ESE 2021 Technical Quiz || Types of irrigation systems

Consider the following statements related to drip irrigation method

(i) Water is applied through nozzles directly to the roots

(ii) Evaporation and percolation losses are very high.

(iii) This method required expert supervision.

(iv) Water application efficiency is very high.

Which of the above statements are correct?

Statement 1: It is advisable to grow two or more crops together on the same field for good yield of crops.

Statement 2: Mixed cropping was economical at the time when no irrigation facilities were available.

Match list 1 with list 2 and choose the answer using the code given below

List 1:

(a) Furrow irrigation

(b) Check flooding

(c) Sprinkler irrigation

(d) Drip irrigation

List 2:

(i) Water is applied in the form of spray to the plants

(ii) Supply of water is controlled using Leaves

(iii) Water is applied directly to the roots

(iv) water reached to the plants percolating through the ditches constructed between rows of plants

Sprinkler irrigation method is generally adopted when

(i) The land topography is irregular

(ii) The water table is high

(iii) The soil is easily erodible.

(iv) water is available in abundance.

Addition of gypsum to the irrigation water is recommended to overcome difficulties posed by