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Singh, Virendra
- Comparative Study of Wheat Varieties under Open Farming and Poplar-Based Agroforestry System in Uttarakhand, India
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PDF Views:84
Authors
Affiliations
1 Department of Agronomy, Ranchi Agriculture College, Birsa Agricultural University, Ranchi 834 006, IN
2 Department of GPB, G.B. Pant University of Agriculture and Technology, Pantnagar 263 145, IN
3 Department of SAF, Faculty of Forestry, Birsa Agricultural University, Ranchi 834 006, IN
4 Institute of Forest Productivity, Ranchi 835 303, IN
1 Department of Agronomy, Ranchi Agriculture College, Birsa Agricultural University, Ranchi 834 006, IN
2 Department of GPB, G.B. Pant University of Agriculture and Technology, Pantnagar 263 145, IN
3 Department of SAF, Faculty of Forestry, Birsa Agricultural University, Ranchi 834 006, IN
4 Institute of Forest Productivity, Ranchi 835 303, IN
Source
Current Science, Vol 117, No 6 (2019), Pagination: 1054-1059Abstract
A field experiment on wheat varieties was carried out at Agroforestry Research Centre, G.B. Pant University of Agriculture and Technology, Pantnagar. The experimental plots were laid out in randomized block design with two associate farming systems, open farming and poplar-based agroforestry system, and four varieties of wheat, viz. PBW-373, PBW-343, UP-262 and VL-907, with three replications. The average tree growth parameters, viz. plant height, diameter and crown width of poplar showed an increase at the rate of 8.43%, 12.36% and 17.91% respectively. Growth and yield attributes of wheat like germination count, leaf area index, plant height, dry matter accumulation, as well as yield of wheat were found higher in open farming compared to poplar-based agroforestry system. The yield characters of wheat, such as biological yield (112.01 q ha–1), grain yield (42.19 q ha–1), straw yield (69.93 q ha–1) and harvest index (39.82) were recorded maximum in VL-907 followed by PBW- 343, except for straw yield. Among soil chemical properties, electrical conductivity, organic carbon, and available NPK were higher, whereas pH was lower under poplar-based agroforestry system compared to open farming system. Above-ground, below-ground and total biomass, carbon stock and carbon sequestration were significantly higher in agroforestry system (130.42, 17.75, 148.17, 65.20 and 239.27 q ha–1 respectively) compared to open farming.Keywords
Agroforestry, Biomass, Carbon Sequestration, Intercropping, Wheat Varieties.Full Text
References
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- INSAT-3DR-Rapid Scan Operations for Weather Monitoring Over India
Abstract Views :272 |
PDF Views:99
Authors
M. Mohapatra
1,
A. K. Mitra
1,
Virendra Singh
1,
S. K. Mukherjee
1,
Kavita Navria
2,
Vikram Prashar
1,
Ashish Tyagi
1,
Atul Kumar Verma
1,
Sunitha Devi
1,
V. S. Prasad
3,
Mudumba Ramesh
4,
Raj Kumar
5
Affiliations
1 National Meteorological Satellite Centre, India Meteorological Department, New Delhi 110 003, IN
2 National Meteorological Satellite Centre, India Meteorological Department, New Delhi 110 003ii
3 National Centre for Medium Range Weather Forecasting, Noida 201 309, IN
4 Master Control Facility, Indian Space Research Organisation, Hassan 573 201, IN
5 Space Applications Centre, Indian Space Research Organisation, Ahmedabad 380 015, IN
1 National Meteorological Satellite Centre, India Meteorological Department, New Delhi 110 003, IN
2 National Meteorological Satellite Centre, India Meteorological Department, New Delhi 110 003ii
3 National Centre for Medium Range Weather Forecasting, Noida 201 309, IN
4 Master Control Facility, Indian Space Research Organisation, Hassan 573 201, IN
5 Space Applications Centre, Indian Space Research Organisation, Ahmedabad 380 015, IN
Source
Current Science, Vol 120, No 6 (2021), Pagination: 1026-1034Abstract
In order to observe severe weather conditions during cyclones, thunderstorms, etc., IMAGER instruments on-board INSAT3D/3DR have been built with a flexible scanning feature known as ‘rapid scan mode’. Using this feature, the number of scan lines over a given coverage region and the number of repetitions of the selected region can be programmed for scanning. Therefore, to understand the physical processes involved in convective clouds associated with severe weather phenomena, rapid scan of INSAT3DR mode is attempted. It has very high temporal resolution of approximately 4 min and 30 sec. The present study will help in better understanding of the physical processes of severe weather phenomena and in nowcasting. It will also help to improve the accuracy in the NWP model forecast through assimilation of radiances and atmospheric motion wind determined using rapid scan mode.Keywords
Nowcasting, Physical Processes, Rapid Scan Operations, Severe Weather Conditions, Weather Monitoring.Full Text
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