Clover Plugs-A "Slow Release" Nitrogen Source Established with Seedlings at Time of Planting
Nitrogen-fixing plants have long been used to amend nitrogen deficient forest soils in Europe (1). Their use in North American forestry has been more limited, confined mainly to nursery cover crops. However, an optimistic review of the potential of nitrogen-fixing in coastal British Columbia (2), coupled with escalating commercial fertilizer costs stimulated MacMillan Bloedel Limited to initiate field trials.
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Author(s): Cai Hermansen
Publication: Tree Planters' Notes - Volume 27, Number 3 (1976)
Volume: 27
Number: 3