Abstract
This Investigation was carried out at Nubaria Agricultural Research Station (30° 54´ N, 29° 57´ E, and 15m above sea level), Agricultural Research Centre (ARC), Ministry of Agriculture and Land Reclamation (MALR), El-Behiera Governorate, Egypt, during 2016-2018 period to study the effects of application liquid humic acid on alfalfa forage yield and quality under irrigation water regime. Three irrigation water regime treatments were100%, 80% and 60% of ETp and three humic acid rates 0, 3 and 6 L/ha humic acid were tested in a strip-plot design. As water requirements decreased forage yield significantly decreased, in the 4 seasons for each year. No significant differences were found between the fresh or dry forage yields or leaf/stem ratio under 100% water requirement without humic acid and 80% water requirement with 6 L/ha humic acid. No significant differences were found between protein content under the interaction between irrigation water requirements and humic acid rate. Irrigation water use efficiency increased under water stress as an application of humic acid rate increased. The previous results indicate that, under experimental conditions, it is possible to save 20% of the amount of added water when adding 6 L/ha humic acid with an insignificant increases in yield amount to 11.421 t /ha.
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Claims 5
Claim · model-written summary
Lower water requirement significantly reduced forage yield across four seasons each year.
- Taxon
- Alfalfa
Medicago sativat0 - Treatment
- water requirements decreasede0
- Outcome
- forage yielde0
- Direction
- decreasede0
- Qualifier
- in the 4 seasons for each yeare0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As water requirements decreased forage yield significantly decreased, in the 4 seasons for each year.”
t0“Alfalfa”
Claim · model-written summary
Fresh and dry forage yields and leaf/stem ratio did not differ significantly between full irrigation without humic acid and 80% irrigation with 6 L/ha humic acid.
- Taxon
- AlfalfaMedicago sativat0
- Treatment
- 80% water requirement with 6 L/ha humic acide0
- Outcome
- fresh or dry forage yields or leaf/stem ratioe0
- Direction
- No significant differencese0
- Comparator
- 100% water requirement without humic acide0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No significant differences were found between the fresh or dry forage yields or leaf/stem ratio under 100% water requirement without humic acid and 80% water requirement with 6 L/ha humic acid.”
t0“Alfalfa”
Claim · model-written summary
Protein content did not differ significantly under the irrigation and humic acid interaction.
- Taxon
- AlfalfaMedicago sativat0
- Treatment
- interaction between irrigation water requirements and humic acid ratee0
- Outcome
- protein contente0
- Direction
- No significant differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No significant differences were found between protein content under the interaction between irrigation water requirements and humic acid rate.”
t0“Alfalfa”
Claim · model-written summary
Irrigation water use efficiency increased with higher humic acid rates under water stress.
- Taxon
- AlfalfaMedicago sativat0
- Treatment
- humic acid ratee0
- Outcome
- Irrigation water use efficiencye0
- Direction
- increasede0
- Qualifier
- under water stresse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation water use efficiency increased under water stress as an application of humic acid rate increased.”
t0“Alfalfa”
Claim · model-written summary
The authors conclude that applying 6 L/ha humic acid could save 20% irrigation water under experimental conditions.
- Taxon
- AlfalfaMedicago sativat0
- Treatment
- 6 L/ha humic acide0
- Outcome
- save 20% of the amount of added watere0
- Value
- 20%e0
- Qualifier
- under experimental conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“under experimental conditions, it is possible to save 20% of the amount of added water when adding 6 L/ha humic acid with an insignificant increases in yield amount to 11.421 t /ha.”
t0“Alfalfa”
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