Grabosky, J., & Bassuk, N. L. (1995).
Journal of Arboriculture, 21, 187–201.
It is apparent that we can grow plant materials in a load-bearing pavement base. A blend's strength is a function of the strength of stone if the stone-to-soil ratio is not lower than the critical ratio which would occur with the addition of excessive soil Currently plant materials are being grown and studied in stone/soil mixes compacted to optimum densities. Water management, nutrient availability frost-heave susceptibility, as well as root and shoot growth studies will be incorporated into these and future tests.
Tags: Root systems, spacing, constructed infrastructure
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