Question

which is the cheapest and heaviest method of irrigation?​

Answer 1

Answer:

drip irrigation

drip irrigationFor watering large areas of farmland, drip irrigation is the most efficient irrigation system for reducing water and fertilizer loss. By filtering the water down through the soil and into the root system, some of the water percolates down into the groundwater system to be reused for irrigating in future years.

Answer 2

Answer:

HOPE IT HELPS YOU

Explanation:

The cheapest method is to wait for rain.

And if we talk about the heaviest than all the traditional methods because they require a lot of hard work.

Various traditional ways of irrigation are pulley system, chain pump, dhekli, and Rahat.

Traditional methods are cheaper but they are less efficient as compared to modern methods