Connect with us


New Rooftop CO2 Ventilators Funnel Fumes into Fertilizer that Makes Spinach Grow 4x Bigger in Roof Gardens




New carbon dioxide ventilators could turn fumes into fertilizer to bring vegetable patches to high rise rooftops, suggests a new study.

It wasn’t just suggested, the study included an experiment that found spinach by the new air vents grew four-times larger than the other plants.

The breakthrough is a promising development for healthier city life, say scientists.

Scientists at Boston University created new technology that turned carbon dioxide (CO2) pumped from building air vents into fertilizer to improve the challenging plant-growing conditions for rooftop plant-life.

Rooftop vegetable gardens—big ones even—can be found in cities around the world, but they’re mostly hydroponic systems, receiving nutrients and water via a special mist channeled through tubes.

Rooftop farms and gardens are often suggested as ways to improve air quality, but conditions are difficult. Plants are often smaller and less healthy because the sites catch more solar radiation, wind exposure, and the soil is less moist.

The researchers decided to intercede by repurposing the CO2 emitted from building exhaust into a fertilizer.

ALSO READ: Rooftop Panels of Tiny Plants Can Cleanse Polluted Air at 100 Times the Rate of a Single Tree

Dr. Sarabeth Buckley, now at the University of Cambridge, began growing corn and spinach on a Boston University campus roof in an experiment named BIG GRO.

“We wanted to test whether there is an untapped resource inside buildings that could be used to make plants grow larger in rooftop farms,” she said. “Creating more favorable conditions that increase growth could help make rooftop farms more successful and therefore more viable options for installation on buildings.”

SIMILAR: World’s Biggest Rooftop Greenhouse in Montreal is as Big as 3 Football Fields – Now Can Feed 2% of the City

Dr. Buckley and her team chose corn and spinach because they are common edible plants that are more sensitive to high CO2 levels when they photosynthesize, versus other plants. They then placed the plants near the exhaust vents, and another control group near simple fans.

CO2 levels in the classrooms below were regularly measured to figure out how much extra CO2 the plants were receiving. High concentrations were found both inside classrooms and at rooftop exhaust vents when people were in the building.

“CO2 levels averaged above 1000 parts per million—the recommended limit—in classrooms and above 800ppm—high enough to increase growth in plants—at the rooftop exhaust vents,” said Dr. Buckley.

While growing, plants were monitored for size, number of leaves, and wet and dry biomass after harvesting.

RELATED: European Cities Are Turning Rooftops Into Community and Sustainability Hubs: ‘A revolution in urban planning’

The results were striking: spinach grown beside the exhaust vents had four-times the biomass of spinach grown next to a control fan.

High winds decreased the size advantage in some plants, but they were still twice as large as the controls.

Dr. Buckley cautioned there was still more work to be done before the system can be used.

“There are still many aspects of this system that must be determined before it can be implemented…” she said. “There is a decrease in growth with increased wind speed, so the optimal wind speed would need to be found and incorporated into the system design.”

“We are hoping this could lead to the further development of this system and eventual implementation in rooftop gardens and farms. If that happens, then hopefully more rooftop farms will be installed.”

“They could provide a multitude of environmental and social benefits such as energy savings for the building, carbon drawdown, climate mitigation, urban heat reduction, local food production, community building opportunities, and aesthetic and mental health benefits.”

SHARE This Great Idea On Social Media…

Continue Reading

Recent News

Personal Injury Lawyer Personal Injury Lawyer
Law2 hours ago

Finding the Best Personal Injury Lawyer in Lumberton, NC

Personal injury law is designed to protect individuals who have been harmed due to the negligence or wrongful actions of...

WhatsApp Business WhatsApp Business
Business8 hours ago

Running WhatsApp Business with Pro+VPS for Android Emulator

WhatsApp Business is one of the most powerful tool for Business to manage customers communication. Running it can enhance the...

Civil Partnership Visa Civil Partnership Visa
Finance2 days ago

Civil Partnership Visa vs Spouse Visa: Which One is Right for You

Choosing the right visa to join your partner in the UK can be confusing. Two common options are the Civil...

Crypto Crypto
Crypto3 days ago

Staked Crypto – A Step-by-Step Guide for Beginners

Ethereum staking has become an increasingly popular way for cryptocurrency holders to earn passive income through staking rewards. In this...

Ethereum Staking Ethereum Staking
Crypto4 days ago

Maximizing Ethereum Staking Rewards: Tips and Tricks

Are you looking to maximize the potential of your Ethereum holdings? Stake Ethereum using OkayCoin and take advantage of the...

Wedding Wedding
Wedding5 days ago

4 Wedding Services You Can Quickly Check Off Your To-Do List

Organizing a wedding might like arranging a large-scale symphony, in which each element must work together to produce a beautiful...

Luxury Shopping Luxury Shopping
Lifestyle5 days ago

Luxury Shopping in Ibiza: A Guide to the Finest Boutiques

Ibiza is synonymous with lavish lifestyles, sun-soaked beaches, and electrifying nightlife. But beyond the party scene and stunning seascapes, the...

Indian Brides Indian Brides
Fashion6 days ago

Top Trends in Diamond Necklaces for Indian Brides

As Indian brides gear up for their big day, the selection of the perfect diamond necklace is crucial. Diamond necklaces...

Snaptik Snaptik
Entertainment6 days ago

Snaptik: The Ultimate Tool for Watermark-Free TikTok Downloads

Snaptik stands out as the top tool for downloading TikTok videos without watermarks. It fights the issue of videos having...

Bedroom Bedroom
Lifestyle1 week ago

Refresh Your Bedroom: Summer-Inspired Interior Designs

Not only does June signal the midpoint of 2024, but it also signals the arrival of summer. With the changing...