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Many gardeners and vegetable growers would think that how much to irrigate their vegetable gardens and farms that? How often do watering? How and when to do vegetable irrigation?

Despite the huge volume of water in the world, about 97% of the water is in the oceans, seas and lakes. The percentage of fresh water is a small number that includes most current and underground water and rainfall. So now the world's total freshwater is estimated to be about 3%. The limitation of available global freshwater resources on the one hand, and increasing population and the need for food on the other, necessitates the optimal use of available water resources.