Abstract
A field experiment was conducted during Rabi seasons of 2007-08 and 2008-09 to study the realization of wheat (Triticum aestivum L.) productivity, profitability and nutrient balance sheet through improved nutrient management. Sixteen fertility treatment combinations of NPK and ZnSO 4 were examined in Randomized Block Design with three replications. Application of NPK ZnSO 4 @ 150 : 75 : 60 : 20 kg/ha produced highest grain yield of 51.0 q/ha being significantly higher by 71.7, 57.9, 42.5, 49.9 and 9.5 per cent over control, NPK ZnSO 4 levels of 90 : 45 : 45 : 00, 90 : 45 : 45 : 20, 90 : 45 : 45 : 40 and 120 : 60 : 45 : 00 kg / ha, respectively. Further, increase in fertility levels beyond 150 : 75 : 60 : 20 kg NPK ZnSO 4 /ha did not show any significant improvement in grain yield. However, the yield attributes viz., spikes/m 2 , grains/spike, test weight and spike fertility ratio increased significantly upto 120 : 60 : 45 : 20 kg NPK ZnSO 4 /ha over control, 90 : 45 : 45, (with and with out ZnSO 4 ) and 120 : 60: 45 kg NPK / ha but remained at a par with other levels of fertility tested in the experimentation. Most of the growth and developmental parameters in the study significantly increased upto the highest level of fertility management i.e. 150 : 75 : 75 : 40 kg/ha. Comparison of available NPK and Zn in soil after harvest of crop with the initial status under different treatments indicated the reduction in residual soil available nutrients at their lower level of application. However, an increase in available NPK in soil were noticed with the application of 150 : 75 : 60 and 150 : 75 : 75 kg NPK/ha with and without Zn level, while the status of Zn in soil was found positive with other primary nutrient under treatment 150 : 75 : 75: 20 and 150 : 75 : 75: 40 kg NPK ZnSO 4 /ha only. Wheat crop grown under the fertility treatment 150 : 75 : 60 : 20 kg NPK ZnSO 4 /ha recorded maximum net monetary return of Rs. 36,331/ha which was on an average just the double of all those treatments where nitrogen was applied @ 90 kg/ha.
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Claims 9
Claim · model-written summary
The 150 : 75 : 60 : 20 NPK ZnSO 4 rate produced the highest grain yield of 51.0 q/ha.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- NPK ZnSO 4 @ 150 : 75 : 60 : 20 kg/hae0
- Outcome
- grain yielde0
- Direction
- higheste0
- Value
- 51.0 q/hae0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of NPK ZnSO 4 @ 150 : 75 : 60 : 20 kg/ha produced highest grain yield of 51.0 q/ha being significantly higher by 71.7, 57.9, 42.5, 49.9 and 9.5 per cent over control, NPK ZnSO 4 levels of 90 : 45 : 45 : 00, 90 : 45 : 45 : 20, 90 : 45 : 45 : 40 and 120 : 60 : 45 : 00 kg / ha, respectively.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Grain yield at the highest yielding rate exceeded control by 71.7 percent.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- NPK ZnSO 4 @ 150 : 75 : 60 : 20 kg/hae0
- Outcome
- grain yielde0
- Direction
- highere0
- Value
- 71.7e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of NPK ZnSO 4 @ 150 : 75 : 60 : 20 kg/ha produced highest grain yield of 51.0 q/ha being significantly higher by 71.7, 57.9, 42.5, 49.9 and 9.5 per cent over control”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Further fertility increases beyond 150 : 75 : 60 : 20 did not significantly improve grain yield.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- increase in fertility levels beyond 150 : 75 : 60 : 20 kg NPK ZnSO 4 /hae0
- Outcome
- grain yielde0
- Direction
- did not show any significant improvemente0
- Comparator
- 150 : 75 : 60 : 20 kg NPK ZnSO 4 /hae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Further, increase in fertility levels beyond 150 : 75 : 60 : 20 kg NPK ZnSO 4 /ha did not show any significant improvement in grain yield.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Yield attributes rose significantly up to the 120 : 60 : 45 : 20 rate.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- 120 : 60 : 45 : 20 kg NPK ZnSO 4 /hae0
- Outcome
- spikes/m 2 , grains/spike, test weight and spike fertility ratioe0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield attributes viz., spikes/m 2 , grains/spike, test weight and spike fertility ratio increased significantly upto 120 : 60 : 45 : 20 kg NPK ZnSO 4 /ha over control, 90 : 45 : 45, (with and with out ZnSO 4 ) and 120 : 60: 45 kg NPK / ha”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Most growth and developmental parameters increased significantly through the highest fertility level.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- 150 : 75 : 75 : 40 kg/hae0
- Outcome
- growth and developmental parameterse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Most of the growth and developmental parameters in the study significantly increased upto the highest level of fertility management i.e. 150 : 75 : 75 : 40 kg/ha.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Lower nutrient application rates reduced residual soil nutrients relative to initial status.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- lower level of applicatione0
- Outcome
- residual soil available nutrientse0
- Direction
- reductione0
- Comparator
- initial statuse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Comparison of available NPK and Zn in soil after harvest of crop with the initial status under different treatments indicated the reduction in residual soil available nutrients at their lower level of application.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Soil available NPK increased with 150 : 75 : 60 or 150 : 75 : 75 NPK per hectare, with or without Zn.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- 150 : 75 : 60 and 150 : 75 : 75 kg NPK/hae0
- Outcome
- available NPK in soile0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an increase in available NPK in soil were noticed with the application of 150 : 75 : 60 and 150 : 75 : 75 kg NPK/ha with and without Zn level”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Soil Zn status was positive only under the two specified higher Zn rates.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- 150 : 75 : 75: 20 and 150 : 75 : 75: 40 kg NPK ZnSO 4 /hae0
- Outcome
- status of Zn in soile0
- Direction
- positivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the status of Zn in soil was found positive with other primary nutrient under treatment 150 : 75 : 75: 20 and 150 : 75 : 75: 40 kg NPK ZnSO 4 /ha only”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
The 150 : 75 : 60 : 20 rate yielded the maximum net monetary return of Rs. 36,331/ha.
- Taxon
- WheatTriticum aestivume0
- Treatment
- 150 : 75 : 60 : 20 kg NPK ZnSO 4 /hae0
- Outcome
- net monetary returne0
- Direction
- maximume0
- Value
- Rs. 36,331/hae0
- Comparator
- treatments where nitrogen was applied @ 90 kg/hae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat crop grown under the fertility treatment 150 : 75 : 60 : 20 kg NPK ZnSO 4 /ha recorded maximum net monetary return of Rs. 36,331/ha which was on an average just the double of all those treatments where nitrogen was applied @ 90 kg/ha.”
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