Abstract
Conservation of water using mulches is a viable option under semiarid conditions for enhancing water use efficiency. Effect of mulches varies among years and with the amount and timing of mulching. Lucerne is a key crop for organic farming systems under semiarid conditions in Austria. Effect of mulching with lucerne has not been thoroughly investigated. Field experiments were conducted to assess the effect of lucerne utilization system (nonmulch versus mulch) on its shoot and root dry matter yield, biological nitrogen fixation and water use efficiency. Experiments were laid out in randomized complete block design with four replicates at the experimental farm of University of Natural Resources and Life Sciences, Vienna, Austria, during 2007–2008. Mulching was effective in lowering soil temperature by 1–6°C in the top 5 cm of soil. Utilization systems did not significantly affect the other studied parameters (P < 0.05). Lucerne shoot and root dry matter yield, biological nitrogen fixation, and water use efficiency were greater in 2008 than in 2007. Effect of lucerne utilization systems on soil properties needs to be investigated over long-term studies to verify results of this 2-year study.
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Claims 6
Claim · model-written summary
Lucerne mulch lowered topsoil temperature by 1–6°C.
- Taxon
- Lucerne
Medicago sativat0 - Treatment
- Mulchinge0
- Outcome
- soil temperaturee0
- Direction
- loweringe0
- Value
- 1–6°Ce0
- Qualifier
- top 5 cm of soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mulching was effective in lowering soil temperature by 1–6°C in the top 5 cm of soil.”
t0“Lucerne”
Claim · model-written summary
Utilization systems did not significantly affect the other studied parameters.
- Taxon
- LucerneMedicago sativat0
- Treatment
- Utilization systemse0
- Outcome
- other studied parameterse0
- Direction
- did not significantly affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Utilization systems did not significantly affect the other studied parameters (P < 0.05).”
t0“Lucerne”
Claim · model-written summary
Lucerne shoot and root dry matter yield was greater in 2008 than 2007.
- Taxon
- LucerneMedicago sativae0
- Outcome
- shoot and root dry matter yielde0
- Direction
- greatere0
- Comparator
- 2007e0
- Setting
- 2008e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lucerne shoot and root dry matter yield, biological nitrogen fixation, and water use efficiency were greater in 2008 than in 2007.”
Claim · model-written summary
Lucerne biological nitrogen fixation was greater in 2008 than 2007.
- Taxon
- LucerneMedicago sativae0
- Outcome
- biological nitrogen fixatione0
- Direction
- greatere0
- Comparator
- 2007e0
- Setting
- 2008e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lucerne shoot and root dry matter yield, biological nitrogen fixation, and water use efficiency were greater in 2008 than in 2007.”
Claim · model-written summary
Lucerne water use efficiency was greater in 2008 than 2007.
- Taxon
- LucerneMedicago sativae0
- Outcome
- water use efficiencye0
- Direction
- greatere0
- Comparator
- 2007e0
- Setting
- 2008e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lucerne shoot and root dry matter yield, biological nitrogen fixation, and water use efficiency were greater in 2008 than in 2007.”
Claim · model-written summary
The authors call for long-term study of utilization systems and soil properties.
- Taxon
- lucerneMedicago sativae0
- Outcome
- investigated over long-term studiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Effect of lucerne utilization systems on soil properties needs to be investigated over long-term studies to verify results of this 2-year study.”
The same questions in other papers
mulching · soil: physics · Medicago sativa (alfalfa)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.