DK200300143U3 - Cultivation sack - Google Patents

Description

DK 2003 00143 U3

continued in DK 2003 00143 U3

The present invention relates to a special cultivation vessel in the form of a cultivation sack, preferably for use with a newly developed inactive cultivation medium for horticultural use. This growing medium is particularly suitable for the production of vegetables and potted plants in greenhouses. Different mixtures provide different cultivation properties, so that the individual gardener can design his own cultivation medium, which is adapted to the current need.

With the cultivation sack according to the invention, it is possible to use the newly developed inactive cultivation medium in the form of a coherent concept which is ready for use and which, by appropriate choice of the material from which the sack is made, gives appreciable advantages to the horticulture.

For nurseries, the use of cultivation bags rather than traditional containers (pots, trays, cultivation gutters, etc.) means that difficult work with filling and disinfection of plant containers is avoided, and the nursery will normally be able to continue using the same cultivation gutters and irrigation system as before. been used.

A number of conditions regarding the strength, durability, quality and specific physical properties of the material from which the sacks are made must be met in order to achieve the desired benefits. Thus, according to the invention, the culture bag is intended to be able to keep the inert culture medium enclosed together with water and at the same time be dry on the outer surface.

To achieve this effect, the culture bag is preferably made of a certain type of polypropylene with infinitely long fibers, which has a very special ability to retain moisture. This material is sold under the name Lutrasil® and is a strong non-woven fabric which has a very durable structure due to the weaves. Lutrasil® allows water to be absorbed and subsequently drained, and the air exchange in the bag itself will be very high and make overwatering problems unknown. Lutrasil® is already well known in connection with plant breeding for crop protection, and the material is also widely used in other business areas, for example in the automotive industry. However, the use of Lutrasil® in the manufacture of culture bags which may contain a culture medium is unknown.

The newly developed inactive culture medium, which is intended to be used as content in the culture bag according to the invention, is in the form of a mixture of lava and clay products in matched mutual relations, and it consists of one or more constituents selected from pumice, perlite, clay minerals, light clinker and lava. , as it may also contain zeolites and / or vermiculite as well as any additional additives.

10

This culture medium, which is discussed in more detail and described in patent application No. PA 2003 YYYYY filed at the same time as the present application, preferably consists of from 0 to 90%, preferably from 0 to 50% pumice; from 0 to 90%, preferably from 0 to 50% Perlite; from 0 to 90%, preferably from 0 to 50% lightweight clinker; From 0 to 1% lava and from 0 to 10% clay 25 and optionally from 1 to 10% zeolites and / or from 1 to 50% vermiculite and further additives, preferably in a total amount of up to 1%.

The physical design (size and shape) of the culture bag according to the invention, which is to contain said culture medium, may of course vary according to the individual need, but for many practical purposes a volume of about 8-10 liters is appropriate, without the invention however, is limited to this.

3 DK 2003 00143 U3

As an example of a cultivation sack according to the invention, mention may be made of a design as shown in the accompanying figure. This bag has the following dimensions: Height: 16 cm; 5 Length: 33 - 40 cm;

Width: 20 cm, which gives the above appropriate volume of 8 - 10 liters. The bag is made of Lutrasil®, which due to the special weaving as mentioned has a very durable structure that allows suction and subsequent drainage of water.

The cultivation sack shown is sewn together by hand, but it is of course also possible to manufacture the sack by welding. Furthermore, the sack can be made 'Reversible', so that it can be grown on several sides of the sack over the years. The sack according to the invention is distinguished by the fact that it breathes and that the air exchange is continuous throughout the growing period of the plant.

As already mentioned, the cultivation bag according to the invention must meet a number of requirements in terms of strength, durability and quality, just as the production on a larger scale should be automated in order to keep the production costs as low as possible and ensure uniformity in production. When choosing design, materials and materials must thus be taken into account the possibility of initiating a series production, which can lead to a product that satisfies all requirements.

By using the culture bag according to the invention in a finished concept together with the inactive culture medium according to the patent application no. PA 2003 YYYYY filed at the same time as the present application, at least the following clear advantages are obtained compared to known solutions: 4 DK 2003 00143 U3 - the handling of the medium in the closed culture bag according to the invention becomes significantly lighter and more convenient for both producer and consumer; 5 - the cultivation problems which may arise in known cultivation media, such as Grodan and sphagnum, due to wet summers are avoided; the active media will not coincide in the same way as known media when grown for long periods over a year; this relationship may be relevant 10 for nurseries and for companies offering indoor planting, and may also be relevant in connection with hobby cultivation; the possibilities of composing an individually optimal culture medium with a view to capillary action, ion exchange, buffering action, oxygen content, etc.

15 is larger with the new active medium and the culture bag according to the production than with traditional use of sphagnum and Grodan enclosed in a plastic bag.

5 5DK 2003 00143 U3

USE. MODEL REQUIREMENTS

Cultivation bag, preferably for use with an inert horticultural culture medium, which is new in that it is made of a material which can contain the inert medium together with water and at the same time be dry on the outer surface and which allows suction and subsequent drainage of water.

A growing sack according to claim 1, which is new in that the sack breathes and that the air exchange is continuous throughout the growing period of the plant.

A cultivation sack according to claim 1 or 2, which is new in that it is made of a non-woven fabric of polypropylene.

Culture bag according to claim 3, which is new in that the polypropylene nonwoven fabric consists of the material Lutrasil®.

Cultivation sack according to any one of claims 1-4, which is new in that it has a design as shown in the figure and with the following dimensions: Height: 16 cm; Length: 33 - 40 cm;

Width: 20 cm.

which gives a volume of 8 - 10 liters.

Use of a polypropylene nonwoven fabric for the manufacture of a culture bag according to any one of claims 1-5.

Use according to claim 6, which is new in that the polypropylene nonwoven fabric consists of the material Lutrasil®.

5 DK 2003 00143 U3