US20110314731A1 - Plant treatment material - Google Patents

Plant treatment material Download PDF

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Publication number
US20110314731A1
US20110314731A1 US13/226,226 US201113226226A US2011314731A1 US 20110314731 A1 US20110314731 A1 US 20110314731A1 US 201113226226 A US201113226226 A US 201113226226A US 2011314731 A1 US2011314731 A1 US 2011314731A1
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United States
Prior art keywords
longitudinally extending
sheet material
side margins
ground cover
tapes
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
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US13/226,226
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English (en)
Inventor
Jonathan Dallas Toye
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Extenday IP Ltd
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Extenday IP Ltd
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Publication date
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Priority to US13/226,226 priority Critical patent/US20110314731A1/en
Assigned to EXTENDAY IP LIMITED reassignment EXTENDAY IP LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TOYE, JONATHAN DALLAS
Publication of US20110314731A1 publication Critical patent/US20110314731A1/en
Priority to US14/929,690 priority patent/US10136588B2/en
Priority to US15/886,274 priority patent/US10595473B2/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protecting plants
    • A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/0256—Ground coverings
    • A01G13/0268—Mats or sheets, e.g. nets or fabrics

Definitions

  • the invention relates to woven materials and particularly but not exclusively to woven materials for use as ground covers or other agricultural applications.
  • Ground cover materials have been used in agriculture for a number of purposes. These include moisture retention, water conservation, weed or sward suppression, soil warmth retention and for light reflecting.
  • the material is rolled out in lengths onto the ground between rows of trees in an orchard, rows of vines in a vineyard, or rows of berry fruit plants for example, to increase the amount of light to which the plants and in particular fruit are exposed, by reflection of light from the material towards the fruit above.
  • Each length of the material needs to be suitably secured in place such that it will not be dislodged during wind or movement of traffic over the materials.
  • a fastening system including a multiple number of prong fastening components or “claws” may be fixed to the edges or side margins of the sheet material by pushing the prongs of the fastening components into the material so that prongs pierce and pass through the material.
  • the prongs are fixed to adjacent trees, or alternatively stakes or pegs inserted for that purpose, typically but not necessarily by a length of elastic cord.
  • the sheet material will typically remain in place for some months, before being removed and reused in a subsequent growing season or on another crop in the same growing season. During the period in which the material is in place fixed to the ground wind may apply substantial loading to the fastening system by which the material is fixed to the ground.
  • the invention comprises a reflective ground cover sheet material in which longitudinally extending opposite side margins of the sheet material are stronger than a longitudinally extending centre section between the side margins of the material.
  • the sheet material is formed from warp and weft tapes of a plastics material.
  • the width of the warp tapes is reduced so that the material has a higher density of warp tapes, or the thickness of the warp tapes is increased, in the side margins between the outer edge of the material generally parallel to the warp tapes to about 150-200 mm in from either side edge of the material towards the centre of the material.
  • the transition between the reduced width or increased thickness warp tapes at the side margins of the material and the greater width or lower thickness warp tapes is marked by a line or other marking of contrasting colour.
  • the colour of all of the reduced width or increased thickness warp tapes may contrast slightly to that of the balance of the sheet material.
  • the warp tapes in side margins of the material may be of both greater width and increased thickness than the warp tapes between the side margins of the material.
  • the invention comprises a woven ground cover sheet material woven in which the width of warp tapes is reduced in longitudinally extending opposite side margins of the material relative to the width of warp tapes in a longitudinally extending centre section between the side margins of the material.
  • the invention comprises a woven ground cover sheet material in which the thickness of warp tapes is increased in longitudinally extending side margins of the material relative to the thickness of warp tapes in a longitudinally extending centre section between the side margins of the material.
  • the side margins of the material, in which the warp tapes are of reduced width and higher density, or are of increased thickness, are stronger than the balance of the material.
  • the increased strength of the side margins provides more secure fixing of the material, with reduced risk of tearing or enlargement of the holes formed when the prongs pierce through the material which increases risk of dislodgement of the fastening components.
  • the major part of the sheet material may be woven with warp tapes, and weft tapes, having a width greater than that of the warp tapes in the side margins, as may be desirable to optimise the tape width for the particular property desired from the ground cover. For example wider tapes may provide higher porosity or ease of movement through the material (see below) to wind, air, dirt, soil and water.
  • the invention comprises a woven ground cover sheet material woven with a tighter weave in longitudinally extending opposite side margins of the material than in a longitudinally extending centre section between the side margins of the material. That is, the width & thickness of the tapes in the side margins of the material may be the same as in the centre section of the material but the weave of the material in the side margins may be tighter to give the side margins increased strength as referred to above.
  • the invention comprises a woven ground cover sheet material in which the chemical composition of warp tapes in longitudinally extending opposite side margins of the material is different to that of warp tapes in a longitudinally extending centre section between the side margins of the material to strengthen the side margins of the material relative to the longitudinally extending centre section of the material, or to increase the resistance of the side margins of the material to strength degradation from exposure to the external environment and/or aging, relative to said longitudinal centre section of the material.
  • the invention comprises a reflective ground cover sheet material in which longitudinally extending opposite side margins of the material have had applied thereto one or more agents to strengthen the side margins of the material relative to a longitudinally extending centre section of the material, or to increase the resistance of the side margins of the material to strength degradation from exposure to the external environment and/or aging, relative to said longitudinal centre section of the material.
  • said one or more agents are incorporated in a resin from which warp tapes of a plastics material of the side margins of the material are formed.
  • An increase in resistance of the side margins to strength degradation can come from the type or concentration of light or heat stabilisers used, or by the type of polymer resins or additives to the main polymer resin, for these side margin tapes in the warp direction.
  • said one or more agents may be sprayed or otherwise overcoated onto the side margins of the material after manufacture of the material.
  • said one or more agents includes at least one light or heat stabiliser or processing aids which will increase the resistance of the side margins of the material to degradation through exposure from solar radiation or heat or chemical or environmental degradation in an external environment.
  • said one or more agents include at least one agent which increases the strength of a plastic material from which the side margins are formed. Another agent to increase the strength of the side margin could be the use of different polymers from the main body of the fabric.
  • polymers could be either on their own or in combination polypropylene, polyester, polyethylene, polyvinyl acetates, low density polyethylene, linear low density polyethylene, ethylene butyl acrylate, ethylene methyl acrylate, polystyrene, styrene-butadiene, acrylonitrile-butadiene-styrene, styrene-acrylonitrile, polyethylene terephthalate, polymethylmethacrylate, polycarbonate, and ethylene alpha-olefin.
  • the side margins of the material are stronger than the balance of the material, so that when the sheet is fixed in place as referred to previously, the increased strength of the side margins provides more secure fixing of the material with reduced risk of tearing or enlargement, especially when under load, of the holes formed when the prongs pierce through the material.
  • the approach here is to increase the strength of the weakest link of the material that affects its longevity, to give an overall material with a longer life in order to give users a useful choice to extend the life of the material.
  • the side margins of the material may have equivalent strength to that of the centre section of the material initially, but the side margins are more slowly degraded from exposure to the external environment such as solar radiation, or from aging generally, and maintain their strength for longer, so that the material will remain securely fixed with reduced risk of tearing or enlargement of the holes formed in the side margins of the material when the prongs pierce through the material, then the material is subjected to wind loading for example. It may also be possible to reuse the material for more subsequent seasons than would otherwise be the case and thus achieve a longer useful life from the material.
  • the invention comprises a reflective ground cover sheet material having longitudinally extending opposite side margins of the sheet material of lower porosity (as herein defined) than a longitudinally extending centre section between the side margins of the material.
  • the invention comprises a ground cover sheet material in which longitudinally extending opposite side margins of the sheet material have a lower porosity (as herein defined) than a longitudinally extending centre section between the side margins of the material.
  • the invention comprises a reflective ground cover sheet material in which longitudinally extending opposite side margins of the sheet material are stronger and have a lower porosity (as herein defined) than a longitudinally extending centre section between the side margins of the material.
  • the invention comprises a woven ground cover sheet material woven in which the width of warp tapes is reduced and the thickness of the warp tapes is increased in longitudinally extending opposite side margins of the material relative to the width of and thickness of warp tapes in a longitudinally extending centre section between the side margins of the material.
  • the invention comprises a reflective ground cover sheet material woven from warp tapes and weft tapes in which the warp and weft tapes have not been folded or twisted during weaving or have been folded or twisted minimally, so that there is not more than one fold or twist per 10 m 2 surface area of the material at least in the centre section of the material.
  • the invention comprises a reflective ground cover sheet material in which the transition between an inner edge of each side margins and the centre section of the material is marked by a line or other marking of contrasting colour.
  • the invention comprises a reflective ground cover sheet material woven from warp tapes and weft tapes and in which the colour of all of the warp tapes in the side margins contrasts to that of the balance of the sheet material.
  • the invention comprises a reflective ground cover sheet material having a porosity (as herein defined) of at least 2%.
  • the material has a porosity of at least 2%.
  • the material has a porosity up to 15%, more preferably 4-12%, even more preferably 5-10%, and most preferably 6-8%.
  • porosity is meant the percentage of the surface area of the material which is made up of holes or apertures through the material, between spaced apart warp and weft tapes of the material for example, relative to the overall surface area of the material.
  • a material having warp and well tapes spaced apart from each other so that the air space between the warp and well tapes constitutes 8% per square metre surface area of the material will have a porosity of 8%.
  • the porosity is made up of small evenly spaced apertures rather than large holes. Thus the porosity is generated by weaving the tapes so that there is some tree space between the tapes, such that they are not butted up hard against each other as is the current practice.
  • reflective in general is meant that the material is reflective of at least 50% of visible light on at least one side of the material.
  • ground cover materials may be either extruded film materials or tightly woven materials having minimal porosity, to effectively suppress weed growth and/or maximise light reflection from the upper surface of the material.
  • the material of the invention may be formed so as to have acceptable reflectivity while the relatively high porosity of the material reduces the sail-effect of the material during windy periods as wind or air may pass through the more porous material, which reduces the mechanical loading on the fixing system which fixes the material in place and therefore reduces the likelihood of the material becoming dislodged and/or damage to the material and/or the fixing system. Additionally the more porous material allows more air movement between the ground and the air above the ground cover.
  • ground cover sheet materials typically sheet materials of the invention will be laid out in lengths on the ground between rows of the crop being grown, which may be trees, vines, bushes etc, to increase the amount of light to which the plants and in particular the fruit are exposed, by reflection of the light from the material back up towards the crop above, and the materials are referred to in the specification as “ground cover sheet materials”. It is possible however that the materials may be suspended or positioned above the ground in a vertical or angled position to reflect the solar radiation onto the crop, for example on either side of the crop row, for example trees, and held in position by guy ropes or attached to wires that are positioned along the row direction or poles or a frame, and the expression “ground cover sheet material” is intended to encompass materials for such applications also.
  • FIG. 1 shows use of a ground cover material and fixing of the ground cover material in place by the use of a claw and cord system, including a fastening component that penetrates the side margins of the material;
  • FIG. 2 shows a single fastening component
  • FIG. 3 shows a section of woven material according to one aspect of the invention
  • FIG. 4 shows a construction of the side margin of the material with a marker tape 40 mm in from the edge marking the start of the fastener attachment area and another marker tape 160 mm in from the edge marking the end of the fastener attachment area, and a batch marker tape;
  • FIG. 5 shows another construction of the side margin of the material with a marker tape 40 mm in from the edge marking the fastener attachment area on either side of the marker tape depending on the fastener method;
  • FIG. 6 shows a section of woven material according to another aspect of the invention.
  • FIG. 7 shows use of a ground cover material according to another aspect of the invention between two rows of trees with an attachment system including fastening components which penetrate reinforced side margins of the material where there is extra strength and lower porosity relative to the central area of the material which has higher porosity.
  • agricultural sheeting 1 is anchored underneath agricultural crops such as rows of orchard trees 4 as a ground cover, which typically has reflective properties to reflect solar radiation onto the fruit trees and fruit from below.
  • FIG. 1 only part of the sheeting is shown.
  • long sections of the sheet material are anchored along both edges between rows of orchard trees or vines.
  • the material is woven from flat warp and weft tapes of a plastics material.
  • Fastening claws 20 connect to the sheeting along its edges, and in turn may connect to clips 10 usually by loops or lengths of extensible or optionally inextensible material 30 .
  • the clips 10 may in turn attach to staples 5 hammered into the spaced trees 4 as shown, or alternatively to stakes or pegs hammered into the ground, or to a wire extending along the row of the trees or vines, or to twine tied around the tree trunk or vine, for example.
  • fastening claw 20 is shown in more detail in FIG. 2 and includes two arms 21 which extend to prongs 22 on either side, which prongs are in use forced through and pierce the sheeting 1 .
  • the fastening claws or equivalent fastening components may be of other forms however.
  • the claw 20 and clip 10 are shown connected by a loop 30 of extensible or optionally inextensible material.
  • FIG. 3 shows the side margin of one form of sheet material of the invention.
  • the side margin area shown in FIG. 3 is the area A indicated and bounded by broken lines in FIG. 1 .
  • the sheet material is woven from longitudinally extending warp tapes 25 a and 25 b and transverse weft tapes 26 .
  • the tapes are flat plastic tapes either or both of which are formed from a polymer containing pigments which give the ground cover material the desired light reflective and transmissive properties.
  • the tapes are formed by extruding a film material from the polymer resin and then cutting the film into tapes which are in turn used to weave the woven material.
  • the tapes from which the material is woven may be formed by any other suitable process however.
  • the warp tapes 25 a in the side margins of the material will be between 1 mm and 9 mm in width, while the other warp tapes 25 b will be between 2 mm and 10 mm width.
  • the weft tapes which extend transversely across the woven material are woven through both the wider warp tapes and the reduced width warp tapes at either side margin of the material. In some cases the reinforced margin may only be required on one side of the cover.
  • the width of the warp tapes is reduced so that the material has a higher density of warp tapes, in the side margin between the outer edge of the material generally parallel to the warp tapes to about 40 to 200 mm in from either side edge of the material towards the centre of the material.
  • the side margins of the material in which the warp tapes are of reduced width and higher density, tend to be stronger than the balance of the material with the increased number of tape cross overs.
  • a fixing system including fastening components as shown in FIGS. 1 and 2 in which prongs or similar fastening components pierce through the side margins of the sheeting material
  • the increased strength of the side margins provides more secure fixing of the material, with reduced risk of tearing or enlargement of the holes formed when the prongs pierce through the material which increases risk of dislodgement of the prongs.
  • the major part of the sheet material may be woven with warp tapes, and weft tapes, or a greater width than in these side margins, as may be desirable to optimise the reflective and transmissive properties of the material when the material is a reflective ground cover material for example, and/or to give more desired porosity properties.
  • the wider tapes are more suited to give a higher porosity and less physical resistance or less friction to aid in the air, water, dirt and soil movement through the material.
  • the warp tapes 25 a towards the side edge 27 of the sheet material may be of the same or a similar width to the warp tapes 25 b making up the balance of the sheet material, but may be thicker.
  • the warp tapes in the side margins of the material will be 10 to 100% and preferably 10 to 50% thicker than the warp tapes of the balance of the material. Again this will strengthen the side margins of the material so that when the sheet is fixed in place using a fixing system including fastening components in which prongs or similar pierce through the side margins of the material, the increased strength of the side margins provides more secure fixing of the material, with reduced risk of tearing or enlargement of the holes formed when the prongs pierce through the material.
  • the warp tapes 25 a towards the side edges 27 of the sheet material may have both an increased thickness, and a reduced width and therefore a higher number of warp tapes per unit area, than the warp tapes 25 b making up the balance of the sheet material.
  • the warp tapes 25 a may have a similar width as the warp tapes 25 b but be woven with a tighter weave in side margins of the material relative to the weave between the side margins of the material, so that the material has a lower porosity in said side margins of the material than between the side margins of the material.
  • the width & thickness of the tapes in the side margins of the material may be the same as in the centre section of the material but the tighter weave of the material in the side margins will give the side margins increased strength as referred to above.
  • a single warp tape 25 c or a small number of adjacent warp tapes have a contrasting colour to the balance of the warp tapes 25 a and 25 b , to mark one boundary of the stronger side margin of the material.
  • a second contrasting colour warp tape or tapes 25 d may be provided closer to the edge 27 of the material, to define the other side of the strip extending longitudinally of the edge of the material through which the fastening claws should be inserted. It is not desirable to insert the fastening claw very close to the edge of the material or the fastening claw may pull through or damage the edge of the material.
  • Tape 25 d where provided may be positioned 20-60 mm for example 40 mm, from the edge 27 of the material, and tape or tapes 25 c 150-200 mm and for example 160 mm from the edge 27 of the material.
  • FIG. 4 is an example of a construction where marker tape 25 d is 40 mm in from the edge 27 , and then the next marker tape 25 c is 160 mm from the edge 27 and a batch marker tape 25 e is 5 mm from marker tape 25 c (note the drawings are not to exact scale).
  • a line or lines may be printed on the woven material after manufacture or alternatively a strip of a printed pattern or shading may be printed along the either longitudinal side margin of the material to again mark the strip through which it is desirable to insert the fastening components in use.
  • the reduced width warp tapes in the side margins of the material may be formed of a contrasting colour to the balance of the material.
  • FIG. 5 is an example of a construction where the marker tape 25 c is 40 mm in from the edge 27 .
  • the ground staple is placed in the area from the edge of the material 27 to the marker tape 25 c , and for the case where a claw is used the prongs pierce in the area on the other side of marker tape 25 c .
  • the transition from warp tapes 25 a to 25 b occurs 60 to 160 mm from marker tape 25 c , preferably 60 mm.
  • woven materials of the invention are formed from tapes which have not been lengthwise folded or twisted during weaving, or minimally so (for example not more than one fold or twist per 1 m 2 , more preferably 5 m 2 , most preferably 10 m 2 and even more preferably 25 m 2 of material). It is common in the weaving of materials from synthetic tapes for the tapes to be folded lengthwise and crosswise during weaving. Increasing the porosity assists in reduction of folds or twists. As there are no folds for soil and dirt to lodge in and reduce the light reflectivity and/or light transmission of the material or otherwise reduce the reflectivity or strength or life of the material. The resulting reflective ground cover material has a very flat appearance without the folds.
  • woven materials of the invention are woven from tapes having a width of 3 mm or more preferably 3.5 mm or greater, or alternatively 4 mm or greater or more preferably 4.5 mm or greater, and most preferably between 3.5 mm and 4.5 mm in width (except that where the warp tapes in the side margins of the material are of reduced width to increase the side margin strength of the material, the side margin warp tapes such as the tapes 25 a in FIG. 3 will have a reduced width).
  • Materials formed of such wider tapes allow easier movement of air, water and soil particles through the material. Wider tapes tend to slide more easily over and away from each other than narrower tapes.
  • the material may be woven with narrower warp tapes to give a tighter weave and stronger material at the side margins, so that when prongs of a fastening claw or similar device penetrate the material the hole(s) formed will not enlarge easily, to form a more secure connection.
  • more movement in the tapes is acceptable as this movement is associated with more rapid air and water movement, and soil and dirt is less likely to lodge between the tapes where this movement occurs to maintain the reflective and transmission properties.
  • the longitudinally extending opposite side margins of the ground cover material incorporate one or more agents which strengthen the side margins of the material relative to a longitudinal centre section of the material, or increase the resistance of said side margins of the material to strength degradation from exposure to the external environment and/or aging, relative to said longitudinal centre section of the material.
  • said agent(s) include at least one light or heat stabiliser which will increase the resistance of the side margins of the material to degradation through exposure to solar radiation and temperature in an external environment, such as Irganox 245, Irganox 259, Irganox 565, Irganox 1010, Irganox 1035, Irganox 1076, Irganox 1098, Irganox 1135, Irganox 1141, Irganox 1330, Irganox 1425, Irganox 1520, Irganox 3052, Irganox 3114, Irganox 5057, Irganox MD 1024, Irgafos 168, Irgafos DDPP, Irgafos P-EPQ, Irgafos TNPP, Irgafos TPP, Irganox PS 800, Irganox PS 802, Irganox B 215, Irganox
  • Said agent(s) may be incorporated in a resin from which the warp tapes of the side margins of the material are formed.
  • said agent(s) may be applied to the side margins of the material after forming, for example weaving, of the material.
  • the agent(s) may for example be sprayed or otherwise overcoated onto the side margins of the material after manufacture of the material.
  • the warp tapes in the side margins of the material may have different reflection or transmission properties from the warp tapes in the centre and major body of the material.
  • the warp tapes in the side margins of the material may be more opaque, black, clear or otherwise have different reflection or transmission properties, without significantly compromising the overall effect or performance of the material, as the warp tapes in the side margins represent a relatively small percentage of the surface area of the material.
  • FIG. 6 shows a further material according to the invention, which has increased porosity to reduce wind loading and increase air and water passage through the material.
  • the material is a woven material, comprising warp tapes 45 and weft tapes 46 .
  • the warp and weft tapes are spaced apart from each other so that multiple air spaces 47 occur between the warp and weft tapes of the material, to give the material porosity relative to a conventionally tightly woven material.
  • the material has a porosity of at least 2%, preferably up to 15%, more preferably 4-12%, even more preferably 5-10%, and most preferably 6-8%.
  • a ground cover needs properties across its width that vary, thus giving more strength at the edges and higher porosity at the centre.
  • the invention details a method by which a material such as this can be created where previous materials have the same properties across the entire width.
  • a woven or non-woven or extruded film material may be perforated, for example by needle punching or a similar process, after manufacture.
  • the material may be formed as a non-woven synthetic material having the desired degree of porosity (whilst having similar properties of a known ground cover material).
  • the material of the invention may be formed so as to have acceptable reflectivity while the relatively high porosity of the material reduces the sail-effect of the material under wind loading as wind or air may pass through the more porous material as indicated by arrows 50 and 51 .
  • Ground cover materials may incorporate any one or more of the above aspects of the invention in combination.
  • a ground cover material in which the side margins of the material are woven to have an increased density of warp tapes to strengthen the side margins of the material may also at least in the longitudinally extending centre section of the material be woven with a relatively looser or more open weave so that the material has higher porosity, or perforated to give the material a high porosity.
  • the side margins of the material and for example the warp tapes may be formed from a plastics resin which incorporates one or more pigments of agents which give the side margins of the material a higher strength, a higher resistance to solar radiation or heat degradation, and so forth.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Woven Fabrics (AREA)
  • Protection Of Plants (AREA)
US13/226,226 2004-07-22 2011-09-06 Plant treatment material Abandoned US20110314731A1 (en)

Priority Applications (3)

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US13/226,226 US20110314731A1 (en) 2004-07-22 2011-09-06 Plant treatment material
US14/929,690 US10136588B2 (en) 2004-07-22 2015-11-02 Plant treatment material
US15/886,274 US10595473B2 (en) 2004-07-22 2018-02-01 Plant treatment material

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NZ53425104 2004-07-22
NZ534251 2004-07-22
PCT/NZ2005/000182 WO2006009479A1 (en) 2004-07-22 2005-07-22 Plant treatment material
US57248507A 2007-05-08 2007-05-08
US13/226,226 US20110314731A1 (en) 2004-07-22 2011-09-06 Plant treatment material

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US57248507A Continuation 2004-07-22 2007-05-08
US11572485 Continuation 2007-05-08

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US14/929,690 Active US10136588B2 (en) 2004-07-22 2015-11-02 Plant treatment material
US15/886,274 Active US10595473B2 (en) 2004-07-22 2018-02-01 Plant treatment material

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AR (1) AR051271A1 (es)
AU (1) AU2005264795B2 (es)
CA (1) CA2577805C (es)
MX (1) MX2007000917A (es)
WO (1) WO2006009479A1 (es)
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US20120141730A1 (en) * 2009-07-15 2012-06-07 Extenday Ip Limited Woven ground cover materials
USD878186S1 (en) * 2017-06-01 2020-03-17 Nine Ip Limited Sheet fastening and anchoring component
US11122752B1 (en) 2015-11-24 2021-09-21 Tree Defender, Llc Plant cover with insect resistant bag for enclosing a plant
US11503777B2 (en) 2015-11-24 2022-11-22 Tree Defender, Llc Plant cover device with upper end and lower tubular end and related methods
WO2023096875A1 (en) * 2021-11-24 2023-06-01 Calderon Emmanuel Abraham Ortiz Bicolor ground cover
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WO2013162385A1 (en) * 2012-04-26 2013-10-31 Extenday Ip Limited Ground cover material
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US20180168113A1 (en) 2018-06-21
US10595473B2 (en) 2020-03-24
AR051271A1 (es) 2007-01-03
ZA200701488B (en) 2008-08-27
US10136588B2 (en) 2018-11-27
WO2006009479A1 (en) 2006-01-26
MX2007000917A (es) 2007-08-07
CA2577805A1 (en) 2006-01-26
EP1819213A4 (en) 2009-07-01
CA2577805C (en) 2013-12-31
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US20160050858A1 (en) 2016-02-25
AU2005264795A1 (en) 2006-01-26

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