IBPS RRBs Officer Scale I and II 13 Sep 2015 Paper

Question : 22 of 200

Marks: +1, -0

Study the following information carefully and answer the question which follows :
Farmers should use hydroponics for farming. Hydroponics is growing plants in liquid nutrient solution. Since it does not require soil, farmers can save a large amount of time by avoiding tilling and de-weeding of their fields. Which of the following statements does not weaken the given statement ?

Initial set up cost for hydroponics is very high as the necessary equipment and inputs are three times more expensive than that used in traditional methods.
Disease causing micro-organisms that are water based can enter and subsist much more easily in hydroponics based environment as compared to traditional farming.
Rather than using only hydroponics or only traditional farming, most of the farmers use both simultaneously.
Without soil to serve as a buffer, if the hydroponics system fails, plant death occurs very rapidly leading to loss of 70-85% crop.
The production using hydroponics is very limited and is more efficient for house gardens rather than large scale farming

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