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Maharana, P.
- Cotton Crop in Changing Climate
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PDF Views:124
Authors
Affiliations
1 School of Environmental Sciences, Jawaharlal Nehru University, New Delhi - 110067, IN
2 DCAC, Delhi University, New Delhi - 110023, IN
3 India Meteorological Department, New Delhi - 110003, IN
4 Chaudhary Charan Singh Haryana Agricultural University, Hisar - 125004, IN
1 School of Environmental Sciences, Jawaharlal Nehru University, New Delhi - 110067, IN
2 DCAC, Delhi University, New Delhi - 110023, IN
3 India Meteorological Department, New Delhi - 110003, IN
4 Chaudhary Charan Singh Haryana Agricultural University, Hisar - 125004, IN
Source
Current Science, Vol 115, No 5 (2018), Pagination: 948-954Abstract
Cotton is a major cash crop of global significance. It has a peculiar and inherent growth pattern with coinciding physiological growth stages. This study is based upon modelling and simulation for Hisar region. Stage-wise water stress has been quantified for three Bt-cotton cultivars with three sowing dates under both irrigated and non-irrigated (rainfed) conditions to assess the most sensitive stage. As per model output, it was observed that, at some stages stress value during excess years remains below 0.3 which is characterized as mild stress, in contrast with drought years where it is above 0.3, impacting potential crop productivity. Thus, rainfall impacts the productivity of cotton even in irrigated semi-arid region. Irrigation measures practiced, could partially alleviate influence of stress. Also, early sowing is found beneficial. The most water-sensitive period is ball formation and maturity stage followed by flowering stage.Keywords
Cotton, Irrigation, Temperature, Water.References
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Abstract Views :298 |
PDF Views:100
Authors
A. P. Dimri
1,
S. Allen
2,
C. Huggel
3,
S. Mal
4,
J. A. Ballesteros-Cánovas
5,
M. Rohrer
5,
A. Shukla
6,
P. Tiwari
7,
P. Maharana
1,
T. Bolch
8,
R. J. Thayyen
9,
M. Stoffel
10,
Aayushi Pandey
1
Affiliations
1 School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110 067, IN
2 Department of Geography, University of Zurich, CH
3 Department of Geography, University of Zurich, SZ
4 Department of Geography, Shaheed Bhagat Singh College, University of Delhi, Delhi 110 017, IN
5 Institute for Environmental Sciences, University of Geneva, SZ
6 Ministry of Earth Sciences, New Delhi 110 003, IN
7 Department of Geography, Kumaon University, Nainital 263 001, IN
8 School of Geography and Sustainable Development, University of St Andrews, Scotland, GB
9 National Institute of Hydrology, Roorkee 247 667, IN
10 Department of Earth Sciences, University of Geneva, SZ
1 School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110 067, IN
2 Department of Geography, University of Zurich, CH
3 Department of Geography, University of Zurich, SZ
4 Department of Geography, Shaheed Bhagat Singh College, University of Delhi, Delhi 110 017, IN
5 Institute for Environmental Sciences, University of Geneva, SZ
6 Ministry of Earth Sciences, New Delhi 110 003, IN
7 Department of Geography, Kumaon University, Nainital 263 001, IN
8 School of Geography and Sustainable Development, University of St Andrews, Scotland, GB
9 National Institute of Hydrology, Roorkee 247 667, IN
10 Department of Earth Sciences, University of Geneva, SZ