Grey Water System:
A grey water system filters out undesirable particles in used water so that it may be reused. Israel is the world’s leader in water recycling, redirecting 80 percent of household water to irrigate agricultural fields, and using nearly 50 percent recycled water for irrigation.
(http://www.reuters.com/article/2010/11/14/us-climate-israel-idUSTRE6AD1C...). See http://www.jpost.com/Magazine/Features/Wastewater-wonders for how a grey water plant works.
Materials: 5-gallon bucket, irrigation pipe (or any plastic tube), small piece of mesh/ fine netting
MAKE a hole at the bottom of a five gallon bucket just the right size for your irrigation pipe and line it with the mesh.
FILL the bottom half of the bucket with straw and the top half with rocks, to filter out large and small particles (the mesh filters out the smallest).
Get your hands really dirty and wash them over the bucket to test it out.
When we use drip irrigation, we are able to give our plants water in small doses, so that they are able to absorb water more efficiently.
Materials: plastic soda bottles with caps, small drill or hammer/nail, shovel, sharp knife
MAKE a hole or holes in the bottle cap. Let the campers decide how big they want the hole and how many holes to make, based on what they think is best for the plants.
CUT off the bottom of the water bottle so that it can be easily refilled.
POUR water into the bottle to see how slowly it drips through the holes.
DIG a small hole next to the plant, being careful not to disturb roots.
PLACE the bottle in the hole and fill it with water.
One way that farmers can reduce their need for water is to make the environment cooler for their plants by covering them with a shade net.
Materials: Shade net, wooden stakes, rope
CHOOSE an area where plants are suffering from insufficient moisture.
POUND four wooden stakes into the ground at the corners of this area.
SPREAD out the shade net over the area and tie each corner to a stake.
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