Abstract
Effect of Treated Effluent Irrigation on Yield and Biominerals of Banana
Highlights
Industrialization is believed to cause inevitable problem of pollution of water, soil and air
Fertigation has been proved to be of great success in banana in terms of water and labour saving with increased water use efficiency culminating in early cropping and heavy yield (Santhanabosu et al, 1995) [4] and it is an environmentally safer technology which prevents ground water contamination (Mahalakshmi et al, 2002) [5]
Irrigation treatments were assigned in main plot that consisted of seven treatments (I1 – Farmer’s practice as control (Surface Irrigation with river water (RW)+ 100% NK), I2 – RW + Drip irrigation (DI) + 75% NK thro’ fertigation, I3 – RW + DI + 50% NK thro’ fertigation, I4 – Treated effluent (TE) +Basin irrigation (BI)+100% NK thro’ soil application I5 - TE + BI + 75% NK thro’ soil application, I6 - TE + DI + 75% NK thro’ fertigation, I7 - TE + DI + 50% NK thro’ fertigation)
Summary
Industrialization is believed to cause inevitable problem of pollution of water, soil and air. Pulp and paper industries use large volume of water, the bulk of which is released as effluent requiring proper treatment and disposal Since, these effluent fall in borderline as saline water, they can be considered as potential source for irrigation (Gomathi and Oblisami, 1992) [1]. Banana is well known for its high water requirement, high evaporative demand, high transpiration, shallow root system, poor ability to draw water from soil beneath field capacity and high sensitivity to soil water deficiency. It requires liberal supplies of irrigation water throughout its life cycle, emphasizing the importance of correct irrigation scheduling.
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