Nutritional Supplements for Grape Cultivation comprising Coffee Resudual Product Charcoal Powder and Microbial Agent and Manufacturing method thereof

摘要

The present invention relates to nutritional supplements for grape cultivation, including a coffee residual product, charcoal powder and microbial agent and a method for manufacturing the same. The present invention includes 30 to 50 wt% of coffee residual product, 20 to 30 wt% of charcoal powder and 20 to 40 wt% of microbial agent. In addition, it is possible to increase calcium content, promote growth, increase hardness and sweetness of fruit, prevent grape shatter, heat and soil acidification, and decompose insoluble phosphoric acids and salts.