Abstract
Withholding irrigation before harvesting is important for inducing maturity in sugarcane. The study was carried out to determine the optimum period of withholding irrigation for inducing maturity in sugarcane in southern Ethiopia. Field experiments were conducted on two sugarcane varieties, N Co 334 and B 52 298 by five treatments of withholding irrigation periods for 20, 30, 40 50 and 60 days in randomized complete block design at the crop age of 11.3 months during 2014-15. The data on soil moisture content, top to bottom ratio of Brix in cane juice by hand refractometer, Brix, pol, purity and reducing sugars percent juice, and recoverable sugar percent cane, estimated sugar yield were recorded. Error variances for all characters except top to bottom ratio of Brix and reducing sugars in canes in experiments of both varieties were homogeneous and thus the data were also analyzed in split-plot design with varieties as the main plot and withholding irrigation period (WIP) treatments as subplots. The soil moisture percent differed at different WIPs with lowest at WIP for 60 days. Quality characters, top to bottom ratio of Brix in juice, Brix, pol or sucrose, purity, and sugar recovery percent cane increased significantly with the increase in WIPs, being highest at 50 and 60 days. Reducing sugars percent juice declined significantly with lowest at WIPs for 60 days. Estimated sugar yield increased significantly with the maximum at WIP for 50 and 60 days. The optimum period for withholding irrigation was 50 to 60 days for inducing maturity in sugarcane if not offset by rains. It was, therefore, suggestive that the irrigation could be withheld to sugarcane crop of about 12 months for 50 to 60 days but the quality of sugarcane should be determined before harvesting for obtaining maximum sugar yield in southern Ethiopia
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Claims 8
Claim · model-written summary
Withholding irrigation lowered soil moisture in sugarcane fields, lowest at 60 days.
- Taxon
- sugarcanee0
- Material
- N Co 334 and B 52 298e1
- Treatment
- withholding irrigation periodse1
- Outcome
- soil moisture percente2
- Direction
- loweste2
- Setting
- southern Ethiopiae0
Not reportedComparator
Verbatim
e0“The study was carried out to determine the optimum period of withholding irrigation for inducing maturity in sugarcane in southern Ethiopia”
e1“Field experiments were conducted on two sugarcane varieties, N Co 334 and B 52 298 by five treatments of withholding irrigation periods for 20, 30, 40 50 and 60 days”
e2“The soil moisture percent differed at different WIPs with lowest at WIP for 60 days”
Claim · model-written summary
Withholding irrigation for longer periods increased top to bottom Brix ratio, Brix and pol of sugarcane juice, highest at 50 and 60 days.
- Taxon
- sugarcanee0
- Treatment
- withholding irrigation periodse1
- Outcome
- top to bottom ratio of Brix in juice, Brix, pol or sucrosee3
- Direction
- increasede3
- Qualifier
- being highest at 50 and 60 dayse3
Not reportedComparator
Verbatim
e0“The study was carried out to determine the optimum period of withholding irrigation for inducing maturity in sugarcane in southern Ethiopia”
e1“Field experiments were conducted on two sugarcane varieties, N Co 334 and B 52 298 by five treatments of withholding irrigation periods for 20, 30, 40 50 and 60 days”
e3“Quality characters, top to bottom ratio of Brix in juice, Brix, pol or sucrose, purity, and sugar recovery percent cane increased significantly with the increase in WIPs, being highest at 50 and 60 days”
Claim · model-written summary
Withholding irrigation for longer periods increased purity and sugar recovery of sugarcane, highest at 50 and 60 days.
- Taxon
- sugarcanee0
- Treatment
- withholding irrigation periodse1
- Outcome
- purity, and sugar recovery percent canee3
- Direction
- increasede3
- Qualifier
- being highest at 50 and 60 dayse3
Not reportedComparator
Verbatim
e0“The study was carried out to determine the optimum period of withholding irrigation for inducing maturity in sugarcane in southern Ethiopia”
e1“Field experiments were conducted on two sugarcane varieties, N Co 334 and B 52 298 by five treatments of withholding irrigation periods for 20, 30, 40 50 and 60 days”
e3“Quality characters, top to bottom ratio of Brix in juice, Brix, pol or sucrose, purity, and sugar recovery percent cane increased significantly with the increase in WIPs, being highest at 50 and 60 days”
Claim · model-written summary
Withholding irrigation declined reducing sugars in sugarcane juice, lowest at 60 days.
- Taxon
- sugarcanee0
- Treatment
- withholding irrigation periodse1
- Outcome
- Reducing sugars percent juicee4
- Direction
- declinede4
- Qualifier
- lowest at WIPs for 60 dayse4
Not reportedComparator
Verbatim
e0“The study was carried out to determine the optimum period of withholding irrigation for inducing maturity in sugarcane in southern Ethiopia”
e1“Field experiments were conducted on two sugarcane varieties, N Co 334 and B 52 298 by five treatments of withholding irrigation periods for 20, 30, 40 50 and 60 days”
e4“Reducing sugars percent juice declined significantly with lowest at WIPs for 60 days”
Claim · model-written summary
Withholding irrigation increased estimated sugar yield of sugarcane, with the maximum at 50 and 60 days.
- Taxon
- sugarcanee0
- Treatment
- withholding irrigation periodse1
- Outcome
- Estimated sugar yielde5
- Direction
- increasede5
- Qualifier
- with the maximum at WIP for 50 and 60 dayse5
Not reportedComparator
Verbatim
e0“The study was carried out to determine the optimum period of withholding irrigation for inducing maturity in sugarcane in southern Ethiopia”
e1“Field experiments were conducted on two sugarcane varieties, N Co 334 and B 52 298 by five treatments of withholding irrigation periods for 20, 30, 40 50 and 60 days”
e5“Estimated sugar yield increased significantly with the maximum at WIP for 50 and 60 days”
Claim · model-written summary
Withholding irrigation for 50 to 60 days is the optimum period to induce maturity in sugarcane if not offset by rains.
Verbatim
e6“The optimum period for withholding irrigation was 50 to 60 days for inducing maturity in sugarcane if not offset by rains”
Claim · model-written summary
The quality of sugarcane should be determined before harvesting to obtain maximum sugar yield.
Verbatim
e7“It was, therefore, suggestive that the irrigation could be withheld to sugarcane crop of about 12 months for 50 to 60 days but the quality of sugarcane should be determined before harvesting for obtaining maximum sugar yield in southern Ethiopia”
Claim · model-written summary
Irrigation could be withheld for 50 to 60 days in a sugarcane crop of about 12 months.
Verbatim
e7“It was, therefore, suggestive that the irrigation could be withheld to sugarcane crop of about 12 months for 50 to 60 days but the quality of sugarcane should be determined before harvesting for obtaining maximum sugar yield in southern Ethiopia”
The same questions in other papers
irrigation · quality: sugar starch · Saccharum officinarum (sugarcane)Positive and negative results
23 papers in the same direction as this paper · 15 in the opposite direction · 2 reporting no difference from an alternative
- no effect
- no effect
- no effect
37 papers more in this group
See all 41 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.