Want to feed your plants while you are away for the weekend? Well I have carried out a school project where each child has a grow bag growing vegetables and flowers. For weekends to save parents having to turn out to water, I designed an irrigation system using 2 litre coke bottles. First, I cleaned the bottles, took the lid off and stuffed the bottle with absorbent materials, such as old socks, towels and old sweaters. This absorbs the water and enables the flow to be slow and ensures water gets to the roots.
Then I pierced the bottle at the base, using a quick unpick or a pin. Be careful not to prick your finger! About four holes will do. Make a hole in the compost or planter so that the holes are beneath the soil level and pack around the base ensuring the bottle is standing secure. Take the lid off the bottle and fill with water. The key is to replace the lid which will cause a vacuum. Hey presto!
The bottle will drip feed your grow bag or planter whilst you are away. If you are feeding your tomatoes you could always add feed to the bottle and it will feed your plants too! Happy gardening.
Source: After a visit to The Edan Project UK
By beeky from Hertforshire UK
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