Short-term effects of bone meal powder on soil phosphorus availability, seed germination, and early growth parameters of Malabar Spinach (Basella alba).
Roy A, Sarker P
Soil Health
Crushed bone from kitchen scraps or butcher waste could feed phosphorus-hungry plants in your veggie garden without the environmental cost of mined fertilizer — but this study shows the dose and timing matter more than expected.
Researchers tested whether ground-up bone meal could release phosphorus into soil as well as chemical fertilizers do — and it did. But when they actually grew Malabar spinach in the amended soil, seeds were slower to sprout and seedlings didn't thrive as well as in untreated soil. The takeaway: bone meal is promising as a natural phosphorus source, but using too much too soon can set young plants back.
Key Findings
Bone meal powder significantly increased available phosphorus in both high-salinity and low-salinity soils compared to unamended controls.
Despite improved soil phosphorus, bone meal application negatively affected seed germination rates and early growth variables in non-saline soil.
Shoot length showed large differences between treated and untreated plants, while root length and fresh weight differed only marginally.
chevron_right Technical Summary
Bone meal powder boosted phosphorus availability in both saline and non-saline soils, but unexpectedly slowed seed germination and early growth of Malabar spinach — suggesting it needs refinement before replacing synthetic fertilizers.
Abstract Preview
There is a growing need to find alternatives to chemical fertilizers, particularly for Phosphorus supply. Chemical fertilizers contribute to environmental problems and natural phosphate resources a...
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Basella alba is a perennial vine in the family Basellaceae. It is also known by common names including Malabar spinach, vine spinach, Ceylon spinach, alugbati and Indian spinach.