algaenews
Nitrogen fixing Micro AlgAe
Launching Algaenite and Bio Liquid Fertilizer BLF production services as commercial beta sites in Connecticut, Florida and Denmark to do a POC with leading clients. First revenues 2025. Partners established in Florida, Connecticut, and Denmark.
H2O Farm CT 6.5ac indoor greenhouse production of hydroponic-organic lettuce.Servicing: FreshPoint, Ahold, BigY and others.
4Roots FL Unearthing the power of food to build healthy communities an alliance of community stakeholders investing in a healthy, thriving, sustainable, food system.
Legro A/S Denmark – Danish green quality horticulture since 1958. Healthy and pure product with a long shelf life. Herbs and lettuce meet the highest quality
As world becomes restless for sustainable energy solutions, Israel’s approach to innovation is increasingly important – we call this approach “Impatient Innovation”. Recognizing the need and the opportunity, Israeli entrepreneurs are delivering innovative solutions to disrupt all verticals of the new energy value chain.
The Israeli energy tech ecosystem has grown significantly in recent years, with many new startups and established companies working on low-carbon energy systems. There are currently over 300 companies in the sector with ample opportunities for business engagement.
From improved renewable energy sources to smart grid management, energy storage, energy efficiency, waste-to-energy, hydrogen, carbon mitigation, and more, Israel is at the forefront of the global energy transition.
cordis.europa.eu/article
The nitrogen-fixing microalgae that produce quality organic fertiliser, now with added benefits
The EU-funded Cyanobacteria project’s circular biotechnology – integrated into their AlgaeNite management system – produces high-quality, clean, liquid biofertiliser, maintaining crop yields with zero emissions.
cordis.europa.eu
Developing an organic fertilizer production system using nitrogen fixing Cyanobacteria
Nitrogen-fixing microalgae produce quality organic fertiliser
The Cyanobacteria project’s circular biotechnology – integrated into their AlgaeNite management system – produces high-quality, clean, liquid biofertiliser, maintaining crop yields with zero emissions.
Using Cyanobacteria to Lower Farm Emissions
Fertilizers have been used to enrich the soil that has supported human life for millennia, but not all fertilizers are created equally. Made from organic matter, natural fertilizers gradually feed an extensive network of insects and microbes that in turn make the nutrients available to our crops, while synthetic fertilizers are highly concentrated and quick releasing, bypassing the microbial transformations.
Lior Hessel: London Is the Global Trade Centre of the Word
Lior Hessel, Ag-Tech Entrepreneur, Executive Agriculture Engineer, Technion alumni, M.Sc. in Management from Yew York Polytechnic Engineering University. Has built over 50 tech projects around the world and over 24 hectares of greenhouse factories, with total investments exceeding $40M.
https://thebreakthrough.org/articles/fixing-nitrogen
Fixing Nitrogen
The Hidden Footprint of Making All Farms Organic
Organic farming, which prohibits the use of synthetic fertilizers, is often touted as the solution to many of agriculture’s environmental impacts. For instance, Sweden’s Environmental Party calls for 100% organic food production in the European Union.1
There are well-worn arguments about whether this would be good for the environment or even possible. Environmental and agricultural scientists note that organic farms typically have 20% lower yields than conventional farms, requiring more land to produce a given amount of food.2,3 This means less land for wildlife habitats or other purposes. Organic farmers and advocates argue that this yield gap can be closed, perhaps with more research or support for organic farming.4
Yet there’s a crucial difference between organic and conventional farming that’s missing from the discourse. Without synthetic fertilizers, farms need to grow additional crops — legumes — to provide nitrogen, and these require extra land. This “shadow land footprint” of organic farming and other agricultural systems that don’t use synthetic fertilizer is equally, if not more, important than the yield gap. Taking it into consideration highlights how continuing to use synthetic nitrogen, albeit more efficiently and wisely, is key to growing food with minimal environmental impact.
Providing enough nitrogen to crops has been the central challenge of agriculture
The element nitrogen is essential to crop production.5 It is present in every living cell and responsible for the growth of plants, particularly the cereal grains we consider staples. Although nitrogen makes up almost 80% of Earth’s atmosphere, plants cannot use it in this form. The forms of nitrogen that they require for growth — mostly ammonia and nitrate — are scarce. In fact, a shortage of this usable (or reactive) nitrogen is often the factor that most limits crop production.6
Societies have perennially sought to overcome this challenge through two basic approaches: fixing nitrogen and recycling it. Reactive nitrogen can be added by fixing (transforming) atmospheric nitrogen. Leguminous plants such as soybeans, lupine, and clover can do this, as can humans through industrial processes we have developed. Nitrogen can also be recycled, using nutrients in animal manure, spoiled food, crop residues, and other so-called waste products to return nitrogen to crops. However, a portion of recycled nitrogen is inevitably lost and so there is a constant need to add fixed nitrogen.
Historically, farmers relied upon techniques such as slash-and-burn and fallowing land for years to provide enough nutrients to crops. Families would go through great lengths to cut and burn trees and other biomass, clearing the land, and releasing the nitrogen stored in the plants to the soil. After farming the land until they drained the soil of nutrients, they would allow it to lie fallow, letting trees and other plants grow and rebuild the nutrient supply before repeating the process. Each plot of land generally grew trees and weeds for more time than it grew crops. This limited the total amount of food a village or society could grow.7
The low productivity of land under slash-and-burn forced people to find new methods of fertilizing crops. At least eight thousand years ago, farmers in the Middle East added nitrogen to their soil by planting legume crops.8 Likewise, the Romans recognized the value of legumes. The statesman Cato wrote that “crops which fertilize land [are] lupines, beans, and vetch,” and the agricultural writer Columella wrote that planting and ploughing in lupine “will have the effect of the best manure.”9 The added nitrogen from these legume crop rotations enabled farmers to increase yields and fallow their land less.10
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