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A plant sod mat utilizing a planting medium of spent mushroom growth material and a porosity increasing material and methods of preparing mushroom compost and of preparing spent mushroom growth media for use in plant sod mats. A plant sod mat utilizing spent mushroom growth media may comprise two la

A plant sod mat utilizing a planting medium of spent mushroom growth material and a porosity increasing material and methods of preparing mushroom compost and of preparing spent mushroom growth media for use in plant sod mats. A plant sod mat utilizing spent mushroom growth media may comprise two layers of the spent mushroom growth media separated by a sheet of polyester, polypropylene or polyethylene fabric. The plant sod mat may also utilize root binding fabrics comprising polyester, polypropylene or polyethylene.

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[ What is claimed is:] [1.] A plant sod mat comprising:a sheet of perforated polyethylene,a sheet of polyester, polypropylene or polyethylene fabric atop the perforated polyethylene,a planting medium atop the fabric,plants growing in the planting medium, wherein the improvement comprises a planting

[ What is claimed is:] [1.] A plant sod mat comprising:a sheet of perforated polyethylene,a sheet of polyester, polypropylene or polyethylene fabric atop the perforated polyethylene,a planting medium atop the fabric,plants growing in the planting medium, wherein the improvement comprises a planting medium comprising raw spent mushroom growth media and a porosity increasing material. [12.] A method of propagating plants on sod mats comprising:a) providing a sheet of perforated polyethylene;b) positioning a sheet of polyester, polypropylene or polyethylene fabric atop the perforated polyethylene;c) depositing a layer of raw spent mushroom growth media and porosity increasing material on the fabric sheet combination;d) applying sufficient water to the mushroom growth media to reduce the electrical conductivity of the media to less than 1.25;e) spreading viable plant seed over the media;f) moistening the media and seeds;g) germinating seeds in the media, such that the roots of the seedlings mesh with the polyester, polypropylene or polyethylene fabric forming a sod mat;h) removing the mat from the perforated polyethylene; andi) cutting the sod mat into sections for packaging, storage and installation. A method of propagating plants on sod mats comprising:a) providing a sheet of perforated polyethylene;b) positioning a first layer of raw spent mushroom growth media and porosity increasing material atop the sheet of perforated polyethylene;c) positioning a sheet of polyester, polypropylene or polyethylene fabric atop the first layer of raw spent mushroom growth and porosity increasing material;d) depositing a second layer of raw spent mushroom growth media and porosity increasing material on the fabric to form a raw spent mushroom growth media and porosity increasing material bilayer;e) applying sufficient water to the bilayer to reduce the electrical conductivity of the bilayer to less than 1.25;f) spreading viable plant seed over the second layer of raw spent mushroom growth and porosity increasing material;g) moistening the first and second layers of the media and the seeds;h) germinating seeds in the second layer of the media such that the roots of the plants mesh with the bilayer forming a sod mat;i) removing the mat from the perforated polyethylene; andj) cutting the sod mat into sections for packaging, storage and installation. A method of propagating plants on sod mats comprising:a) providing a sheet of perforated polyethylene;b) positioning a first layer of raw spent mushroom growth and porosity increasing material atop the sheet of perforated polyethylene;c) positioning a sheet of polyester, polypropylene or polyethylene fabric atop the first layer of raw spent mushroom growth and porosity increasing material;d) depositing a second layer of raw spent mushroom growth media and porosity increasing material on the polyester fabric to form a raw spent mushroom growth and porosity increasing material bilayer;e) applying sufficient water to the bilayer to reduce the electrical conductivity of the bilayer to less than 1.25;f) moistening the first and second media layers;g) plugging cuttings into the second layer of medium such that the cuttings grow roots and the roots of the cuttings mesh with the planting media bilayer forming a sod mat;h) removing the mat from the perforated polyethylene; andi) cutting the sod mat into sections for packaging, storage and installation.