Abstract
Determining the effect of irrigated and rainfed conditions on light interception, light extinction coefficient (k), radiation use efficiency (RUE), biomass, and storage root accumulation of cassava was the objective of this study. The field experiment was arranged in a randomized complete block design (RCBD) with four replications. The effect of irrigated and rainfed water conditions in cassava were evaluated under two planting dates for two years. Light interception depended on k and LAI which affected solar radiation accumulation and thus biomass production for cassava. The k values ranged from 0.49 to 0.93 a nd 0.46 to 0.86 for irrigated and rainfed crops, respectively. The RUEbi and RUEsr depended on water conditions and crop growth stages and seasons, whereas rainfed crops in the May planting were slightly lower in RUEbi than irrigated crops. RUEbi of the crop planted in November was not significantly different for irrigated and rainfed crops. Irrigation at the late growth stage could maintain higher LAI, light interception, and RUE for the crop planted in May, whereas those in November planting were not significantly different.
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Claims 8
Claim · model-written summary
Cassava light interception depended on extinction coefficient and leaf area index, affecting accumulated radiation and biomass.
- Taxon
- cassava
Manihot esculentae0 - Outcome
- Light interceptione0
- Qualifier
- k and LAIe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Light interception depended on k and LAI which affected solar radiation accumulation and thus biomass production for cassava.”
Claim · model-written summary
The extinction coefficient ranged from 0.49 to 0.93 for irrigated cassava.
- Taxon
- CassavaManihot esculentat0
- Treatment
- irrigatede0
- Outcome
- k valuese0
- Value
- 0.49 to 0.93e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The k values ranged from 0.49 to 0.93 a nd 0.46 to 0.86 for irrigated and rainfed crops, respectively.”
t0“Cassava”
Claim · model-written summary
The extinction coefficient ranged from 0.46 to 0.86 for rainfed cassava.
- Taxon
- CassavaManihot esculentat0
- Treatment
- rainfede0
- Outcome
- k valuese0
- Value
- 0.46 to 0.86e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The k values ranged from 0.49 to 0.93 a nd 0.46 to 0.86 for irrigated and rainfed crops, respectively.”
t0“Cassava”
Claim · model-written summary
Radiation use efficiency for biomass and storage roots depended on water regime, growth stage and season.
- Taxon
- CassavaManihot esculentat0
- Organ / stage
- crop growth stagese0
- Treatment
- water conditionse0
- Outcome
- RUEbi and RUEsre0
- Qualifier
- seasonse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The RUEbi and RUEsr depended on water conditions and crop growth stages and seasons”
t0“Cassava”
Claim · model-written summary
May planted rainfed cassava had slightly lower biomass radiation use efficiency than irrigated cassava.
- Taxon
- CassavaManihot esculentat0
- Treatment
- rainfede0
- Outcome
- RUEbie0
- Direction
- lowere0
- Qualifier
- May plantinge0
- Comparator
- irrigated cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rainfed crops in the May planting were slightly lower in RUEbi than irrigated crops”
t0“Cassava”
Claim · model-written summary
November planted cassava had no significant biomass radiation use efficiency difference between irrigated and rainfed conditions.
- Taxon
- CassavaManihot esculentat0
- Treatment
- irrigatede0
- Outcome
- RUEbie0
- Direction
- not significantly differente0
- Qualifier
- planted in Novembere0
- Comparator
- rainfed cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“RUEbi of the crop planted in November was not significantly different for irrigated and rainfed crops.”
t0“Cassava”
Claim · model-written summary
Late irrigation maintained higher leaf area index and light interception in May planted cassava.
- Taxon
- CassavaManihot esculentat0
- Treatment
- Irrigation at the late growth stagee0
- Outcome
- LAI, light interceptione0
- Direction
- highere0
- Qualifier
- planted in Maye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation at the late growth stage could maintain higher LAI, light interception, and RUE for the crop planted in May”
t0“Cassava”
Claim · model-written summary
Late irrigation could maintain higher radiation use efficiency in May planted cassava.
- Taxon
- CassavaManihot esculentat0
- Treatment
- Irrigation at the late growth stagee0
- Outcome
- RUEe0
- Direction
- highere0
- Qualifier
- planted in Maye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation at the late growth stage could maintain higher LAI, light interception, and RUE for the crop planted in May”
t0“Cassava”
The same questions in other papers
irrigation · growth · Manihot esculenta (cassava)Results differ
13 papers in the same direction as this paper · 4 in the opposite direction
- positive
- negative
- no effect
14 papers more in this group
See all 18 papers →stage · growth · Manihot esculenta (cassava)Results agree
1 paper in the same direction as this paper
- 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.