With  this technique , which  releases water at the intensity you want, you  can  irrigate your plants of cucumbers, tomatoes, zucchini, watermelons and melons  only by unscrewing the cap, committing a minimum of effort and above all little time. If you want  an even more practical solution , you can think about installing  a drip sprinkler . The system is the same as the water bowl with a particularity, however: to the  perforated pipes to exhale  the water and positioned above the furrow to wet the soil, you can connect  an automatic timer  that allows you to manage the water flow in total autonomy even from a distance.