Co-Wastl

From Wastl to Mobile Growing Units
1 Nov 2011 - 31 Oct 2013
The case study Co-Wastl intend to bridge artistic, and technical experiences acquired with nadine's platform Wastl during the last two years with mexican traditional craftsmen technics and knowledges.

The collaboration will gather nadine's team, a community of women pottery makers working with Barro Rojo (Red Clay), and Xaquixe glass studio. This group of people and skills will realize a mobile growing unit installation presented at the Ethnobotanical Garden of Oaxaca.
This installation will be a layered mix of technics, involving traditional potteries, blown glass, a two thousand years old chinese watering system, and an automatic solar powered water refill system using opensource technologies (Arduino).

Travel Agency (EITC Brussels Residency Program)
1 Dec 2012 - 28 Feb 2013
From 2011 until 2013 nadine had a residency venue in Schaarbeek, Brussels, called Shop. From end 2011 until the beginning of 2013 nadine organised a residency program in the framework of their EITC case study Co-Wastl. The program invited artists to research crafts and cultural exchange using the commercial set-up of a shop in a cultural diverse area of Brussels.

If perspective is a manifestation of human control, of mastering the unknown and of limiting the immesurable, than how shall we call the introduction of the unknown into the familiar, of the infinite into the limited?
We could call it "travel", for example. Because travel is not about geography and distance, it's about desire, about a loss and about movement.

In the Shop at Galaitstraat Effi&Amir opened a Travel Agency. It's a place where travel can begin, as a Travel Agency is simply a set-up that makes travel a possibility. The Travel Agency tried to enable travel without physical displacement.
We set forth with some questions:
- What's the minimal space needed for a travel?
- What is the difference between here and there?
- Can "elsewhere" be rediscover in the "here"?
- Our destination is not yet defined.

Hanged Garden is running
24 Nov 2012
Hanged Garden is running
Hanged Garden is running
Filling the clay pots
23 Nov 2012
Filling the clay pots
Filling the clay pots
Water, DIY Valves, and Arduino
23 Nov 2012
Water, DIY Valves, and Arduino
Water, DIY Valves, and Arduino
Water, DIY Valves, and Arduino
Water, DIY Valves, and Arduino
Water, DIY Valves, and Arduino
Hanged Garden set up
22 Nov 2012
Hanged Garden set up
Hanged Garden set up
Hanged Garden set up
Hanged Garden set up
Preparing the nets
21 Nov 2012
Preparing the nets
Preparing the nets
Arduino - Moisture sensors - Servos
20 Nov 2012
Preparing the water tank tubing
19 Nov 2012
Preparing the water tank tubing
Preparing the water tank tubing
Preparing the water tank tubing
Preparing the water tank tubing
Baking the Barro Rojo pots
16 Nov 2012
Baking the Barro Rojo pots
Baking the Barro Rojo pots
Baking the Barro Rojo pots
Baking the Barro Rojo pots
Baking the Barro Rojo pots
Baking the Barro Rojo pots
Baking the Barro Rojo pots
Baking the Barro Rojo pots
Baking the Barro Rojo pots
Baking the Barro Rojo pots
Baking the Barro Rojo pots
Baking the Barro Rojo pots
Making holes in the glass water tank -part 1-
15 Nov 2012
Making holes in the glass water tank -part 1-
Making holes in the glass water tank -part 1-
Making holes in the glass water tank -part 2-
15 Nov 2012
Making holes in the glass water tank -part 2-
Making holes in the glass water tank -part 2-
Making holes in the glass water tank -part 2-
Making holes in the glass water tank -part 2-
Making holes in the glass water tank -part 2-
Blowing the glass water tanks
13 Nov 2012
Blowing the glass water tanks
Blowing the glass water tanks
Blowing the glass water tanks
Blowing the glass water tanks
Blowing the glass water tanks
Blowing the glass water tanks
Barro Rojo
8 Nov 2012 - 9 Nov 2012
Barro Rojo
Barro Rojo
Barro Rojo
Barro Rojo
Sketches research
25 Oct 2012
Buried clay pot irrigation
15 Oct 2012
While researching about alternative watering techniques, especially for dry climates, we found this great article by Dr. Altaf Ali Siyal : PITCHER IRRIGATION : A WATER SAVING TECHNIQUE

Buried clay pot irrigation (pitcher irrigation) has been used to grow a wide range of annual and perennial plants in China, Pakistan, India, Iran, Mexico, and Brazil. In fact, it is even recorded in Chinese texts dating back more than 2000 years. Pitcher irrigation: a water saving technique

In its simplest form, pitcher irrigation entails burying an unglazed, porous clay pot next to a seedling. Water poured into pot seeps slowly into the soil, feeding the seedling's roots with a steady supply of moisture.

Pitcher irrigation uses water more efficiently than other systems since it delivers water directly to plant root zones, instead of to broader areas of the field.

When a pot, filled with water and covered by a lid (wooden or clay), is buried in the soil, the water oozes out of the clay pot due to hydraulic head difference (moisture content difference) between the pot surface and the surrounding soil until it is in equilibrium with the surrounding area.

The rate of seepage of water from pitcher will depend on the type of plant and soil and climatic conditions around the pot. The movement of water is as a result of the uptake by the crops and it continues as long as the plants take it up and it evaporates.

When the surrounding area become saturated with water and the pot is emptied, water will tend to move back to fill up the pot. The system is therefore self-regulating.

The surrounding soil is almost always at field capacity (approximately 80 per cent of soil pores filled with water) as long as the pot is not allowed to dry up completely due to evapo-transpiration.

With this irrigation, deep percolation losses are negligible since water is released from smaller areas, and the rate of water loss can be controlled site to site by the amount of water put in each pitcher.

Water requirements in a pitcher irrigated field can be even less than those of a drip irrigated system (of the same scale) due to the very low permeability of the pitchers, as well as reduced evaporation losses.

The number of pitchers needed per hectare varies with the type of crop. A creeping crop such as bitter gourd requires 2,000-2500 pitchers per hectare. Upright crops, or crops producing a canopy around the pot require more pots, up to 4,000-5000 pots per hectare. Pitchers used for this purpose should have good seepage ability (minimum 15 per cent in 24 hours) in an open air. It was found that six to twelve liter pots are sufficient to grow most vegetable crops.

Ideal for sandy to loamy soil with good porosity (40-60 per cent) and for small farmers [...]. Pitcher irrigation is used for small-scale irrigation where:

* water is either scarce or very expensive.

* fields are difficult to level such as under uneven terrain.

* in remote areas where vegetables are expensive and hard to come by.

One of the advantages of using pitchers for irrigation is the result of their water saving capacity. To compare pitcher irrigation to flood or sprinkler irrigation one must correct for the fact that the scales are radically different. Pitcher irrigation is used for small-scale, while flood and sprinkler systems are for more extensive irrigation.

Taking this into account, pitcher irrigation is still more efficient. The 'pitcher' system saves water up to 98 per cent as compared to flood basin irrigation system.

A farmer can cultivate about 5 acres through pitcher irrigation on hand-pump, pond, or any simple source of water. This method is also efficient in terms of crop production per unit application of water.

The corn grown in Mexico on pitcher irrigation showed that the crop production was much higher than that with conventional irrigation methods. Pitcher irrigation is useful for vegetables, gardening, landscaping, and growing plants in containers - on patios or porches, where the clay pot is buried in the planter box. It is also excellent for rooting cuttings.

At least four plants of most vegetable crops could be grown around one pot. Limiting water delivery to the area where the crop is grown dramatically reduces weed growth - a major constraint on production in many areas of the world. The pots also may be refilled every few days instead of requiring constant attention.

Method Productivity in kg per plant of corn Per cubic meter of water

closed furrow (basin)--------------- 0.7
sprinkler------------------------------0.9
drip-----------------------------------1.4
porous capsule (pressure)---------1.9
deep pipe--------------------------- 2.4
porous capsule (no pressure)------2.5
buried clay pot----------------------2.5 to 6
wick >------------------------------ 4.0

Espace Papillon (EITC Brussels Residency Program)
1 Mar 2012 - 30 Apr 2012
From 2011 until 2013 nadine had a residency venue in Schaarbeek, Brussels, called Shop. From end 2011 until the beginning of 2013 nadine organised a residency program in the framework of their EITC case study Co-Wastl. The program invited artists to research crafts and cultural exchange using the commercial set-up of a shop in a cultural diverse area of Brussels.

Artist Bram Borloo developed during his shop residency a temporary artistic intervention in Schaarbeek with a creative program for children and adults in the neighbourhood. The vitrine of the shop acted as the border between in- and outside. The open studio became public space where Borloo wanted to engage and exchange his cultural practice with the highly populated 'quarter'. He invited people for presentations, music concerts and workshops.

Might Shop (EITC Brussels residency program)
1 Nov 2011 - 31 Jan 2012
From 2011 until 2013 nadine had a residency venue in Schaarbeek, Brussels, called Shop. From end 2011 until the beginning of 2013 nadine organised a residency program in the framework of their EITC case study Co-Wastl. The program invited artists to research crafts and cultural exchange using the commercial set-up of a shop in a cultural diverse area of Brussels.

Might shop was a residency of the designers collective Überknackig that questioned the role of commercial and non-commercial spaces. The shop space in Schaarbeek served as a meeting space and room for exchange. Local artisan were invited to exchange their homemade craftwork with other people. Überknackig used the commercial set-up of a shop to trigger cultural exchange.

Might Shop (EITC Brussels residency program)
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