question_answer

Differentiate between protective irrigation and productive irrigation.

Answer:

Protective irrigation:

(i) The objective of protective irrigation is to protect crops from adverse effects of soil moisture deficiency.

(ii) Protective irrigation acts as a supplementary source of water over and above the rainfall.

(ii) Protective irrigation acts as a supplementary source of water over and above the rainfall.

(iii) This type of irrigation is to provide soil moisture to maximum area.

(iv) In such irrigation the water input per unit area of cultivated area is lower than productive irrigation.

(v) Productivity is relatively lower.

Productive irrigation:

(i) Productive irrigation is meant to provide sufficient soil moisture in the cropping season to achieve high productivity.

(ii) It provide maximum soil moisture to limited area, as required for a particular crop.

(iii) In such irrigation the water input per unit area of cultivated area is higher than protective irrigation.

(iv) Productivity is relatively higher.