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Saline Water Irrigation Through Drip for Groundnut-Wheat Cropping Sequence In Hyper Arid Region of Rajasthan

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Title Saline Water Irrigation Through Drip for Groundnut-Wheat Cropping Sequence In Hyper Arid Region of Rajasthan
Not Available
 
Creator A.K.Singh
Ranjeet Singh
S.R.Yadav
A.S.Godara
S.P. Singh
M.J. Kaledhonkar
BL Meena
 
Subject Irrigation water quality
Saline water
Groundnut varieties
Suface and subsurface drip irrigation
Water use efficiency
B:C ratio
 
Description Not Available
A field experimentwas conducted to assess the suitability of saline water for irrigation,and to know theirrigation water requirement of groundnut-wheat cropping sequence in hyper-arid region of Rajasthan. In this split-plot experiment, the main plots had four levels of irrigation water salinity (ECiw0.25(Best available water, BAW), 4, 8 and 12dS.m-1); and the sub-plots had combinations of two treatments on drip lateral spacing of 0.60 m and 0.90 mwith 0.30 m emitter spacing,and three levels of irrigation water application(0.6, 0.8 and 1.0 times of pan evaporation (PE)).The highest biological yield (grain + straw) of wheat and groundnut recorded in BAWwas statistically at par with irrigation water salinity level of4 dS.m-1. Higher irrigation water salinity levels (8 and 12dS.m-1)and placement of laterals at 0.90 m led to significant reduction in biologicalyield. In monetary terms, use of BAW resulted in highest B:C ratio of 1.73 for groundnut-wheat cropping sequence, while ECiw 4 dS.m-1showedB:C ratio of 1.70. The hHighestcrop yields,gross return and B:C ratio were observed under 0.60 m lateral spacing and irrigation application at 1.0 PE.Interaction effect of salinity of irrigation water and lateral spacing on yield and yield attributes was significant for both crops.Study demonstrated that the salinity limit of 4 dS.m-1 can be considered as threshold irrigation water salinity for drip irrigated groundnut and wheat crops in hyper-arid region of Rajasthan.
ICAR
 
Date 2021-07-24T16:50:46Z
2021-07-24T16:50:46Z
2020-06-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/49991
 
Language English
 
Relation Not Available;
 
Publisher Not Available