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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/4609
Title: Analysis of rainfall characteristics for crop planning under low altitude sub tropical agro ecological zone of Jammu region
Authors: Sharma C.
Singh M.
Sharma R.
Sharma V.
Published in: Journal of Agrometeorology
Abstract: Successful agricultural management essential by requires to know the sequence of dry and wet spells along with onset and withdrawal of monsoon season. With this view, an attempt has been made to analyze 30 years of rainfall (1987-2016) data of Jammu region to understand the south west monsoon characteristics. The rainfall probability analysis done by using Markov chain model for crop planning in the region revealed that the earliest and delayed week of the onset of the rainy season was found during the 25th Standard Meteorological Week (SWM) and 27th SWM, respectively. Similarly, the cessation of rainfall (earliest and delayed week) was found in the 38th and 40th SMW, respectively. The onset of monsoon was negatively significantly related and withdrawal is positively linearly related with total amount of rainfall received during this period. The duration of growing season was found 87 ± 15 days with rainy days of 32 ± 7 days. Out of the total annual rainfall about 74 per cent was received during south-west monsoon and 14.4 per cent rainfall received in rabi season. The initial probability of the wet weeks (26th - 34th SMW) varied between 60.6 and 90.9 percent, whereas, the conditional probability of wet week followed by another wet week (PWW) varied between 72.7 and 96 percent. The analysis of dry weeks are needed for supplemental irrigations and moisture conservation practices whereas, successive wet weeks gave an idea of excessive runoff water for rainwater harvesting and to take up suitable measures to control soil erosion in rainfed areas. © 2017, Association of Agrometeorologists. All rights reserved.
Citation: Journal of Agrometeorology(2017), 19(Special Issue): 60-66
URI: http://repository.iitr.ac.in/handle/123456789/4609
Issue Date: 2017
Publisher: Association of Agrometeorologists
Keywords: Characteristics
Crop planning
Monsoon
Probability
Rainfall
Rainfed
ISSN: 9721665
Author Scopus IDs: 57202476440
55469492400
56410059900
57212921128
Author Affiliations: Sharma, C., Agrometeorology Section, Division of Agronomy, Sher-e- Kashmir University of Agricultural Sciences and Technology of Jammu, Main Campus, Chatha, Jammu, J&K 180009, India
Singh, M., Agrometeorology Section, Division of Agronomy, Sher-e- Kashmir University of Agricultural Sciences and Technology of Jammu, Main Campus, Chatha, Jammu, J&K 180009, India
Sharma, R., Agrometeorology Section, Division of Agronomy, Sher-e- Kashmir University of Agricultural Sciences and Technology of Jammu, Main Campus, Chatha, Jammu, J&K 180009, India
Sharma, V., Agrometeorology Section, Division of Agronomy, Sher-e- Kashmir University of Agricultural Sciences and Technology of Jammu, Main Campus, Chatha, Jammu, J&K 180009, India
Appears in Collections:Journal Publications [CE]

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