Growing of plants in a nutrient solution on terrace or balcony is called

$I.$ The practice of growing plants in nutrient-enriched water without soil is called....
$II.$ The system of growing plants with their roots bathed in nutrient mist (a cloud of moisture in air) is called....
Complete the given statements ($I$ and $II$) with the correct pair of options given below.

Hydroponics refers to growing plants in

Mention the methods to study the mineral requirements in plants.

Name the technique used by researchers to explore plant nutrient deficiencies.

Hydroponics has been shown to be a successful technique for growing plants. Yet,most crops are still grown on land. Why?