The hydroponic technique allows you food independence, By this I mean that as you develop more cropsin your house you will stop buying vegetables of unknown origin, besides generating extra income with the sale of your surplus.Sell your surplus and eat healthy foodlearn the hydroponic technique and generate income from your home.You will learn about irrigation in your hydroponic system, seeds, plants, pH, conductivity, tube inclination, nutrients, nutritive solution and more. It also contains examples of formulaseasily accessible and tested by the author for the development ofyour plants like lettuce, tomato, pumpkin, kale cabbage among others. Build your hydroponic system at home and consume your ownfood, know the development of your food and have fun learning, the book contains examples of calculations for you to developyour own nutritional solution and if you wish you can create a new formulato improve the development of vegetable