Water is a resource plants cannot do without, and maintaining the right level of moisture in your soil – not too little and not too much – is critical to gardening success. That's why pioneering horticulturist Robert Kourik holds irrigation to be one of the gardener's most powerful tools. Join him for details about the techniques he has found most precise and efficient, methods of irrigation that can reduce your water use by a half or more while also boosting your harvest of fruits and flowers.