In the heart of Ecuador’s Imbabura Province, a humble low-tech greenhouse is shedding light on the challenges and opportunities of protected agriculture in the Andean region. A recent study, published in the journal ‘Plants’, has characterized the microclimate of such a greenhouse during a complete tomato production cycle, offering valuable insights for farmers and agritech innovators alike.
The research, led by Luis Marcelo Albuja-Illescas of the Agrobiodiversity and Food Security Research Group at the Universidad Técnica del Norte, reveals that the greenhouse’s internal microclimate is far from uniform. “We found marked internal microclimatic heterogeneity,” Albuja-Illescas explains, “which means that different areas within the greenhouse experience significantly different temperature and humidity conditions.”
This variability is not merely an academic curiosity; it has real-world implications for tomato productivity and fruit quality. The study found that the crop remained outside the optimal ranges of temperature, relative humidity, and vapor pressure deficit (VPD) for over 50% of the time across all phenological stages and greenhouse quadrants. These findings underscore the urgent need for cost-effective climate-control strategies adapted to local conditions.
The commercial impacts of these findings are substantial. Greenhouse agriculture is experiencing global expansion, but in Andean countries like Ecuador, its development is often constrained by low-tech infrastructure, limited automation, and insufficient environmental monitoring. These factors negatively affect productivity and fruit quality, ultimately impacting the bottom line for farmers.
The study’s results provide a scientific basis for future research aimed at improving climatic and productive efficiency, as well as the resilience and sustainability of protected agriculture in Andean regions. As Albuja-Illescas notes, “Our findings highlight the need for tailored solutions that consider the unique environmental conditions and resource limitations of these regions.”
The research also opens up new avenues for agritech innovation. The development of affordable, locally-adapted climate-control technologies could revolutionize Andean horticulture, boosting yields and improving fruit quality. Moreover, the study’s emphasis on environmental monitoring underscores the importance of data-driven decision-making in modern agriculture.
In the broader context, this research is a call to action for the agriculture sector. It highlights the need for investment in low-tech, high-impact solutions that can drive productivity and sustainability in protected agriculture. As the global population continues to grow, the demand for efficient, resilient, and sustainable food production systems will only increase. This study offers a valuable contribution to that ongoing conversation.
In the words of Albuja-Illescas, “Our hope is that this research will inspire further investigation and innovation, ultimately contributing to the development of more resilient and productive agricultural systems in the Andean region and beyond.” With its focus on practical, locally-adapted solutions, this study is a testament to the power of science to drive positive change in the agriculture sector.

