How to Improve Water Use Efficiency in Agriculture
Agronomy Magazine

How to Improve Water Use Efficiency in Agriculture
Unlock the secrets to sustainable agriculture with cutting-edge strategies for water use efficiency, as revealed by top industry experts. Dive into the world of smart irrigation and plant grouping techniques that promise to enhance crop yields and conserve vital resources. Gain valuable knowledge from authorities in the field, and transform the way you approach water management in farming.
- Group Plants to Maximize Water Usage
- Implement Drip Irrigation for Efficient Watering
- Precision Watering Boosts Crop Yields
Group Plants to Maximize Water Usage
Group
Like us, plants grow in communities. Just as humans have evolved through the creation of societies and sharing of resources, so too have plants. We can foster these relationships by grouping plants together to maximize our water usage.
One way is planting like with like by pairing plants together in terms of water, sun, and soil needs. For example, try grouping Mediterranean herbs like rosemary, thyme, sage, oregano, and lavender in a drought-tolerant herb bed that needs watering only once or twice a week.
Mulch
One technique to conserve water is to utilize low-growing plants as living mulch around the base of water-hungry plants to reduce evaporation, suppress weeds, and keep roots cool.
In the edible garden, try undersowing crops like pumpkins and squash with cover crops like clovers or Sweet Alyssum that will attract pollinators while providing the benefits of living mulch. Perennials like clover will also help to protect your ground over winter. You can also sow cover crops as pathways between garden beds.
Xeriscape
You can take water-wise gardening to the next level through xeriscaping, which is landscaping with water conservation in mind. With drought-tolerant selections, once plants have established, they will not require regular watering except for natural rainfall.
Lose the Lawn
The majority of North American residential water is used for landscaping, most of it to water lawns. One of the most impactful actions you can take is to replace the lawn, either through xeriscaping or by planting a lawn alternative like micro clover, tall fescue, or low-growing wildflowers.

Implement Drip Irrigation for Efficient Watering
One of the most effective ways to improve water use efficiency in agriculture is through drip irrigation. Unlike traditional overhead watering, drip irrigation delivers water directly to the root zone, minimizing waste and evaporation. I've implemented this system in several gardens and small-scale farms, and the results have been remarkable. For example, a client struggling with dry soil and high water bills saw a reduction in water usage while improving plant health. By placing emitters at the base of each plant, we ensured deep penetration and steady moisture levels, leading to stronger root development and higher yields. As a certified horticulturist with over 15 years of experience, I've seen firsthand how precise watering can transform struggling gardens into lush, productive spaces.
The key to maximizing this system's efficiency is proper setup and maintenance. I always advise clients to use a pressure regulator and filter to prevent clogging and ensure even distribution. Pairing drip irrigation with mulch further enhances water retention by reducing evaporation and keeping the soil cool. In one particular case, I introduced organic mulch alongside drip irrigation for a client growing vegetables in sandy soil. Within weeks, the soil retained moisture longer, and crop production increased noticeably. Small changes like adjusting the flow rate seasonally or using a timer can make a big difference in conserving water while keeping plants thriving. My background in both practical and theoretical horticulture allows me to tailor these techniques to different environments, ensuring the best outcomes for every garden.
Precision Watering Boosts Crop Yields
One surprisingly effective strategy for improving water use efficiency in agriculture is the practice of drip irrigation. Compared to traditional methods like surface irrigation, drip irrigation delivers water directly to the plants' root zones, minimizing evaporation and reducing runoff. This precision not only saves valuable water resources but also promotes healthier plant growth by providing consistent moisture directly where it's needed.
From my observations, farms that switch to drip irrigation tend to see higher crop yields even while using less water—an ideal scenario in areas prone to drought or where water is expensive. Implementing this system can initially be more costly and require more maintenance, but the long-term benefits typically outweigh these drawbacks. For those considering this method, I'd recommend starting small with a single field or section to monitor its effectiveness and work out any operational kinks before fully committing. This way, the transition is manageable, and the potential benefits, including significant water savings and improved crop productivity, become evident quickly.
