Modelling and mapping weekly rainfall for crop planning in north-western Himalayan states

Modelling and mapping of weekly rainfall was carried out for NW Himalayan states of India for kharif crop planning. Based on the findings of the study it was observed that, J&K states with area coverage of 2.7 m ha witnessed maximum rainy days at 25 SMW indicating 1st week of July as optimum sow...

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Main Authors: C JANA, N M ALAM, B N GHOSH, P RAJA, N K SHARMA
Format: Article
Language:English
Published: Indian Council of Agricultural Research 2021-11-01
Series:The Indian Journal of Agricultural Sciences
Subjects:
Online Access:https://epubs.icar.org.in/index.php/IJAgS/article/view/117526
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author C JANA
N M ALAM
B N GHOSH
P RAJA
N K SHARMA
author_facet C JANA
N M ALAM
B N GHOSH
P RAJA
N K SHARMA
author_sort C JANA
collection DOAJ
description Modelling and mapping of weekly rainfall was carried out for NW Himalayan states of India for kharif crop planning. Based on the findings of the study it was observed that, J&K states with area coverage of 2.7 m ha witnessed maximum rainy days at 25 SMW indicating 1st week of July as optimum sowing time for kharif crops, whereas in HP, 26th SMW, i.e. 2nd week of July was maximum considering both rainfall amount and rainy days with 0.54 m ha area coverage. But, in case of Uttarakhand, it differs widely which ranges from 26-28 SMW for rainfall and 30-31 SMW for rainy days category in 0.68 m ha area. The spatial-temporal maps of rainfall distribution will help in site-specific decision making for entire kharif crop planning adjusted to different landforms.
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spelling doaj.art-39bfa5938c024711a3eaad959965cd612023-02-08T11:18:27ZengIndian Council of Agricultural ResearchThe Indian Journal of Agricultural Sciences0019-50222394-33192021-11-01911010.56093/ijas.v91i10.117526Modelling and mapping weekly rainfall for crop planning in north-western Himalayan statesC JANA0N M ALAM1B N GHOSH2P RAJA3N K SHARMA4ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata, West Bengal 700 120, IndiaICAR-Central Research Institute for Jute and Allied Fibers, Barrackpore, KolkataICAR-National Bureau of Soil Survey and Land Use Planning, Regional Centre, KolkataICAR-Indian Institute of Soil and Water Conservation, Research Centre, UdhagamandalamICAR-Indian Institute of Soil and Water Conservation, DehradunModelling and mapping of weekly rainfall was carried out for NW Himalayan states of India for kharif crop planning. Based on the findings of the study it was observed that, J&K states with area coverage of 2.7 m ha witnessed maximum rainy days at 25 SMW indicating 1st week of July as optimum sowing time for kharif crops, whereas in HP, 26th SMW, i.e. 2nd week of July was maximum considering both rainfall amount and rainy days with 0.54 m ha area coverage. But, in case of Uttarakhand, it differs widely which ranges from 26-28 SMW for rainfall and 30-31 SMW for rainy days category in 0.68 m ha area. The spatial-temporal maps of rainfall distribution will help in site-specific decision making for entire kharif crop planning adjusted to different landforms.https://epubs.icar.org.in/index.php/IJAgS/article/view/117526Crop planningGISLog normal distributionWeekly rainfall
spellingShingle C JANA
N M ALAM
B N GHOSH
P RAJA
N K SHARMA
Modelling and mapping weekly rainfall for crop planning in north-western Himalayan states
The Indian Journal of Agricultural Sciences
Crop planning
GIS
Log normal distribution
Weekly rainfall
title Modelling and mapping weekly rainfall for crop planning in north-western Himalayan states
title_full Modelling and mapping weekly rainfall for crop planning in north-western Himalayan states
title_fullStr Modelling and mapping weekly rainfall for crop planning in north-western Himalayan states
title_full_unstemmed Modelling and mapping weekly rainfall for crop planning in north-western Himalayan states
title_short Modelling and mapping weekly rainfall for crop planning in north-western Himalayan states
title_sort modelling and mapping weekly rainfall for crop planning in north western himalayan states
topic Crop planning
GIS
Log normal distribution
Weekly rainfall
url https://epubs.icar.org.in/index.php/IJAgS/article/view/117526
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