PROBLEM TO BE SOLVED: To provide a plant fertilizer that comprises as raw materials, non-toxic edible vegetable fat and non-toxic food additive, shows excellent preventive and protective effect against diseases and injurious insects that horticultural plants suffer from, and further exhibits a fertilizer effect abundant in a nutritional value.SOLUTION: This invention relates to: a mixed liquid, a mixed powder or a mixed grain comprising an edible vegetable fat and a salt a mixed liquid, a mixed powder or a mixed grain comprising the edible vegetable fat and a vinegar or a mixed liquid, a mixed powder or a mixed grain comprising the edible vegetable fat, the salt, and the vinegar. A mineral and vitamin B12 can be added to a plant fertilizer. A wood vinegar, a bamboo vinegar, and a chaff vinegar are used as the vinegar. The plant fertilizer is formed in a kneaded form and can be mixed with sawdust, chaff, or buckwheat husk.COPYRIGHT: (C)2013,JPO&INPIT【課題】毒性のない食用植物油脂及び食品添加物を原料とし、園芸用植物の病気と害虫の予防、防止の効果に優れ、同時に栄養価に富んだ肥料効果も発揮する植物用肥料を提供することを目的とする。【解決手段】食用植物油脂と食塩、食用植物油脂と酢又は食用植物油脂、食塩及び酢を含有する混合液体、混合粉体又は混合粒体とする。植物用肥料は、ミネラルやビタミンB12を加えることができ、前記酢は、木酢、竹酢又はモミ酢とすることができる。さらに、前記植物用肥料は、煉り状体にし、大鋸屑、もみ殻又はそば殻のいずれかと混合することもできる。【選択図】なし