How Drip Irrigation Improves Water Productivity Per Drop

As the years pass, it is no surprise that groundwater is depleting and agricultural lands are shrinking. This is due in part to population growth and urban expansion. Any solution to increase both of these has not helped. So farmers have to make do with whatever resources they have access to.

Of the few options available, drip irrigation, in which water is distributed as articulated droplets only within the root zones of the plants, is the best option. Easy to install and manage, drip irrigation is the perfect plan to wring out more crop per drop in cultivation, whether in farming, gardens, orchards, or similar settings. Here, we will understand how using a drip irrigation system inevitably improves water productivity and how cultivation can be done with less water.

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What is Water Productivity in Agriculture?

Water productivity in agriculture is the calculated yield that a certain amount of water will give, or exactly how much water is required for a specific crop. This number will vary from plant to plant: some, such as rice, need constant water, whereas others might need water only intermittently. 

There is a distinct difference between water use efficiency and water productivity. Water use efficiency is the effectiveness with which available water is used. Water productivity, however, is the amount of water needed to grow a crop. One measures how little water can be used, while the other states how much a crop might need at its maximum capacity. These numbers are of great importance to farmers in water-stressed regions, where water scarcity is so severe that traditional irrigation methods are no longer useful.