| abstract |
The present invention relates to a plant nutrient for apple cultivation comprising a shell extract, egg shell powder and microbial preparation and a method for manufacturing the same, wherein the shell extract 30 to 50% by weight, egg shell powder 20 to 30% by weight and microbial agent 20 to 40% by weight Its technical features include, it promotes growth, increases calcium content, increases sugar content, increases hardness, and increases shelf life, as well as prevents fruit disease, East Sea and soil acidification and decomposes insoluble phosphoric acid and salts. . |