Abstract
AbstractA field experiment was conducted at the Research Farm of the Precision Farming Development Centre, PAU, Ludhiana in the Rabi season of the year 2015–2016. The potato variety Kufri Pukhraj, was sown by following drip and furrow methods of irrigation. Five irrigation treatments with good quality water (electrical conductivity, EC-0) and four with saline water treatments of 2,000 mmho/cm (EC-2), 4,000 mmho/cm (EC-4), 6,000 mmho/cm (EC-6) and 8,000 mmho/cm (EC-8) under split plot design along with three replications was followed. The results revealed that, plant height decreased with increasing salinity. Nevertheless, plant height under drip irrigation was greater than plant height under furrow irrigation at all levels of salinity. Number of tubers per plant, weight of tubers and tuber yield decreased with increasing salinity of irrigation water. However, the values of these parameters were more under drip irrigation than furrow irrigation and effects were pronounced at higher level of water salinitie...
Highlights
In many countries, especially those in the arid climate zone with high rates of population growth, urbanization and industrialization, water is becoming a scarce natural resource
At 30 days after sowing (DAS), plant height decreased with increase in the salinity of irrigation water
An average height attained by the plant at 30 DAS under drip irrigation was 20.7 cm while that attained by the plant under furrow irrigation averaged to 17.45 cm
Summary
Especially those in the arid climate zone with high rates of population growth, urbanization and industrialization, water is becoming a scarce natural resource. According to FAO (1995), under arid conditions, even with the availability of good water, irrigation projects lead to salinity problems (Gupta & Abrol, 1990). Patell, Prasher, Donnelly, and Bonnell (2001) reported the effect of initial soil salinity and irrigation water salinity on potato tuber yield and size in the field. They observed a decrease in these parameters with increasing salinity. The reduction in yield can be ascribed to structural deterioration and poor permeability of soils irrigated with poor quality saline water (Minhas & Gupta, 1992)
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