Abstract
To determine the optimum NPK dose for maximum cane and sugar yield, the field experiment was conducted at Sugarcane Section, Agriculture Research Institute, Tandojam, Pakistan, located at 25 o 25'60'N 68 o 31' 60E during 2008-09 and 2009-10. Sugarcane variety Thatta-10 was sown. The experiment, was meant to observe the effect of inorganic NPK fertilizers under different proportions on growth, yield and juice quality of sugarcane; comprised different inorganic NPK fertilizer doses viz. Control (0-0-0 NPK kg ha -1 ), 100% recommended (225-112-168 NPK kg ha -1 ), 75% less than recommended (56.25-28.0-42.0 NPK kg ha -1 ), 50% less than recommended (112.5-56.0-84.0 NPK kg ha -1 ), 25% less than recommended (168.75-84.0-126.0 NPK kg ha -1 ) and 25% more than recommended (281.25-140.0-210.0 NPK kg ha -1 ). In the study agronomic, physiological, quality and nutrient uptake traits viz. tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1 and 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1 . The mean values of these both NPK levels were statistically non-significant. However, all inadequate applications beyond recommended applications significantly recorded less values of all traits of sugarcane plant and ratoon crop.
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Claims 14
Claim · model-written summary
Sugarcane tillers, plant height and stem girth were higher with 100% recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 100% recommended fertilizer at 225-112-168 NPK kg ha -1e1
- Outcome
- tillers plant -1 , plant height, stem girthe1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1”
Claim · model-written summary
Sugarcane internodes, millable canes and cane yield were higher with 100% recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 100% recommended fertilizer at 225-112-168 NPK kg ha -1e1
- Outcome
- internodes plant -1 ,millable canes, cane yielde1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1”
Claim · model-written summary
Sugarcane leaf area, leaf area index and crop growth rate were higher with 100% recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 100% recommended fertilizer at 225-112-168 NPK kg ha -1e1
- Outcome
- leaf area plant -1 , leaf area index, crop growth ratee1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1”
Claim · model-written summary
Sugarcane dry matter, brix and pol were higher with 100% recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 100% recommended fertilizer at 225-112-168 NPK kg ha -1e1
- Outcome
- dry matter, brix, pole1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1”
Claim · model-written summary
Sugarcane purity and commercial cane sugar were higher with 100% recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 100% recommended fertilizer at 225-112-168 NPK kg ha -1e1
- Outcome
- purity, commercial cane sugare1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1”
Claim · model-written summary
NPK accumulation and uptake in sugarcane were higher with 100% recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 100% recommended fertilizer at 225-112-168 NPK kg ha -1e1
- Outcome
- NPK accumulation and uptake in plant and ratoon sugarcane cropse1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1”
Claim · model-written summary
Sugarcane tillers, plant height and stem girth were higher with 25% more than recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1e1
- Outcome
- tillers plant -1 , plant height, stem girthe1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1 and 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1”
Claim · model-written summary
Sugarcane internodes, millable canes and cane yield were higher with 25% more than recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1e1
- Outcome
- internodes plant -1 ,millable canes, cane yielde1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1 and 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1”
Claim · model-written summary
Sugarcane leaf area, leaf area index and crop growth rate were higher with 25% more than recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1e1
- Outcome
- leaf area plant -1 , leaf area index, crop growth ratee1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1 and 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1”
Claim · model-written summary
Sugarcane dry matter, brix and pol were higher with 25% more than recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1e1
- Outcome
- dry matter, brix, pole1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1 and 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1”
Claim · model-written summary
Sugarcane purity and commercial cane sugar were higher with 25% more than recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1e1
- Outcome
- purity, commercial cane sugare1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1 and 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1”
Claim · model-written summary
NPK accumulation and uptake in sugarcane were higher with 25% more than recommended NPK fertilizer.
- Taxon
- sugarcanee1
- Treatment
- 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1e1
- Outcome
- NPK accumulation and uptake in plant and ratoon sugarcane cropse1
- Direction
- highere1
Not reportedComparator
Verbatim
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1 and 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1”
Claim · model-written summary
The mean values of the 100% and 25% more than recommended NPK levels did not differ statistically in sugarcane.
Verbatim
t0“sugarcane (Saccharum officinarum L)”
e1“tillers plant -1 , plant height, stem girth, internodes plant -1 ,millable canes, cane yield, leaf area plant -1 , leaf area index, crop growth rate, dry matter, brix, pol, purity, commercial cane sugar, NPK accumulation and uptake in plant and ratoon sugarcane crops were higher with the application of 100% recommended fertilizer at 225-112-168 NPK kg ha -1 and 25% more than recommended fertilizer at 281.25-140-210 NPK kg ha -1”
e2“The mean values of these both NPK levels were statistically non-significant”
Claim · model-written summary
All inadequate NPK applications beyond the recommended rate significantly reduced the values of all sugarcane plant and ratoon traits.
Verbatim
e1“all inadequate applications beyond recommended applications significantly recorded less values of all traits of sugarcane plant and ratoon crop”
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