Both green beans and corn showed better growth (90вЂ“170% greater dry biomass) with mineral soil amendment, confirming that silicate minerals (which can contain appreciable amounts of P and K) can enhance soil health and plant productivity. m вЂ“2 as organic carbon in plant biomass and 1.28 kg C.The amended soil cultivated with beans sequestered over a period of two months 0.70 kg C In our prior study, (11) milled wollastonite rock (primarily CaSiO 3 and CaMgSi 2O 6 minerals) was used as a soil amendment while growing green beans and corn in pots placed on a rooftop. In addition to the carbon sequestration potential from the growth of additional plant biomass and locking organic carbon into urban soils, another promising strategy is enhancing the inorganic carbon sequestration capacity of soils by amending the soil with crushed calcium- or magnesium-rich silicate rock. This form of sequestered CO 2 can be considered organic carbon sequestration, that is, plant biomass and associated soil organics that form as a result of photosynthesis and microbial activity. m вЂ“2 of organic matter in above- and belowground biomass.(10) analyzed the organic carbon sequestration potential of 12 green roofs and concluded that green roof systems could sequester 0.375 kg C Urban farms have been shown to store carbon in both plants and soils for example, Getter et al. The benefits of urban farming can also be extended beyond decreases in food security risks to include improving other urban risks, such as unemployment levels and community decline, and reversing the longstanding negative environmental effects of urbanization. g вЂ“1), disproportionally contributing to the national total organic carbon stocks.g вЂ“1, median average) than the countryвЂ™s traditional arable and horticultural lands (23.5 mg.(9) assessed that the United KingdomвЂ™s allotments used for urban horticulture also contribute to improved soil health, including a substantially greater organic carbon content (58.2 mg (8) posed that urban farming in Adelaide, Australia, could supply residentsвЂ™ vegetable needs under medium- (5.08 kg Roofs and balconies are typically unused urban spaces and constitute approximately 20вЂ“25% of the urban surface area (e.g., in metropolitan Sacramento, CA, of the в€ј800 km 2 in total land area, 150 km 2 comprise roof area, compared to 230 km 2 as vegetated area) (7) therefore, they provide a unique opportunity to sequester carbon. (3) Urban farming is therefore gaining attention in view of sustainable development plans, including its untapped food production potential (4) with calls for revisions to local food supply chains and urban zoning, (5) as well as reduced transportation of vegetables from farms to cities, further enhancing the net negative carbon emissions. (2) Ample urban land is therefore available worldwide, and this land area has been projected to increase in the decade to come. Continuous urban migration has resulted in 4.2 billion people living in cities in 2020, which is more than half (55.3%) of the worldвЂ™s population today according to the World BankвЂ™s 2020 Urban Development study (1) and is expected to increase to 66% by 2050 according to the United NationsвЂ™ World Urbanization Prospects 2018 report.

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