How does the water scarcity affect the production of crop and strategies for utilization of poor quality water?
Rk Naresh
Water scarcity reduces crop production because plants need water to grow. For example, in India, water scarcity has caused a 40% drop in wheat yields in some areas. To tackle this, farmers can use poor quality water with strategies like drip irrigation, which saves 30-50% water, and using salt-tolerant crops that can grow in saline water.
Actually, water scarcity can have a significant impact on crop production as plants require water for growth and development. When water is scarce, crops may not receive enough water to thrive, leading to reduced yields and poor-quality produce. Farmers may also face challenges in irrigation, which can further affect crop growth.
There are several strategies for utilizing poor quality water to address water scarcity in agriculture, such as Rainwater Harvesting, Drip Irrigation, Water Recycling, Crop Selection and Soil Management.
water scarcity can affect crop production as follows:
- Irrigation water not reaching all cultivated lands
- Irrigation water reaching cultivated lands but not in sufficient quantities for the plants' water needs and thus a shortage of food required for the life cycle of plants
- Some lands need to lift water due to low water levels in water channels, which may lead to a delay in the arrival of water according to the productivity of lifting machines
- The death of some plants due to the lack of sufficient water during labor roles
As for strategies for using poor quality water, they can be used as follows:
- Reusing agricultural drainage water that is not mixed with sewage if the amount of salts and minerals in the reused water is within the limits of the standards
- Mixing agricultural drainage water with irrigation water to reduce and dilution the pollutants in it
- Desalination of agricultural drainage water, sewage water and seawater using solar desalination plants, membranes or filters
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