In Germany, they are developing a biodegradable fertilizer from hemp straw, which ensures the slow release of nutrients and helps retain moisture in the soil.
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The creation of biodegradable slow-release fertilizer from hemp hurd is being undertaken by the research group of the Fraunhofer Society (Fraunhofer Institute for Interfacial Engineering and Biotechnology (Fraunhofer IGB) in the HanAkku project. This is reported by Agrarheute. The focus is on the hemp hurd, the woody inner core of the stems of industrial hemp. This material is a byproduct of fiber processing. And in the future, it may acquire a new function: as a carrier for biodegradable slow-release fertilizer, researchers believe. The goal of developing hemp fertilizer is to avoid over-fertilization of crops and unnecessary costs. The process of producing hemp fertilizer occurs in several stages. First, researchers analyze the specific nutrient needs of the respective crop. Then these nutrients are dissolved in the laboratory. Then the hemp hurd is enriched with this nutrient solution. During the use of hemp hurd, it releases the absorbed substances in a controlled manner, ...