A mulching film of synthetic material of substantial length in a running direction having a plurality of short parallel slits or linear apertures formed therein in at least one row extending in the running direction of the film. The film is used to cover fields in which seeds or seedlings are planted.
A method and article for horticultural protection of plant growths during the maturation thereof whereby the volume exchange of oxygen, carbon dioxide, and moisture is controlled in accordance with the demands thereof during maturation.
A vegetation suppressing, ground covering agronomic mulch sheet adapted for the prevention and/or control of undesirable plant growth is disclosed. The sheet is comprised of a web having a maximum light transmittance of about 60% and a minimum air permeability of about 200 1/m.sup.2 s at a pressure differential of 10 mm water.
A sheet of mulch material and method of making the same are provided, the sheet of mulch material comprising a sheet of polymeric material having openings passing therethrough and opposed sides one of which is to face the ground on which the sheet of mulch material is to be disposed, and a sheet of fabric material being coextensive with and being secured to the one side of the sheet of polymeric material and overlapping the openings thereof to tend to prevent plant growth through the openings.
There is disclosed an agricultural mulch in sheet form pierced by a recurring, closely spaced slit pattern which provides normally closed passage points between the open air and ground at any random point in the growing area for germinating plants and rain water. The slit pattern can provide structural integrity for the sheet laterally, longitudinally, diagonally or various combinations thereof, and can additionally provide flaps which can be oriented to protect the emergent plants from cold winds.
A sheet of mulch material and method of making the same are provided, the sheet of mulch material comprising a sheet of polymeric material having openings passing therethrough and opposed sides one of which is to face the ground on which the sheet of mulch material is to be disposed, and a sheet of fabric material being coextensive with and being secured to the one side of the sheet of polymeric material and overlapping the openings thereof to tend to prevent plant growth through the openings.
