Abstract
A field experiment was conducted during rabi 2017-18 and 2018-19 at Agricultural College Farm, Bapatla to study the ‘Effect of potassium and nickel nutrition on total drymatter and yield in maize under heat stress’. The experiment was laid out in split plot design with three dates of sowing viz., December 20 (M1), January 10 (M2) and January 30 (M3) as main plots and eight subplot treatments as 100% RDK (control) (S1), 125% RDK (S2), 1kg Ni ha-1 as nickel chloride (S3), 2 kg Ni ha-1 (S4), 100% RDK+1 kg Ni ha-1 (S5), 100% RDK+2 kg Ni ha-1 (S6), 125% RDK+1 kg Ni ha-1 (S7) and 125% RDK+2 kg Ni ha-1 (S8). The results revealed that total drymatter and yield in maize was influenced significantly by dates of sowing as well as nutrient treatments during both the seasons. Among the dates of sowing during both the seasons, compared to M1 the total drymatter was reduced by 8.34, 6.59 per cent in M2 and 18.38, 11.86 per cent in M3 whereas the kernal yield was reduced by 17.98, 16.56 per cent in M2 and 50.23, 48.75 per cent in M3, due to delayed sowings. Application of potassium and nickel, except nickel application without potassium (S3 and S4) all other treatments enhanced the total drymatter by 6.49 to 31.51 per cent during 2017-18 and 4.89 to 24.64 per cent during 2018-19 whereas the kernel yield was increased by 6.56 to 29.98 per cent during 2017-18 and 6.18 to 28.36 per cent during 2018-19. The results revealed that application of potassium and nickel enhances the total drymatter and yield over control at all dates of sowing by contributing to a better plant growth and metabolism so that the plant can overcome the stresses undergone due to delayed sowings to some extent.
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Claims 3
Claim · model-written summary
Potassium and nickel application increases total dry matter of maize over control
- Treatment
- Application of potassium and nickele6
- Outcome
- total drymattere6
- Direction
- enhancede6
- Value
- 6.49 to 31.51 per cente6
- Qualifier
- during 2017-18e6
- Comparator
- controle7
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Yield in Maize under Heat Stress”
e6“Application of potassium and nickel, except nickel application without potassium (S3 and S4) all other treatments enhanced the total drymatter by 6.49 to 31.51 per cent during 2017-18 and 4.89 to 24.64 per cent during 2018-19”
e7“application of potassium and nickel enhances the total drymatter and yield over control at all dates of sowing by contributing to a better plant growth and metabolism”
Claim · model-written summary
Potassium and nickel application increases kernel yield of maize over control
- Treatment
- Application of potassium and nickele6
- Outcome
- kernel yielde7
- Direction
- increasede7
- Value
- 6.56 to 29.98 per cente7
- Qualifier
- during 2017-18e7
- Comparator
- controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Yield in Maize under Heat Stress”
e6“Application of potassium and nickel, except nickel application without potassium (S3 and S4) all other treatments enhanced the total drymatter by 6.49 to 31.51 per cent during 2017-18 and 4.89 to 24.64 per cent during 2018-19”
e7“whereas the kernel yield was increased by 6.56 to 29.98 per cent during 2017-18 and 6.18 to 28.36 per cent during 2018-19”
e5“application of potassium and nickel enhances the total drymatter and yield over control at all dates of sowing by contributing to a better plant growth and metabolism”
Claim · model-written summary
Potassium and nickel application is asserted to enhance maize dry matter and yield by improving plant growth and metabolism
- Treatment
- application of potassium and nickele7
- Outcome
- total drymatter and yielde7
- Qualifier
- by contributing to a better plant growth and metabolisme7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Yield in Maize under Heat Stress”
e7“application of potassium and nickel enhances the total drymatter and yield over control at all dates of sowing by contributing to a better plant growth and metabolism”
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