Abstract
The study was conducted at Wondo Genet Agricultural Research Center, Koka research station, Ethiopia, 8°26’ N latitude, 39°02’ E longitude and 1602 m.a.s.l. based on the objective to select most effective water saving techniques and improve water productivity of irrigated maize (Zea mays L.). Three types of furrow irrigation methods (alternate, fixed and conventional furrow irrigation methods) and two mulch types and no mulch with three replications were used as two factors to evaluate the yield and yield component including water use efficiency of maize in split-plot design. Different types of irrigation method highly significantly (p<0.01) affected all the studied parameters of yield and yield components of maize at Koka both season except number of grains per cob. Moreover, maize growth, yield and yield components were highly significantly (p<0.01) influenced due to different mulch types used. However, there was no interaction effect due to the two factors studied (irrigation type and mulching type). Significantly a higher growth, yield and yield component of maize was recorded due to conventional furrow irrigation method than alternate and fixed furrow irrigation method. However, higher water use efficiency was obtained due to alternate furrow irrigation method. Moreover, higher growth, yield and yield components including water use efficiency were obtained due to plastic mulch than no mulch and straw mulch for maize at koka. Therefore, for maximizing grain yield under no water stress scenario, irrigation of maize with conventional furrow irrigation methods could be used. On the other hand, under limiting irrigation water resource condition, irrigation of maize could be done with alternate furrow irrigation method with plastic mulch application to minimize evaporation loss and maximize water productivity of maize at Koka and similar agro-ecology and soil type.
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Claims 8
Claim · model-written summary
Irrigation method significantly affected maize yield and yield components except grains per cob.
Zea maysNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Different types of irrigation method highly significantly (p<0.01) affected all the studied parameters of yield and yield components of maize at Koka both season except number of grains per cob”
Claim · model-written summary
Mulch type significantly affected maize growth, yield and yield components.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maize growth, yield and yield components were highly significantly (p<0.01) influenced due to different mulch types used”
Claim · model-written summary
Irrigation and mulching had no interaction effect.
- Treatment
- irrigation type and mulching typee0
- Outcome
- interaction effecte0
- Direction
- no interaction effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was no interaction effect due to the two factors studied (irrigation type and mulching type)”
t0“maize”
Claim · model-written summary
Conventional furrow irrigation gave significantly higher growth, yield and yield components than alternate and fixed furrows.
- Treatment
- conventional furrow irrigation methode0
- Outcome
- growth, yield and yield componente0
- Direction
- highere0
- Comparator
- alternate and fixed furrow irrigation methode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significantly a higher growth, yield and yield component of maize was recorded due to conventional furrow irrigation method than alternate and fixed furrow irrigation method”
Claim · model-written summary
Alternate furrow irrigation gave higher water use efficiency.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher water use efficiency was obtained due to alternate furrow irrigation method”
t0“maize”
Claim · model-written summary
Plastic mulch gave higher growth, yield, yield components and water use efficiency than no mulch or straw mulch.
- Treatment
- plastic mulche0
- Outcome
- growth, yield and yield components including water use efficiencye0
- Direction
- highere0
- Comparator
- no mulch and straw mulche0
- Setting
- kokae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher growth, yield and yield components including water use efficiency were obtained due to plastic mulch than no mulch and straw mulch for maize at koka”
Claim · model-written summary
The authors recommend conventional furrow irrigation to maximize grain yield without water stress.
- Treatment
- conventional furrow irrigation methodse0
- Outcome
- maximizing grain yielde0
- Qualifier
- no water stress scenarioe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“for maximizing grain yield under no water stress scenario, irrigation of maize with conventional furrow irrigation methods could be used”
Claim · model-written summary
The authors recommend alternate furrows with plastic mulch under limited irrigation water to maximize water productivity.
- Treatment
- alternate furrow irrigation method with plastic mulch applicatione0
- Outcome
- maximize water productivitye0
- Qualifier
- limiting irrigation water resource conditione0
- Setting
- Kokae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“under limiting irrigation water resource condition, irrigation of maize could be done with alternate furrow irrigation method with plastic mulch application to minimize evaporation loss and maximize water productivity of maize at Koka and similar agro-ecology and soil type”
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