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Vol. 10, Issue 6 (2021)

Consumptive water footprints and water use efficiency of two potato cultivars under different planting dates with different irrigation frequencies

Author(s):
Amit Biswas, Subhrajyoti Chatterjee, M Viswanath, Anindita Roy and Suprajit Roy
Abstract:
A farm level research study was conducted with two different potato cultivars (i.e. Ashoka and Jyoti) at research farm of Bidhan Chandra Krishi Vishwavidyalaya during the period of November-March to assess the impact of different irrigation frequencies on consumptive water footprints (CWF) and crop water use efficiency (CWUE) of those varieties. The total experiment was conducted under two different planting dates (20th and 29th November) during the above period. The soil was sandy-loam with medium land situation. The plot size was 4.5 m × 3.7 m. The maximum yield recorded under 20th November was 50.56 t ha-1 and under 29th November was 63.65 t ha-1. Irrespective of irrigation level and cultivar, the highest average seasonal CWF was estimated at 37.43 m3 t-1under 2nd planting date (29th November); whereas, the first planting date exhibited 11% lower CWF. But, the CWUE was found to be maximum (41.10 kg m-3) under 1st planting date; whereas, the second planting date presented about 7% lower WUE. Hence, the study recommended early planting of potato at the study region to obtain better CWUE with comparatively lower CWF.
Pages: 862-865  |  223 Views  51 Downloads


The Pharma Innovation Journal
How to cite this article:
Amit Biswas, Subhrajyoti Chatterjee, M Viswanath, Anindita Roy, Suprajit Roy. Consumptive water footprints and water use efficiency of two potato cultivars under different planting dates with different irrigation frequencies. Pharma Innovation 2021;10(6):862-865.
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