By the turn of the twentieth century,the fertilizer consumption in India was expected to reach:

Choose the correct pair.

Organic farming does not include

Consider the following four measures $(I-IV)$ that could be taken to successfully grow chickpea in an area where bacterial blight is common.
$I.$ Spray with Bordeaux mixture.
$II.$ Control of the insect vector of the disease pathogen.
$III.$ Use of disease-free seeds only.
$IV.$ Use of varieties resistant to the disease.
Which of the above measures can control the disease?

Green revolution means

Which of the following is $NOT$ useful for increasing agricultural production?