From 'watching the sky to eat' to 'data farming', carbon dioxide sensors reshape the new logic of agricultural high yield

1.Precise control of photosynthetic efficiency to achieve a breakthrough in crop yield

• As the primary raw material for plant photosynthesis, carbon dioxide concentration directly determines photosynthetic rate and dry matter accumulation efficiency. In enclosed greenhouse environments, CO₂ levels typically drop to around 100ppm within 2.5-3 hours after sunrise, reaching merely 30% of atmospheric concentrations. 

• This concentration becomes a critical bottleneck for yield improvement. CO₂ sensors establish a "monitoring-regulation" closed-loop system by continuously tracking concentration fluctuations: when levels fall below crop thresholds (e.g., 800ppm for tomatoes, 1000ppm for vegetables), generators automatically replenish CO₂; when concentrations exceed 1500 ppm, ventilation systems activate to prevent respiratory inhibition. Japanese tomato growers in Saitama Prefecture achieved 30% yield increases by maintaining stable concentrations between 400-470ppm using NDIR sensing technology.

• Domestic greenhouse trials demonstrate that maintaining approximately 1000ppm can boost yields of cucumbers and tomatoes by 30%-50% while shortening maturation cycles by 10%-15%. This precision intervention breaks natural concentration limitations, establishing it as a core technological support for increasing production in facility agriculture.

2.Optimize the proportion of the growth environment and empower the quality upgrading of agricultural products

• The formation of crop quality relies on the synergistic effects of environmental factors such as light, temperature, air, and fertilizer, with precise control of carbon dioxide concentration being a key variable. Sensor-collected concentration data can be analyzed in conjunction with temperature, humidity, and light parameters to develop customized environmental solutions. 

• In flower cultivation, maintaining optimal CO₂ levels enhances chlorophyll content in leaves, improves flower color vibrancy, and extends flowering periods by 10%-20%. For fruit and vegetable cultivation, appropriate concentration regulation promotes the synthesis of sugars and vitamins—such as increasing tomato fruit sugar content by approximately 1.2 percentage points. 

• More importantly, sensor data helps address the "yield-quality imbalance" challenge. Research from the Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences reveals that dynamic CO₂ concentration adjustment through sensors can boost yields by 23% via "fertilization effects" while mitigating the "dilution effects" of proteins and mineral elements, thereby reducing risks of nutritional decline. This "yield-quality balance" regulation capability provides technical assurance for high-end agricultural production.

3.Reduce the loss of resource input and build an efficient and intensive production mode

• Traditional agricultural practices relying on empirical judgment for carbon dioxide supplementation often result in dual challenges of "excessive waste" or "insufficient efficiency." Sensor technology enables data-driven precision resource allocation: A leading agricultural tech platform achieved a 40% increase in CO₂ application efficiency and a 25% reduction in fuel consumption after integrating high-precision CO₂ sensors into its cloud system. 

• The sensors' automatic calibration feature reduced annual maintenance requests from 30 to 6 cases, cutting labor costs by 70%. Low-power CO₂ sensors (consuming less than 1 kWh annually) with extended lifespan (stable operation over 2 years) further minimized maintenance expenses.

•  In large-scale farming, sensor networks enable regional differentiated control—such as deploying sensors across greenhouse zones to precisely allocate CO₂ according to crop growth stages, preventing localized waste. This "precision application + low-maintenance" model significantly enhances agricultural production efficiency.

4.We will support ecological and circular development and help transform agriculture in a sustainable way

• The application of carbon dioxide sensors extends beyond production processes to play a vital role in maintaining agricultural ecological balance. In integrated livestock-farming systems, these sensors dynamically monitor the matching between carbon dioxide emissions from breeding areas and crop requirements, enabling "waste-to-resource" conversion. By channeling livestock-generated CO₂ through pipelines to greenhouses, where sensors regulate its utilization by crops, this approach reduces combined pollution risks from ammonia and CO₂ in breeding environments while minimizing external fertilizer purchases, forming a closed-loop "agriculture-culture cycle." In organic farming, sensor data guides CO₂ emission monitoring during composting processes, ensuring proper decomposition levels and controlled greenhouse gas leakage. 

• From a supply chain perspective, concentration data collected by sensors can be incorporated into agricultural product traceability systems. By demonstrating "environmentally controlled, resource-efficient" production processes, this enhances consumer trust and boosts product value. This "production efficiency enhancement-environmental burden reduction-value improvement" multi-benefit model aligns with the core requirements of sustainable agricultural development.

In conclusion:

• Carbon dioxide sensors serve as the "digital nerve" of smart agriculture. With their core capabilities of "precise sensing, intelligent linkage, and data empowerment," these sensors are reshaping agricultural production logic: From the yield perspective, they break through natural limitations to achieve quantitative production growth; from the quality perspective, they synergize with environmental factors to drive qualitative upgrades; from the efficiency perspective, they optimize resource allocation to reduce overall costs; from the ecological perspective, they support circular models to achieve sustainable development. 

• It can be said that carbon dioxide sensors are not just monitoring devices, but the "digital nerve" of smart agriculture systems. Their widespread application will accelerate the transition from "experience-driven" to "data-driven" agriculture, providing critical technological support for ensuring food security and ecological security.