DE19706828C1 - System revitalising and protecting trees and plants comprising rainwater collection funnel with perforated, pointed tube - Google Patents

Abstract

This new system revitalises and protects trees or other plants. A tube (1) is introduced into the root region; its openings permit flow (8) into the surroundings. The cartridge (3) is composed of fertiliser, mineral and/or neutralisers, in the form of solid powder, mixture, paste or granules. This is introduced or removed through the top opening of the tube. In time, the cartridge is broken down by water. The cartridge incorporates a thread (13) and mesh, assisting its introduction, removal and/or attachment. Preferably the tube is made of polyvinyl chloride, polyethylene, polypropylene, glass reinforced plastic and/or mineral fibre-reinforced plastic resins.

Description

The invention relates to a system for revitalizing and Protect trees or other plants.

Tree protection and tree care methods of various types are already known. So a ventilation and infiltration system with perforated plastic tubes works Oxygen and lack of moisture in trees due to soil sealing, outside against the groundwater level, compaction of the soil layer, etc. The System has vertical ventilation pipes reaching to the surface of the earth and can be closed additionally a ring line connecting this below in the root area of the trees point. In another system, the loop has only a single one filler neck with a lid. The lid can be used for irrigation and fertilization be lifted and swung out.  

In addition, it has already pointed irrigation pipes to drive into the Given ground. Furthermore, pipes have already become known which are funnel-shaped at the top expansion to collect water.

It is also known to introduce fertilizer stocks into soil holes around the tree to provide nutrients over a period of time. The holes can be in the Bo which are drilled or rinsed or made by vacuuming soil material will. Fertilizer cartridges are also known, which are in a borehole put or rammed into the ground to gradually decompose. From the DE 44 36 924 A1 discloses a long-term fertilizer bar that is inserted directly into the soil should be bedded and therefore only one nutrient shell from several tubular Has segments of biodegradable polymer materials.

In addition, pipes have already been placed in the ground with a free-flowing fertilizer be filled medium, which is poured after decomposition.

In addition, lances that have been introduced into the ground have already become known to loosen and aerate the soil using compressed air to take. The compressed air can be a substrate for stabilizing the soil structure or Fertilization can be added.  

From DE 37 29 893 A1 an irrigation rod for trees and bushes be knows, in a pipe with holes and / or elongated holes, the Ends in a point with a strand of highly absorbent rock or glass wool square cross section. This strand is in the middle of one ner long sides with a cut in which fertilizer, preferably as Granules, is introduced. The water sucked up by the strand releases the water brought fertilizer that later merges with water. For the It is difficult for users to tell when the strand made of highly absorbent stone or Glass wool no longer has the desired fertilizing effect. In case he stranded in solid Changing intervals, this can lead to it either being too early or too is changed late, because the delivery of the fertilizer from the Nie very much impact conditions, tree and plant growth and other local ge depends on circumstances. The strand can also be removed by swelling len the rock or glass wool be difficult, with the risk that the parts of the Tear off strands and can no longer be taken out of the pipe. Except the old strand must be disposed of if it is not time-consuming again with fertilizer should be filled.

Based on this, the object of the invention is a system for Revita lify and protect trees and other plants to create that on the one hand the timely refilling of the substance to be introduced favors, on the other hand  but also promotes their complete consumption and the one to be brought in Substance is easier to refill or remove.

The object is achieved by a system with the features of claim 1. Advantageous refinements are specified in the subclaims.

The system according to the invention has a tube for introduction into the root area of trees, the cavity of which ver is bound. It also has a fertilizer, mineral and / or neutralisa candle tion substance through an opening at one end of the tube into the cavity can be used and removed from it and which is gradually degradable by water is. Air or water can penetrate into the ground through the pipe. This builds Water the candle gradually and transports the fertilizer, mineral and / or new Tralization substance in the soil. This will make the tree or other plants supplied with all vital components for a long time.

If the Candle is completely degraded, it is simply replaced with a new candle without that a new hole has to be drilled in the ground. The candle can can also be removed before complete dismantling, for example by ge aims to introduce a particularly large amount of air or water through the pipe to use a candle with other effects, for example an antidote to Control of fungal attack on the roots.  

The throughflow openings are preferably arranged in the peripheral wall of the tube net, causing an escape of air or water along the entire length of the pipe enables and clogging of the flow openings when inserting the tube in the floor can be avoided. for a uniform outflow Flow openings must be evenly distributed in the peripheral wall. Can also they have a size or shape geared to the respective soil type.

The other end of the tube can be blunt and closed. Before however, it is a spiked end, which means the pipe is knocked into the ground facilitated. Furthermore, the outside of the tube can be smooth and / or the one penetrate into the soil to have a relief structure. So the outside can be one have helical groove, which screw the tube into the ground supported.

Preferably, the inside of the tube is smooth, thereby inserting the candle easier and a pressure build-up by a special pressure lance (see below) is increased.

The tube can in particular have a diameter of 40 mm to 200 mm, each according to the extent of the desired infiltration. Its length can be between 750 mm and 3000 mm in order to determine the respective depth of the rooting pass.  

The tube can be made of steel, plastic, recyclate or fiber-reinforced synthetic resins be posed. It can be designed according to the type of material and wall thickness so that it is withstands a pressure load of 0.5 to 2 bar.

Tube and candle are preferably dimensioned or shaped so that a between them axial passage, e.g. B. over the entire circumference of the candle and in Axially extending gap or at least one axially extending groove formed is to facilitate the passage of air or water. Furthermore, the candle can be on a holding device can be fixed in the cavity of the tube, which the insertion and It is easier to remove the candle or to keep the gap or groove safely poses. The holding device can have a hook near the opening for insertion or Remove the candle. It can be fixed on the inside of the tube.

The opening can be used to prevent foreign objects from entering of the tube be closed by a removable cover. To fix the position the cover can be guided laterally on the tube by means of a collar. For an air The bottom of the lid can have ventilation holes. Furthermore, the Holding device may be arranged at the bottom of the lid, so that the candle with the Lid can be inserted or removed.  

The candle can be a pulling element for insertion or removal into the tube and / or have to fix in the pipe. The traction element can be connected to the candle from one or more which thread or connected threads or consist of a network connected to the candle. With this traction element, the candle can be attached to a holding device near the upper end Opening for insertion or removal must be fixed or hung. In addition the pulling element can stabilize the candle in the longitudinal or transverse direction ken. It can be made of steel wire, plastic (e.g. PVC, PE, PP), fibrous materials (e.g. glass fiber sern, rock wool fibers, plastic fibers) or from ropes of conventional type, also cor rosion-hardened, manufactured.

The candle is a solidified powder, solidified mixture, solidified paste or Granules of the substance or mixture of substances. The traction element is in the candle incorporated.

By defined dimensions, solidification and / or composition of the candle can their degradation time by water, rain water, ground water, backwater or leachate are essentially determined. This is preferably 0.5 to 2 years. A quick breakdown goes with greater revitalizing effects and a long one early degradation is associated with a lower revitalizing effect. Besides, can the candle must be chemically composed so that when it is broken down, based on Damage size, tree size, tree and plant species (deciduous, coniferous, shrubbery  etc.) Soil acidification, groundwater and backwater level and upcoming soil type (Bo dtyp) the greatest possible effect can be achieved.

After the candle material has been dismantled or consumed, the pulling element (thread, threads, Net) slightly pulled out of the tube and a new candle in the empty tube to be brought. Due to the continued refitting with new candles is one decades of service life and useful life guaranteed.

The dimensions of the candle are aligned with the dimensions of the tube. It preferably has diameters from 30 mm to 180 mm and lengths from 500 mm to 2500 mm.

In a further embodiment of the system is around the end of the tube with the Opening for inserting or removing the candle a collecting funnel for (low whipped) water can be placed. The collecting funnel can be with gravel and / or filter soil be mixed. Its upper diameter can be 500 mm to 1000 mm. Its lower diameter preferably corresponds to the outer diameter of the tube on which he is stuck. Its height is in particular 300 mm to 600 mm. His Wall thickness and its material are appropriately chosen so that the collection funnel can hold the filling and have sufficient stability the upcoming soil. It can be made of steel, plastic (e.g. PVC, PP, PE)  or from fiber reinforced (glass fiber reinforced or mineral fiber reinforced) art Resins are made.

After removing or completely dismantling the candle, a lance for compressed air can be used through the opening for inserting or removing the candle into the tube leads, the at least one seal near their air outlet opening has an air outlet through the openings above the tube prevented.

The invention is described below with reference to the accompanying drawings preferred embodiment explained in more detail. The drawings show:

Fig. 1 tube, cover, candle and funnel of the system assembled in longitudinal section;

Fig. 2 pipe of the same system in an enlarged longitudinal section;

Fig. 3 candle of the same system in an enlarged longitudinal section;

Figure 4 section of the tube with cover of the same system in an enlarged longitudinal section.

Fig. 5 tube with inserted compressed air lance of the same system in an enlarged longitudinal section;

Fig. 6 collecting funnel of the same system in an enlarged longitudinal section;

FIG. 7 shows several configurations according to FIG. 1 on a tree in a schematic perspective view; FIG.

Fig. 8 is one of the compilations of FIG. 7 in ver enlarged perspective view.

Referring to FIG. 1, the system comprises a tube 1, a this closing lid 2 a is arranged in the tube candle 3 and the upper end of the tube 1 the surrounding collecting hopper 4, containing a filling 5 and flush with the ground. 6

According to FIG. 2, the tube 1 has a circular cylindrical perimeter wall 7 (here circular) in the through-flow openings are distributed evenly 8. The tube 1 has an axial opening 9 at one (upper) end. In addition, an upward-facing hook 10 is fixed on the inner side of the peripheral wall 7 . The other (lower) end of the tube is closed by a cone, ie ausgebil det as tip end 11 .

Referring to FIG. 3, the candle 3 has a substantially circular-cylindrical body. Whose dimensions are chosen so that it can be easily inserted through the opening 9 and on the hook 10 before in completely into the tube 1 , where an annular gap 12 (see FIG. 1) remains between the peripheral wall 7 and the candle 3 . The candle consists of a solidified ver nutrient (fertilizer), mineral and / or neutralization mixture, in which a traction element consisting of a thread 13 or a network 14 (indicated by dash-dotted lines) is embedded. The thread 13 or the net 14 protrudes upwards from the candle 3 and serves to suspend and stabilize it.

The suspension can be done on the hook 10 of the tube 1 . According to FIG. 4, the cover 2 fixed with a collar 15 at the upper end of the tube 1 has a hook 17 fixed at the bottom of its bottom 16 for fixing thread 13 or net 14 . Both suspension options are shown in Fig. 1. The bottom 16 is also provided with axial ventilation holes 18 .

According to FIG. 5, the system includes a print media lance 19 that is insertable into the tube 1 through the opening 9. The lance 19 is hollow and has an inlet opening 20 at the top and an outlet opening 21 for a pressure medium at the bottom. Near the outlet opening 21 , it carries a disc 22 , on the circumference of which a sealing ring 23 is seated, as a result of which pressure medium emerging from the outlet opening 21 is prevented from flowing out of the openings of the tube 1 above the seal. When inserting the lance 19 can be slightly inclined to the axis of the tube 1 so that the disc 22 with the seal 23 can be moved past the hook 10 . However, the hook 10 can also be unscrewed or there can only be one hook 17 on the cover 2 . In addition, the sealing ring 23 can be designed so that it can avoid the hook 10 or the lance 19 can be used for pipes 1 of different diameters. For pipes of very different diameters, an exchangeable disk 22 or sealing ring 23 can also be provided.

Referring to FIG. 6 of the hopper 4 has a larger upper opening 24 for collecting rain water and a lower opening 25 which corresponds approximately to the outer diameter of the raw res. 1

Compilations of FIG. 1 are introduced in the vicinity of the tree trunk or the plants. According to Fig. 7 around a tree 26, eight such assemblies are accommodated, which extend into the root network 28. The pipe 1 is inserted by hammering in, pressing in or by digging in the necessary hole by hand or with a motor drilling machine. The penetration depth and the diameter of the pipe depend on the tree type, plant type, tree size, plant size and the root depth. In order to supply the most important root zones, the system is designed for depths from 750 mm to 3000 mm.

According to Fig. 8, the tube 1 is inserted so that it slightly above the adjacent ground or the upper edge of the protruding Harrier or 6 is at a level with pending soil.

The collecting funnel 4 is inserted after lifting the necessary trough with the taper down on the pipe 1 , so that its opening 25 abuts the pipe 1 and its opening 24 is at a level with the upcoming earth rich 6 .

After the pipe 1 and the collecting funnel 4 have been placed in the soil 6 , the latter is filled around the projecting section of the pipe 1 with a water-permeable, granularly graded filter layer 5 made of sand, gravel, plastic granules or soil, so that the collecting funnel ter 4th collected rainwater freed of dirt, can advance through the pipe 1 to the root regions 28 gene. In dry periods, the collecting funnel 4 is provided with the pipe 1 for the targeted irrigation of the root regions by the personnel.

The tree protection, fertilizer and neutralization candle 3 is inserted into the finished pipe and hung with the thread 13 (or net 14 ) on the hook 10 or 17 of pipe 1 or cover 2 . The lid 2 is clamped on the upper end of the tube 1 so that dirt and earth can not penetrate. The ventilation openings 18 , however, allow air to pass through.

The function of the system is that it is permanently built over the revitalization period or remains rich in the earth and only the candle 3 is replaced after its removal or consumption. The replacement time is typically between 0.5 and 2 years according to the dimensioning, solidification and composition of the candle material. After consumption of the candle 3 , the possibly remaining thread 13 or the network 14 is pulled out of the tube 1 and in the same a new candle 3 is inserted. Due to the repeated refitting with candles, a decades-long operating time is possible.

The supplied water or rainwater wets the tree protection, fertilizer and neutralization candle and enriches itself with the substances necessary for tree rescue or tree protection (e.g. magnesium, potassium, phosphate, etc.). When wetting occurs, the neutralization of acidic water, the enrichment of the water with slow-release fertilizers and other useful components. The nutrient water is fed through the flow openings 8 located in the tube 1 (according to FIG. 8 as elongated holes) directly into the tree and plant root area. The water flow through the annular gap 12 is indicated by arrows E in FIGS. 1 and 2.

The ventilation holes 18 in the lid 2 allow permanent ventilation of the root area also according to the arrows E.

When replacing the candle 3 , but also - if necessary - at shorter intervals, pressure irrigation with nutrient water or aeration of the soil with compressed air can take place through the pipe 1 . For this purpose, as shown in FIG. 5, the pressure medium lance 19, which is operated with Nährwasser or with compressed air brought to the desired location in the tube 1 with the outlet opening 21. The sealing ring 23 guarantees that the nutrient water or compressed air can only escape into the root area below.

Depending on the size of the tree, type of tree, damage to the tree and according to the soil conditions, up to 15 compositions 27 are required per tree, with a pressure lance 19 can of course be used for all systems. The area-wide use of the systems depends on the type of planting.

Claims (36)

1. System for revitalizing and protecting trees or other plants with

• 1. a pipe ( 1 ) for introduction into the root area of trees or other plants, the cavity of which is connected to the environment via through-flow openings ( 8 ),
• 2. a candle ( 3 ) from a fertilizer, mineral and / or neutralizing substance, which is a solidified powder, solidified mixture, solidified paste or granulate, which through an opening ( 9 ) at one end of the tube ( 1 ) in the cavity of which can be inserted or removed and which is gradually degradable by water, and
• 3. in which a pulling element (thread ( 13 ), net ( 14 )) for introducing, removing and / or fixing is incorporated into the candle ( 3 ).

2. System according to claim 1, wherein the flow openings ( 8 ) in an order to the peripheral wall ( 7 ) of the tube are arranged. 3. System according to claim 2, wherein the flow openings ( 8 ) are evenly distributed in the peripheral wall ( 7 ). 4. System according to any one of claims 1 to 3, wherein the other end ( 11 ) of the raw res ( 1 ) is closed. 5. System according to one of claims 1 to 4, wherein the other end of the tube ( 1 ) is a tip end ( 11 ). 6. System according to any one of claims 1 to 5, wherein the outside of the tube ( 1 ) is smooth and / or has a structure facilitating penetration into the ground. 7. System according to any one of claims 1 to 6, wherein the inside of the tube ( 1 ) is smooth. 8. System according to any one of claims 1 to 7, wherein the tube ( 1 ) has a diameter of 40 mm to 200 mm. 9. System according to one of claims 1 to 8, wherein the tube ( 1 ) has a length of 750 mm to 3000 mm. 10. System according to any one of claims 1 to 9, wherein the tube ( 1 ) consists of steel, plastic, recyclate and / or fiber-reinforced synthetic resins. 11. The system of claim 10, wherein the tube ( 1 ) consists of PVC, PE, PP, glass fiber reinforced synthetic resins and / or mineral fiber reinforced synthetic resins. 12. System according to any one of claims 1 to 11, wherein the tube ( 1 ) withstands a pressure load of 0.5 to 2 bar. 13. System according to one of claims 1 to 12, in which an axial passage ( 12 ) is arranged between the tube ( 1 ) and candle ( 3 ). 14. The system of claim 13, wherein the passage is a circumferential and axially extending gap ( 12 ) or at least one axially extending groove. 15. System according to one of claims 1 to 14, wherein the candle ( 3 ) on a holding device ( 10 , 17 ) in the cavity of the tube ( 1 ) can be fixed. 16. The system of claim 15, wherein the holding device is a hook ( 10 , 17 ) near the opening ( 9 ) for inserting or removing the candle ( 3 ). 17. The system of claim 15 or 16, wherein the holding device ( 10 ) on the inside of the tube ( 1 ) is attached. 18. System according to any one of claims 1 to 17, wherein the opening ( 9 ) of the tube ( 1 ) is closed by a removable cover ( 2 ). 19. System according to claim 18, wherein the cover ( 2 ) by means of a collar ( 15 ) since Lich on the tube ( 1 ) is guided. 20. The system of claim 18 or 19, wherein the bottom ( 16 ) of the lid ( 2 ) Be ventilation holes ( 18 ). 21. System according to one of claims 18 to 20, wherein the holding device ( 17 ) on the inside of the bottom ( 16 ) of the lid ( 2 ) is fixed. 22. System according to any one of claims 1 to 21, wherein the tension element consists of one or more associated with the plug (3) threads (13) or composites with the plug (3) NEN network (14). 23. The system of claim 22, wherein the tension member from at least one rope or corrosion-strengthened rope made of steel wire, art fabric, and / or fibrous materials is produced. 24. System according to claim 23, wherein the traction element made of PVC, PE, PP, Glass fibers, rock wool fibers and / or plastic fibers is produced.   25. System according to any one of claims 1 to 24, wherein the candle ( 3 ) has a degradation time determined by defined dimensions, solidifications and / or composition. 26. System according to one of claims 1 to 25, wherein the candle ( 3 ) has a degradation time of 0.5 to 2 years. 27. System according to one of claims 1 to 26, wherein the candle ( 3 ) has a diameter of 30 mm to 180 mm. 28. System according to one of claims 1 to 27, wherein the candle ( 3 ) has a length of 500 to 2500 mm. 29. System according to one of claims 1 to 28, in which a collecting funnel ( 4 ) for water can be placed around the upper region of the tube ( 1 ). 30. System according to claim 29, wherein the collecting funnel ( 4 ) is filled with a filter material ( 5 ). 31. The system of claim 29 or 30, wherein the funnel ( 4 ) has an upper diameter of 500 to 1000 mm. 32. System according to one of claims 29 to 31, wherein the lower diameter of the collecting funnel ( 4 ) is adapted to the outer diameter of the tube ( 1 ). 33. System according to one of claims 29 to 32, wherein the height of the collecting funnel ( 4 ) is 300 mm to 600 mm. 34. System according to one of claims 29 to 33, wherein the collecting funnel ( 4 ) consists of steel, plastic, recyclate and / or of fiber-reinforced synthetic resins. 35. System according to claim 34, wherein the collecting funnel ( 4 ) consists of PVC, PE, PP, glass fiber reinforced synthetic resins and / or mineral fiber reinforced synthetic resins. 36. System according to one of claims 1 to 35, which comprises a lance ( 19 ) for a pressure medium with at least one seal (disc ( 22 ), sealing ring ( 23 )) near an outlet opening ( 21 ) for a pressure medium, which after removal or complete removal of the candle ( 3 ) can be inserted into the opening ( 9 ) of the tube ( 1 ) and can be positioned at different heights.