A turf surface 80 comprising: (a) a reinforcing root-permeable mat 10; (b) a removable root-permeable backing 60 located beneath the reinforcing root-permeable mat 10; (c) a layer of growth media 42 located on the reinforcing root-permeable mat 10; and (d) natural grass plants 30 having roots 32 extending downwardly through the layer of growth media 42 and the reinforcing root-permeable mat 10 and the removable root-permeable backing 60; wherein, in use, prior to being laid at a destination site, the removable root-permeable backing 60 is separated from the reinforcing root-permeable mat 10, so that any roots 34 which engage with and extend through the removable root-permeable backing 60 are substantially removed from the turf surface 80.

A hybrid grass support structure (100, 200, 300, 400, 500, 600, 710) comprising a growth medium layer (102), a stone wool layer (104) positioned below the growth medium layer, and a plurality of synthetic grass fibers (106). The growth medium layer comprises a growth medium. The synthetic grass fibers are incorporated at least into the growth medium layer.

A synthetic turf having a mat with a face arranged adjacent to a surface to coat, and a face opposite the face. The turf includes a plurality of blades made of a synthetic material that are connected to the mat. Above the face of the mat, an infill material is provided that is arranged among the blades. The infill material includes a predetermined percentage by volume of a vegetable material consisting of rachis of cereal ear.

The invention provides for method for forming an artificial turf infill material. The method comprises selecting from a zeolite ore a microporous zeolite mineral using a selection criterion on specific surface area of the mineral, thereby providing the artificial turf infill material.

A device for inserting artificial grass strands in the ground is described herein. In some embodiments, the device may comprise a frame, a plurality of spools with artificial grass strands wound thereon, a drum rotatably mounted on the frame and having clamps that rotate with the drum. The clamps may hold artificial grass strands and may rotate with rotation of the drum, a cutting device may cut the grass strands, and an insertion device may insert the grass strands into the ground via use of insertion pins.

A device for inserting artificial grass strand parts in the ground comprises at least one drum mounted on a frame for rotation about a substantially horizontal axis. The drum receives a plurality of artificial grass strands unwound from a plurality of spools. The drum comprises a plurality of clamps which hold an artificial grass strand part between a front clamp and a rear clamp, viewed in the direction of rotation, which allow the artificial grass strand parts to rotate with the drum. At least one cutting device cuts the clamped artificial grass strand parts from the rest of the respective artificial grass strands. The drum rotates the series of artificial grass strand parts to below an insertion device which inserts the artificial grass strand parts into the ground.

A mat for a hybrid sport or decorative turf, having a form of a woven fabric, with a single-sided cover pile made of olefin synthetic yarns such as polyethylene and/or polypropylene and/or polyester, according to a W or 5/12W or 7/16W weave structure, comprising pile burls interlaced with weft, wherein the ends of the burls form synthetic grass blades. The mat has from 5000 to 20000 pile burls per m.sup.2, a warp density from 54 to 72 ends/10 cm, a weft density from 30 to 80 ends/10 cm and a pile height from 20 to 140 mm, wherein each pile burl (3) is interlaced at least two times over three weft fibers (5), and wherein the total surface mass of the mat is from 753 to 2105 g/m.sup.2.

There is provided a hybrid turf support for use with natural grass to form a stable hybrid turf system, the hybrid turf support comprising a knitted reticulated support; and a plurality of grass-like fibers extending upwardly from the knitted reticulated support, the grass-like fibers comprising groups of fibers extending upwardly at intervals.

Provided is a mixed turf, positioned on a terrain. The mixed turf includes a synthetic turf lawn with natural turf placed within the synthetic turf lawn. The synthetic turf lawn also includes synthetic filaments configured to simulate blades of turf and a media including a non-biodegradable membrane sustaining the synthetic filaments. The media is positioned inside said terrain and is substantially draining, breathable and permeable to the roots of said natural turf. The media includes a textile made of a plurality of twines superposed and reciprocally woven together, each one having a base, which is periodically repeated along substantially the entire textile. Each twine has a base of different dimensions compared to the other twines along the extension plane of the textile.

An artificial turf system provides an existing artificial turf including a plurality of existing artificial turf fibres and an existing artificial turf backing configured to carry the plurality of existing artificial turf fibres, a new artificial turf comprising a plurality of artificial turf fibres and an artificial turf backing layer, where the artificial turf backing layer comprises a carrier structure configured to carry the plurality of artificial turf fibres, and a geogrid positioned between the existing artificial turf and the backing layer of the new artificial turf.