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GROUNDNUT (Arachis hypogaea) INFLUENCED BY POOR (SALINE) IRRIGATION WATER FOR COASTAL REGION
S.M. PANDYA, R. SUBBAIAH

Published in: International Journal of Agriculture Sciences
Volume- 9, Issue-44, pp.4733-4736, Sep 2016
DPI :-> 16.10077.IJAS.2016.V9I44.47334736.2030



Abstract
Salinity of soil and water is serious arising problem in costal and arid region. Fluctuations in salt concentration of irrigation water effect on crop yield and also at different growth stages. Hence in the present research the influence of variable concentrations of irrigation water subjecting to groundnut and its effect was evaluated on ET, crop coefficient and yield response by undertaking a field experiment during 2015.Four different concentration of saline irrigation water mainly 2dSm-1(T1), 4dSm-1(T2), 8dSm-1(T3) and 12dSm-1(T4) applied to flowering stage (S2) and treatment was replicated four times. Observed that, increasing salinity will decrease crop yield, decrease crop coefficient and threshold irrigation water salinity level is 2dSm-1 for flowering stage. FAO approach failed to predict the concentration of irrigation water at which relative yield becomes zero accurately. The saline irrigation water at which yield become zero was estimated for flowering stage as per the procedure developed in the present study.

Key-Words / Index Term
Salinity, Evapotranspiration, Crop yield, Crop coefficient, Growth stages

How to cite this article
S.M. PANDYA, R. SUBBAIAH , “GROUNDNUT (Arachis hypogaea) INFLUENCED BY POOR (SALINE) IRRIGATION WATER FOR COASTAL REGION”, International Journal of Agriculture Sciences, 9, Issue-44, pp.4733-4736, Sep 2016. DPI:16.10077.IJAS.V9.I44.2030