Greenway Biotech Bone Meal Fertilizer
Best organic phosphorus booster for gardeners growing vegetables, bulbs, and trees.
This phosphorus-heavy powerhouse is the secret to massive root systems and prolific blooms. While you have to play the long game with its slow-release formula, the steady, calcium-rich nourishment it provides is far superior to the quick-fix synthetic alternatives that strip your soil over time.
$19.99
Who it's for
- Busy growers preferring low-maintenance, long-term plant feeding
- Eco-conscious gardeners prioritizing natural soil health and sustainability
- Gardeners aiming for vibrant flowers and strong root systems
Who should skip it
- Pet owners worried about attracting animals to their garden
- Gardeners with alkaline soil who avoid complex pH testing
- Beginners seeking an all-in-one, complete nutrient solution
Performance breakdown
Root Development Support
High phosphorus content drives exceptional root system establishment and vigor.
Nutrient Longevity
Slow-release formula provides consistent nourishment for an entire growing season.
Calcium Fortification
Significant calcium levels effectively prevent common structural deficiencies in fruiting plants.
Soil Compatibility
Gentle organic composition improves biology without disrupting delicate soil pH levels.
Application Versatility
Granular texture works seamlessly across bulbs, vegetables, and ornamental trees.
Ease of Integration
Requires manual soil incorporation, which is standard but labor-intensive for large areas.
Key Specs
N-P-K Ratio
3-15-0
Calcium Content
24%
Source Material
Bovine bone
Release Speed
Slow release (3-4 months)
Fertilizer Type
Organic
Nitrogen Percentage
3%
Phosphorus Percentage
15%
Potassium Percentage
0%
Application Method
Broadcast
Duration of Effectiveness
4 months
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