Method of making a dark, uniformly-colored, hardwood mulch

Details Method of making a dark, uniformly-colored, hardwood mulch Method of making a dark, uniformly-colored, hardwood mulch

1986-06-06

1988-12-06

Johnson, Richard J.

Plant husbandry

Mulching

8156, A01G 700

Patent

active

047887907

ABSTRACT:
Method of making a dark, uniformly-colored, hardwood mulch by forming a mass of large-fibered hardwood pulp consisting essentially of 20-100% by weight large-fibered, hardwood bark pulp and 0-80% of large-fibered hardwood wood pulp, but preferably at least about 25% by weight of the wood pulp. Water is passed through the mass in an amount greater than that necessary to saturate the mass in order that the excess water may be constantly recycled through the mass of fibers. Recycling continues until the mass of wood fibers and pulp fibers achieve the desired dark, uniform color.

REFERENCES:
patent: 1819963 (1931-08-01), Morterud
patent: 3091436 (1963-05-01), Finn
patent: 3393122 (1968-07-01), Marshal
patent: 4058124 (1977-11-01), Yen et al.
patent: 4250662 (1981-02-01), Rees et al.
patent: 4339890 (1982-07-01), Koenig et al.

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