Growing strawberries could become considerably more productive thanks to an innovative protective textile developed by researchers at North Carolina State University.

In field experiments, the material increased strawberry yields by as much as 3.56 times compared with uncovered plants. Surprisingly, the fabric also allowed sufficient sunlight, rainfall and airflow to reach the crops.

The findings, published in the scientific journal Agriculture in October 2026, suggest that specialised textiles could offer farmers a new way to improve production while potentially reducing pesticide use.

How The Protective Fabric Works

The technology, called Plant Guard, resembles a lightweight covering placed directly over growing strawberry plants.

Unlike conventional protective materials, it features a three-dimensional knitted structure designed to prevent insects from reaching the leaves and fruit.

Its porous layers allow air and moisture to circulate while maintaining favourable growing conditions.

Researchers initially worried that the material might block too much sunlight, encouraging plants to produce additional leaves and stems instead of strawberries.

However, the experiments revealed that light availability remained unaffected.

The protected plants continued developing normally and produced considerably more fruit than those grown without the covering.

Strawberry Harvests Increase Dramatically

Scientists evaluated the textile during three growing seasons, examining plant development, environmental conditions and fruit production.

The most striking result was the substantial increase in strawberry yields.

In tunnel field trials, covered plants produced up to 3.56 times as much fruit as uncovered plants.

Researchers also observed that the material maintained suitable humidity levels and created a consistent warming effect.

This additional warmth helped strawberries reach important developmental stages earlier.

Plants require accumulated heat to progress through growth, flowering and fruiting. By providing favourable temperatures, the fabric appeared to support earlier and more productive harvests.

An Unexpected Scientific Discovery

The protective textile has an unusual origin. Its development began with research into protective uniforms rather than agriculture.

Scientists were investigating ways to prevent mosquitoes from biting through these garments while improving comfort beneath protective equipment.

The same principles eventually inspired a fabric capable of protecting delicate crops.

Professor R. Michael Roe, one of the study's co-authors, highlighted how collaboration between different scientific disciplines helped transform an unrelated textile experiment into a promising agricultural innovation.

The project brought together specialists in textiles, natural resources and agricultural sciences.

Could Farmers Use Fewer Pesticides?

Insects represent a persistent challenge for strawberry growers, damaging crops and potentially reducing harvest quality.

Because the new material creates a physical barrier, it could help farmers reduce their dependence on chemical pest control.

The researchers also believe the covering may offer opportunities to conserve water.

However, further studies are needed to establish whether these potential advantages translate into consistent reductions in pesticide applications and irrigation requirements under commercial farming conditions.

What Happens Next?

Although the results are encouraging, the trials do not establish that every strawberry farm would achieve the same yield improvements.

Performance may vary according to climate, growing methods, strawberry varieties and local environmental conditions.

The technology will also need to demonstrate practical advantages in larger commercial operations.

Nevertheless, the research highlights how improvements in agricultural materials could help growers produce more food while protecting vulnerable plants.

If future testing confirms its benefits, this unusual textile could become a valuable tool for strawberry cultivation and potentially inspire similar innovations for other crops.