Planting – Dibbling – Manually-operated implements
Patent
1999-06-18
2000-04-11
Novosad, Christopher J.
Planting
Dibbling
Manually-operated implements
111 99, 111200, 111900, A01C 2100, A01B 100
Patent
active
060476508
ABSTRACT:
A method and apparatus 10 for restoring the pH balance of a patch of contaminated hyper acidic soil 100 by creating a series of core holes 101 in the contaminated soil 100 with a core removal tool 20 having a hollow stem element 21 to captively engage a plug of contaminated soil 100 and then refilling the core holes 101 with a substitute soil compound 14 including a mixture of pH balanced soil 50 and a plurality of biodegradable capsules 51 containing a mixture of water and nitrate ions.
REFERENCES:
patent: 3122110 (1964-02-01), Wernicke
patent: 3290821 (1966-12-01), Parry
patent: 4694760 (1987-09-01), Camp
patent: 5257666 (1993-11-01), Townsend, Jr.
patent: 5716132 (1998-02-01), Chou
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