Abstract
N ARID and semi-arid regions, the amount of rainfall and its …distribution greatly affect the productivity of crops in these regions. Rainfall deficits during the critical growth stages can cause a sever crop yield losses. The study was carried out at the agricultural Experimental station, Sustainable Development Center of Matrouh Resources, Egypt, during 2014/2015 and 2015/2016 rainfall seasons to evaluate the effect of different supplemental irrigation treatments on wheat yield . The irrigation treatments included rainfall only (control), one irrigation of 50 mm at tillering or booting or grain filling, two irrigations of 100 mm at tillering and booting or tillering and grain filling or booting and grain filling, and three irrigations of 150 mm at the three stages of tillering, booting and grain filling. The obtained results showed that the application of supplemental irrigation of 150 mm at the three stages of tillering, booting and filling secured the highest significantly values of plant height (61.47 cm), spike length (9.07 cm) and number of grains/spike (46.67) in the first season only, 1000 grain weight (39.72 and 48.53 g), biological yield (5.10 and 8.72 t/ha), grain yield (1.55 and 3.40 t/ha) , straw yield (3.54 and 5.35 t/ha) and WUE (0.672 and 1.08 kg/m3) in both seasons, respectively. Wheat yield in the second season under the different supplemental irrigation treatments was simulated using the Root Zone Water Quality Model. Results showed a very good agreement between simulated and observed yields with a Nash- Sutcliff Efficiency (NSE) of 0.93. It could be concluded that supplemental irrigation is highly important for achieving a good economic yield of wheat under the rainfed condition of Matrouh Governorate, moreover the RZWQM successfully simulated the wheat yield under water stress conditions.
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Claims 10
Claim · model-written summary
Three irrigations totaling 150 mm at tillering, booting, and filling gave the highest plant height of 61.47 cm in the first season.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- supplemental irrigation of 150 mm at the three stages of tillering, booting and fillinge0
- Outcome
- plant heighte0
- Direction
- higheste0
- Value
- 61.47 cme0
- Qualifier
- in the first season onlye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of supplemental irrigation of 150 mm at the three stages of tillering, booting and filling secured the highest significantly values of plant height (61.47 cm)”
e1“in the first season only”
t0“Wheat”
Claim · model-written summary
The 150 mm schedule gave the highest spike length of 9.07 cm in the first season.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- supplemental irrigation of 150 mm at the three stages of tillering, booting and fillinge0
- Outcome
- spike lengthe0
- Direction
- higheste0
- Value
- 9.07 cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of supplemental irrigation of 150 mm at the three stages of tillering, booting and filling secured the highest significantly values of plant height (61.47 cm), spike length (9.07 cm)”
e1“in the first season only”
t0“Wheat”
Claim · model-written summary
The 150 mm schedule gave the highest number of grains per spike, 46.67, in the first season.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- supplemental irrigation of 150 mm at the three stages of tillering, booting and fillinge0
- Outcome
- number of grains/spikee0
- Direction
- higheste0
- Value
- 46.67e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of supplemental irrigation of 150 mm at the three stages of tillering, booting and filling secured the highest significantly values of plant height (61.47 cm), spike length (9.07 cm) and number of grains/spike (46.67)”
t0“Wheat”
Claim · model-written summary
The 150 mm schedule gave the highest 1000 grain weight, 39.72 and 48.53 g across the two seasons.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- supplemental irrigation of 150 mm at the three stages of tillering, booting and fillinge0
- Outcome
- 1000 grain weighte0
- Direction
- higheste0
- Value
- 39.72 and 48.53 ge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of supplemental irrigation of 150 mm at the three stages of tillering, booting and filling secured the highest significantly values of plant height (61.47 cm), spike length (9.07 cm) and number of grains/spike (46.67) in the first season only, 1000 grain weight (39.72 and 48.53 g)”
t0“Wheat”
Claim · model-written summary
The 150 mm schedule gave the highest biological yield, 5.10 and 8.72 t/ha across the two seasons.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- supplemental irrigation of 150 mm at the three stages of tillering, booting and fillinge0
- Outcome
- biological yielde0
- Direction
- higheste0
- Value
- 5.10 and 8.72 t/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of supplemental irrigation of 150 mm at the three stages of tillering, booting and filling secured the highest significantly values of plant height (61.47 cm), spike length (9.07 cm) and number of grains/spike (46.67) in the first season only, 1000 grain weight (39.72 and 48.53 g), biological yield (5.10 and 8.72 t/ha)”
t0“Wheat”
Claim · model-written summary
The 150 mm schedule gave the highest grain yield, 1.55 and 3.40 t/ha across the two seasons.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- supplemental irrigation of 150 mm at the three stages of tillering, booting and fillinge0
- Outcome
- grain yielde0
- Direction
- higheste0
- Value
- 1.55 and 3.40 t/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of supplemental irrigation of 150 mm at the three stages of tillering, booting and filling secured the highest significantly values of plant height (61.47 cm), spike length (9.07 cm) and number of grains/spike (46.67) in the first season only, 1000 grain weight (39.72 and 48.53 g), biological yield (5.10 and 8.72 t/ha), grain yield (1.55 and 3.40 t/ha)”
t0“Wheat”
Claim · model-written summary
The 150 mm schedule gave the highest straw yield, 3.54 and 5.35 t/ha across the two seasons.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- supplemental irrigation of 150 mm at the three stages of tillering, booting and fillinge0
- Outcome
- straw yielde0
- Direction
- higheste0
- Value
- 3.54 and 5.35 t/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of supplemental irrigation of 150 mm at the three stages of tillering, booting and filling secured the highest significantly values of plant height (61.47 cm), spike length (9.07 cm) and number of grains/spike (46.67) in the first season only, 1000 grain weight (39.72 and 48.53 g), biological yield (5.10 and 8.72 t/ha), grain yield (1.55 and 3.40 t/ha) , straw yield (3.54 and 5.35 t/ha)”
t0“Wheat”
Claim · model-written summary
The 150 mm schedule gave the highest water use efficiency, 0.672 and 1.08 kg/m3 across the two seasons.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- supplemental irrigation of 150 mm at the three stages of tillering, booting and fillinge0
- Outcome
- WUEe0
- Direction
- higheste0
- Value
- 0.672 and 1.08 kg/m3e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of supplemental irrigation of 150 mm at the three stages of tillering, booting and filling secured the highest significantly values of plant height (61.47 cm), spike length (9.07 cm) and number of grains/spike (46.67) in the first season only, 1000 grain weight (39.72 and 48.53 g), biological yield (5.10 and 8.72 t/ha), grain yield (1.55 and 3.40 t/ha) , straw yield (3.54 and 5.35 t/ha) and WUE (0.672 and 1.08 kg/m3)”
t0“Wheat”
Claim · model-written summary
RZWQM simulated second-season wheat yields with close agreement to observations, with NSE of 0.93.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- simulated and observed yieldse0
- Value
- 0.93e0
- Qualifier
- the second seasone1
- Comparator
- observed yieldse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed a very good agreement between simulated and observed yields with a Nash- Sutcliff Efficiency (NSE) of 0.93”
e1“Wheat yield in the second season under the different supplemental irrigation treatments was simulated using the Root Zone Water Quality Model”
t0“Wheat”
Claim · model-written summary
The authors conclude supplemental irrigation is important for economic wheat yield under rainfed conditions in Matrouh Governorate.
- Taxon
- wheatTriticum aestivume0
- Outcome
- supplemental irrigatione0
- Setting
- Matrouh Governoratee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“supplemental irrigation is highly important for achieving a good economic yield of wheat under the rainfed condition of Matrouh Governorate”
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