Blood Meal
Blood meal is a finely ground protein product that is derived from porcine blood. It is considered high in nitrogen, compared to all the organic meals.
13-0-0
TOTAL NITROGEN (N)...13.0%
*Water Insoluble Nitrogen...13%
- Can lower ph
- High concentration of non-synthetic nitrogen
- Can last up to 8 weeks but some environmental factors can affect its release (3 weeks after application, a soil test is recommended)
- Commonly used to repel/deter animals (ex. deer)
- CAUTION- can make animals sick if ingested
- Brakes down rapidly by soil organisms into an available nutrient
- Quickly available organic nitrogen
- Best application is when it is lightly incorporated into the surface of the soil.
Feather Meal
Feather meal is a biproduct of processing poultry feathers. It is produced by sterilizing feathers and then grinding them into a powder. Its primary benefit is that it is a slow-release nitrogen.
- Guaranteed analysis: 13-0-0
- Has no effect on pH
- Starts to become active within 4-7 days of application
- Can last up to 3 months in soil
- Increases green leaf growth
- It is high in nitrogen, but its bioavailability can be low
- Chicken feathers are the primary source
- not water soluble
- top dressing is not ideal