The global demand for water for agricultural use is continuously increasing worldwide as a result of population growth and food supply, approximately 1% per year since the 1980s. Irrigated agriculture represents 20% o...The global demand for water for agricultural use is continuously increasing worldwide as a result of population growth and food supply, approximately 1% per year since the 1980s. Irrigated agriculture represents 20% of the total cultivated area and contributes 40% of the total food production worldwide. Competition for water resources is particularly much needed in arid and semi-arid regions, where irrigation is essential for successful agriculture. This leads to the need to treat larger amounts of wastewater, in order to compensate for the lack of rainwater to irrigate crops and thus favor the environment and the economic development of farmers. In Mexico there are two highly consumed food products, they are: corn and beans, a fundamental part of the Mexican people diet. It can be said that corn is basic in the diet of Mexicans, it is consumed mainly as “tortilla” and in “tamales”, also in some stews;there is a variety called fodder corn to feed cattle. Beans are also an essential part of the Mexican diet for its nutritional value and pleasant flavor. To solve the challenges of the future in the supply of water for agriculture, it is necessary to reconsider that not all farmers can afford irrigation systems and depend on rainwater, so the use of treated wastewater in treatment plants can be useful.展开更多
文摘The global demand for water for agricultural use is continuously increasing worldwide as a result of population growth and food supply, approximately 1% per year since the 1980s. Irrigated agriculture represents 20% of the total cultivated area and contributes 40% of the total food production worldwide. Competition for water resources is particularly much needed in arid and semi-arid regions, where irrigation is essential for successful agriculture. This leads to the need to treat larger amounts of wastewater, in order to compensate for the lack of rainwater to irrigate crops and thus favor the environment and the economic development of farmers. In Mexico there are two highly consumed food products, they are: corn and beans, a fundamental part of the Mexican people diet. It can be said that corn is basic in the diet of Mexicans, it is consumed mainly as “tortilla” and in “tamales”, also in some stews;there is a variety called fodder corn to feed cattle. Beans are also an essential part of the Mexican diet for its nutritional value and pleasant flavor. To solve the challenges of the future in the supply of water for agriculture, it is necessary to reconsider that not all farmers can afford irrigation systems and depend on rainwater, so the use of treated wastewater in treatment plants can be useful.
