a dry organic fertilizer made from blood. Analysis will be approximately NPK 11-0-0.

This organic fertilizer is very high in nitrogen and is very soluble in water (unlike most other dry organic fertilizers). It also contains plant growth regulators. All this together means that its effect is strong and quick, but its power will only last a short while, especially in wet weather. When applying blood meal, take care, as it will easily burn a plant's leaves.

the dried and powdered blood of animals

Blood taken from a human or other host by a mosquito.