Abstract
Potassium-nutrition is a subject of great consideration, as research has revealed its importance in increasing sugar recovery in sugarcane. While it cannot achieve its genetic expression of yield without proper planting technology. Therefore, the present study was conducted to optimize the planting method and K level to improve the yield and sugar recovery of sugarcane at University of Agriculture Faisalabad in 2014-2016. Treatments comprised of four planting methods viz. i) 90 cm spaced pits with a diameter of 90 cm, ii) 90 cm spaced pits with a diameter of 90 cm in diagonal fashion, iii) 90 cm spaced double row strips and iv) 120 cm spaced trench planting in combination with four K nutrition levels i.e., 0, 100, 200 and 300 kg/ha K2O. Results revealed that K application improved the growth, cane yield and sugar recovery irrespective of planting method. However, maximum number of tillers were recorded in sugarcane sown in diagonal pit planting at 90 cm with 100 kg/ha K2O. Likewise, Leaf area index and net assimilation rate were substantially improved with K application in all planting methods. More cane weight (15%) was obtained at sugarcane sown in 120 cm spaced trenches with 200 kg/ha K2O during both the years. Stripped cane yield was maximum in diagonal pit planting at 90 cm with 100 kg/ha K2O (113.7 t/ha) during the plant crop year and diagonal pit plantation + 200 kg/ha K2O (98.22 t/ha) during the ratoon crop year. Likewise, maximum potassium use efficiency (KUE) i.e. 99.5 and 88.2 kg /kg were recorded in planting of sugarcane in diagonal pits at 90 cm with 100 kg/ha K2O during plant crop year and 120 cm trenches +100 kg/ha K2O during the ratoon crop year, respectively. Sugar recovery was also enhanced by all the K nutrition levels over control. The cultivation of sugarcane in 90 cm spaced pits with the supplementation of potash at 100 kg/ha gave the maximum sugar yield of 15.8 t/ha in plant crop year and 13.2 t/ha in the ratoon crop year. The combined economic analysis over two years (plant + ratoon year) revealed that sugarcane planting was more beneficial at 120 cm spaced trenches, with 100 kg potash/ha (3678$); which was followed by 90 cm diagonal pit plantation +100 kg/ha K2O which gave the combined benefits of 3611$. Sugar cane may be planted in 90 cm diagonal pits and 120 cm spaced trenches with 100 kg/ha potash to improve the cane yield and sugar recovery
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Claims 14
Claim · model-written summary
K application improved growth, cane yield and sugar recovery.
- Taxon
- sugarcanee1
- Treatment
- K applicatione0
- Outcome
- growth, cane yield and sugar recoverye0
- Direction
- improvede0
Not reportedComparator
Verbatim
e0“K application improved the growth, cane yield and sugar recovery irrespective of planting method.”
e1“yield and sugar recovery of sugarcane”
Claim · model-written summary
Diagonal pit planting with 100 kg/ha K2O gave the maximum tiller number.
- Taxon
- sugarcanee0
- Treatment
- diagonal pit planting at 90 cm with 100 kg/ha K2Oe0
- Outcome
- number of tillerse0
- Direction
- maximume0
Not reportedComparator
Verbatim
e0“maximum number of tillers were recorded in sugarcane sown in diagonal pit planting at 90 cm with 100 kg/ha K2O.”
Claim · model-written summary
K application improved leaf area index and net assimilation rate.
- Taxon
- sugarcanee1
- Treatment
- K applicatione0
- Outcome
- Leaf area index and net assimilation ratee0
- Direction
- improvede0
Not reportedComparator
Verbatim
e0“Leaf area index and net assimilation rate were substantially improved with K application in all planting methods.”
e1“yield and sugar recovery of sugarcane”
Claim · model-written summary
Trenches with 200 kg/ha K2O gave 15% more cane weight.
- Taxon
- sugarcanee0
- Treatment
- 120 cm spaced trenches with 200 kg/ha K2Oe0
- Outcome
- cane weighte0
- Direction
- Moree0
- Value
- 15%e0
Not reportedComparator
Verbatim
e0“More cane weight (15%) was obtained at sugarcane sown in 120 cm spaced trenches with 200 kg/ha K2O during both the years.”
Claim · model-written summary
Plant crop stripped cane yield reached 113.7 t/ha.
- Taxon
- sugarcanee1
- Treatment
- diagonal pit planting at 90 cm with 100 kg/ha K2Oe0
- Outcome
- Stripped cane yielde0
- Direction
- maximume0
- Value
- 113.7 t/hae0
Not reportedComparator
Verbatim
e0“Stripped cane yield was maximum in diagonal pit planting at 90 cm with 100 kg/ha K2O (113.7 t/ha) during the plant crop year”
e1“yield and sugar recovery of sugarcane”
Claim · model-written summary
Ratoon stripped cane yield reached 98.22 t/ha.
- Taxon
- sugarcanee1
- Treatment
- diagonal pit plantation + 200 kg/ha K2Oe0
- Outcome
- Stripped cane yielde0
- Direction
- maximume0
- Value
- 98.22 t/hae0
Not reportedComparator
Verbatim
e0“Stripped cane yield was maximum in diagonal pit planting at 90 cm with 100 kg/ha K2O (113.7 t/ha) during the plant crop year and diagonal pit plantation + 200 kg/ha K2O (98.22 t/ha) during the ratoon crop year.”
e1“yield and sugar recovery of sugarcane”
Claim · model-written summary
Plant crop potassium use efficiency reached 99.5.
- Taxon
- sugarcanee0
- Treatment
- diagonal pits at 90 cm with 100 kg/ha K2Oe0
- Outcome
- potassium use efficiencye0
- Direction
- maximume0
- Value
- 99.5e0
Not reportedComparator
Verbatim
e0“maximum potassium use efficiency (KUE) i.e. 99.5 and 88.2 kg /kg were recorded in planting of sugarcane in diagonal pits at 90 cm with 100 kg/ha K2O during plant crop year and 120 cm trenches +100 kg/ha K2O during the ratoon crop year, respectively.”
Claim · model-written summary
Ratoon potassium use efficiency reached 88.2 kg /kg.
- Taxon
- sugarcanee0
- Treatment
- 120 cm trenches +100 kg/ha K2Oe0
- Outcome
- potassium use efficiencye0
- Direction
- maximume0
- Value
- 88.2 kg /kge0
Not reportedComparator
Verbatim
e0“maximum potassium use efficiency (KUE) i.e. 99.5 and 88.2 kg /kg were recorded in planting of sugarcane in diagonal pits at 90 cm with 100 kg/ha K2O during plant crop year and 120 cm trenches +100 kg/ha K2O during the ratoon crop year, respectively.”
Claim · model-written summary
All K levels improved sugar recovery over control.
Verbatim
e0“Sugar recovery was also enhanced by all the K nutrition levels over control.”
e1“yield and sugar recovery of sugarcane”
Claim · model-written summary
Plant crop sugar yield reached 15.8 t/ha.
- Taxon
- sugarcanee0
- Treatment
- 90 cm spaced pits with the supplementation of potash at 100 kg/hae0
- Outcome
- sugar yielde0
- Direction
- maximume0
- Value
- 15.8 t/hae0
Not reportedComparator
Verbatim
e0“The cultivation of sugarcane in 90 cm spaced pits with the supplementation of potash at 100 kg/ha gave the maximum sugar yield of 15.8 t/ha in plant crop year and 13.2 t/ha in the ratoon crop year.”
Claim · model-written summary
Ratoon sugar yield reached 13.2 t/ha.
- Taxon
- sugarcanee0
- Treatment
- 90 cm spaced pits with the supplementation of potash at 100 kg/hae0
- Outcome
- sugar yielde0
- Direction
- maximume0
- Value
- 13.2 t/hae0
Not reportedComparator
Verbatim
e0“The cultivation of sugarcane in 90 cm spaced pits with the supplementation of potash at 100 kg/ha gave the maximum sugar yield of 15.8 t/ha in plant crop year and 13.2 t/ha in the ratoon crop year.”
Claim · model-written summary
Trenches with 100 kg potash/ha gave 3678$ combined benefits.
- Taxon
- sugarcanee0
- Treatment
- 120 cm spaced trenches, with 100 kg potash/hae0
- Outcome
- combined benefitse0
- Direction
- more beneficiale0
- Value
- 3678$e0
Not reportedComparator
Verbatim
e0“sugarcane planting was more beneficial at 120 cm spaced trenches, with 100 kg potash/ha (3678$); which was followed by 90 cm diagonal pit plantation +100 kg/ha K2O which gave the combined benefits of 3611$.”
Claim · model-written summary
Diagonal pits with 100 kg/ha K2O gave 3611$ combined benefits.
- Taxon
- sugarcanee0
- Treatment
- 90 cm diagonal pit plantation +100 kg/ha K2Oe0
- Outcome
- combined benefitse0
- Direction
- more beneficiale0
- Value
- 3611$e0
Not reportedComparator
Verbatim
e0“sugarcane planting was more beneficial at 120 cm spaced trenches, with 100 kg potash/ha (3678$); which was followed by 90 cm diagonal pit plantation +100 kg/ha K2O which gave the combined benefits of 3611$.”
Claim · model-written summary
The authors recommend diagonal pits or trenches with 100 kg/ha potash.
Verbatim
e0“Sugar cane may be planted in 90 cm diagonal pits and 120 cm spaced trenches with 100 kg/ha potash to improve the cane yield and sugar recovery”
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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.