Hydroponics I. is useful in areas having infertile and dry soils II. Can regulate pH optimum for a particular crop. III. Increases labour cost. IV. Increases problem of weeding.A. II and IVB. I and IIC. I and IIID. All of the above

Hydroponics I. is useful in areas having infertile and dry soils II. C

1.	Hydroponics I. is useful in areas having infertile and dry soils II. Can regulate pH optimum for a particular crop. III. Increases labour cost. IV. Increases problem of weeding.A. II and IVB. I and IIC. I and IIID. All of the above
Answer» Correct Answer - B

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Hydroponics I. is useful in areas having infertile and dry soils II. Can regulate pH optimum for a particular crop. III. Increases labour cost. IV. Increases problem of weeding.A. II and IVB. I and IIC. I and IIID. All of the above

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