![]() ![]() The available techniques for valorizing biomass should convert it into valuable products or recover energy from it, in line with a closed-loop economy. Graphical Abstractīiomass waste is the largest group of residues from various sectors such as municipal waste, sewage sludge, agricultural waste, or food industry waste. The study shows that properly prepared hydrochars from brewery waste offer great potential as a nitrogen source and micronutrient delivery agents for the agrochemical sector. In addition, the study recorded a particular increase in nitrogen content in plants fertilized with a 150% dose of enriched hydrochar, where the element content increased by about 100% compared to the group with mineral fertilizer applied (100% dose). Twice the fresh plant mass was noted for this group compared to the reference. The pot tests on cucumber ( Cornichon de Paris) showed that the biometric parameters of the plant (stem length and root ball parameters) for the hydrochar obtained at 170 ☌ were higher than in the group fertilized with mineral fertilizer. It was observed that the higher the temperature of the carbonization process, the faster the desorption of components in a solution simulating soil conditions (NaNO 3) occurs. To minimize inhibition of plant growth, air aging tests were conducted for 30 days, followed by successive drying at 110 ☌ for 72 h. Preliminary germination tests have shown phytotoxic effects at doses greater than 20% (relative to plant nitrogen requirements) for unenriched hydrochars. The surface texture was characterized by the nitrogen adsorption technique, functional groups were identified (FT-IR), and thermogravimetric analysis of the materials was performed. HTC materials were enriched with nutrients using an innovative spray sorption method. Waste materials treated at 140 ☌, 170 ☌, and 200 ☌ were used as a source of renewable nitrogen and as delivery agents of fertilizer microelements (Cu, Mn, and Zn). The aim of this study was to develop a novel method for the production of hydrochars from brewery residues for agricultural applications. This information was taken directly from AgroLiquid's website.Hydrothermal carbonization is one of the new ways to produce valuable products from waste materials. Apply as a planter placement, broadcast, top dress, sidedress, foliar, or fertigation.Ideal for stimulating strong and early growth.Supplies phosphorus, nitrogen, potassium, and iron. ![]() With a lower nutrient concentration in a more powerful formula, PrG is safe to use at planter time, while still providing the nutrients required. The long phosphorus chains in Pro-Germinator protect this nutrient until the plant is ready to use it, resulting in increased efficiency and maximum uptake. Pro-Germinator (PrG) contains both orthophosphate and carbon-protected polymer phosphate to provide readily-available, and controlled-release phosphorus with minimal danger of tie-up in the soil. This combination can supply your crop’s complete phosphorus needs in a single application, early in the season. Pro-Germinator® (PrG) is a liquid phosphorus fertilizer supplying nitrogen, potassium, and iron in addition to phosphate phosphorus. Pro-Germinator ® (PRG) Liquid Phosphorus Fertilizer ![]()
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