Microalgae biological compound liquid fertilizer as well as preparation method and application thereof

The invention provides a microalgae biological compound liquid fertilizer as well as a preparation method and application thereof, and belongs to the technical field of biological fertilizers, the microalgae biological compound liquid fertilizer comprises the following components in parts by weight: 25-45 parts of chlorella pyrenoidosa, 15-30 parts of photosynthetic nutrient green algae, 5-15 parts of marine brevibacillus laterosporus and 5-15 parts of streptomyces microflavus. The chlorella pyrenoidosa, the photosynthetic nutrient green algae, the marine brevibacillus laterosporus and the streptomyces microflavus are added to achieve a synergistic effect, so that nutritional ingredients such as organic matters, nitrogen and phosphorus in soil are effectively improved, the yield and quality of vegetables are remarkably improved, and meanwhile, the microalgae biological compound liquid fertilizer is green, safe and high in utilization rate. 本发明提供了一种微藻生物复合液肥及其制备方法与应用，属于生物肥料技术领域，所述微藻生物复合液肥包括以下重量份的组分：蛋白核小球藻25～45份