage yield, number of auxiliary branches, leaf fiber percentagee0
- Setting
- year × environmente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the interaction effect of year × environment on plant height, fresh forage yield, pods per plant, dry forage yield, number of auxiliary branches, leaf fiber percentage and phenological traits of brown mustard was significant at p<0.01”
Claim · model-written summary
The year-by-environment interaction significantly affected phenological traits.
- Taxon
- brown mustardBrassica junceae0
- Outcome
- phenological traitse0
- Setting
- year × environmente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the interaction effect of year × environment on plant height, fresh forage yield, pods per plant, dry forage yield, number of auxiliary branches, leaf fiber percentage and phenological traits of brown mustard was significant at p<0.01”
Claim · model-written summary
Late sowing increased leaf protein and fiber percentage.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- late sowinge0
- Outcome
- leaf protein and fiber percentagee0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“late sowing led to an increase in leaf protein and fiber percentage”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
Salinity significantly reduced shoot dry weight and plant height.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- salinitye0
- Outcome
- shoot dry weight, plant heighte0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salinity significantly decreased shoot dry weight, plant height and fresh and dry forage yield”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
Salinity significantly reduced fresh and dry forage yield.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- salinitye0
- Outcome
- fresh and dry forage yielde0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salinity significantly decreased shoot dry weight, plant height and fresh and dry forage yield”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
Soil salinity decreased protein percentage.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- soil salinitye0
- Outcome
- protein percentagee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil salinity not only decreased the protein percentage but lowered forage quality and fresh forage yield by 7000 and 4000 kg/ha in the first and second years, respectively”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
Soil salinity lowered forage quality.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- soil salinitye0
- Outcome
- forage qualitye0
- Direction
- lowerede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil salinity not only decreased the protein percentage but lowered forage quality and fresh forage yield by 7000 and 4000 kg/ha in the first and second years, respectively”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
Soil salinity lowered fresh forage yield by 7000 kg/ha in the first year.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- soil salinitye0
- Outcome
- fresh forage yielde0
- Direction
- lowerede0
- Value
- 7000e0
- Qualifier
- in the first and second years, respectivelye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil salinity not only decreased the protein percentage but lowered forage quality and fresh forage yield by 7000 and 4000 kg/ha in the first and second years, respectively”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
Soil salinity lowered fresh forage yield by 4000 kg/ha in the second year.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- soil salinitye0
- Outcome
- fresh forage yielde0
- Direction
- lowerede0
- Value
- 4000 kg/hae0
- Qualifier
- in the first and second years, respectivelye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil salinity not only decreased the protein percentage but lowered forage quality and fresh forage yield by 7000 and 4000 kg/ha in the first and second years, respectively”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
Sowing on Nov 6 produced the highest forage yield, 42593.5 kg/ha.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- sown on Nov 6e0
- Outcome
- forage yielde0
- Direction
- higheste0
- Value
- 42593.5 kg/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest forage yield was 42593.5 kg/ha and obtained when the plant was sown on Nov 6”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
Later sowing dates reduced fresh and dry forage yield.
- Taxon
- Brassica junceaBrassica junceat0
- Treatment
- later sowing datese0
- Outcome
- fresh and dry forage yielde0
- Direction
- decreasede0
- Comparator
- Nov 6e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sowing on Nov 6 was optimum and later sowing dates lead to decreased fresh and dry forage yield”
t0“Brown Mustard (Brassica juncea)”
Claim · model-written summary
The authors conclude that sowing on Nov 6 is optimum.
- Taxon
- Brassica junceaBrassica junceat0
- Outcome
- sowing on Nov 6e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sowing on Nov 6 was optimum”
t0“Brown Mustard (Brassica juncea)”
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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.