Abstract
Abstract To evaluate the interaction effects of planting date and different levels of nitrogen fertilizer on sorghum ( Sorghum bicolor var. Speed feed) forage production, an experiment was conducted in split plots based on a complete randomized block design in Agricultural Research Station of Khorramabad, Lorestan province, Iran. The experimental treatments comprised of three nitrogen fertilizer levels of control (N0), 100 (N1), and 150 kg per hectare (N2), assigned to main plots and three sowing dates of T1 (June, 10 th ), T2 (June 26 th ) and T3 (July 11 th ) assigned to subplots. Results showed that in sum of two harvests, the yield of hay, forage, leaf and shoot hay weigh in second planting date and N2 and N3 level of fertility was higher than all treatments. In the case of quality treatments the percent of crude protein in first harvest had the most amounts in first and second planting date and N1, N2 and N3 fertility levels. Crude fiber percentage in first harvest of second planting date was highest in N1, N2 and N3 levels of fertility. Treatment interactions had not any significant effect for crude fiber. The most ash percent was observed in first harvest and N1, N2 and N3 fertility level. In second harvest time N2 and N3 fertility levels were superior to the rest. Also, fat percentage in first and second planting date and N1, N2 and N3 increased than the control fertility treatment.
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Claims 7
Claim · model-written summary
Combined-harvest hay, forage, leaf and shoot hay yields were higher at the second planting date and N2/N3 levels than other treatments.
- Treatment
- second planting date and N2 and N3 level of fertilitye0
- Outcome
- yield of hay, forage, leaf and shoot hay weighe0
- Direction
- highere0
- Comparator
- all treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the yield of hay, forage, leaf and shoot hay weigh in second planting date and N2 and N3 level of fertility was higher than all treatments”
e1“on sorghum ( Sorghum bicolor var. Speed feed) forage production”
Claim · model-written summary
First-harvest crude protein percentage was greatest for the first and second planting dates at N1, N2 and N3.
- Organ / stage
- first harveste0
- Treatment
- first and second planting date and N1, N2 and N3 fertility levelse0
- Outcome
- percent of crude proteine0
- Direction
- moste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the percent of crude protein in first harvest had the most amounts in first and second planting date and N1, N2 and N3 fertility levels”
e1“on sorghum ( Sorghum bicolor var. Speed feed) forage production”
Claim · model-written summary
First-harvest crude fiber percentage was highest at the second planting date under N1, N2 and N3.
- Treatment
- second planting datee0
- Outcome
- Crude fiber percentagee0
- Direction
- higheste0
- Qualifier
- N1, N2 and N3 levels of fertilitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Crude fiber percentage in first harvest of second planting date was highest in N1, N2 and N3 levels of fertility”
e1“on sorghum ( Sorghum bicolor var. Speed feed) forage production”
Claim · model-written summary
Treatment interactions had no significant effect on crude fiber.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Treatment interactions had not any significant effect for crude fiber”
e1“on sorghum ( Sorghum bicolor var. Speed feed) forage production”
Claim · model-written summary
Ash percentage was greatest in the first harvest under N1, N2 and N3.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The most ash percent was observed in first harvest and N1, N2 and N3 fertility level”
e1“on sorghum ( Sorghum bicolor var. Speed feed) forage production”
Claim · model-written summary
N2 and N3 fertility levels were superior in the second harvest.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“In second harvest time N2 and N3 fertility levels were superior to the rest”
e1“on sorghum ( Sorghum bicolor var. Speed feed) forage production”
Claim · model-written summary
Fat percentage rose at the first and second planting dates under N1, N2 and N3 compared with control fertility.
- Treatment
- first and second planting date and N1, N2 and N3e0
- Outcome
- fat percentagee0
- Direction
- increasede0
- Comparator
- control fertility treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“fat percentage in first and second planting date and N1, N2 and N3 increased than the control fertility treatment”
e1“on sorghum ( Sorghum bicolor var. Speed feed) forage production”
The same questions in other papers
sowing time · quality: protein · SorghumPositive and negative results
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- no effect
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See all 5 papers →sowing time · yield · SorghumPositive and negative results
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- negative
- negative
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See all 71 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.