An integrated view on water, the biosphere and environmental flows is required to devise sustainable agricultural and economic systems that will allow us to decelerate climate change, protect us from extremes and to adapt to the unavoidable at the same time. According to the United States Geological Survey (USGS), water used for irrigation accounts for nearly 65 percent of the world’s freshwater withdrawals excluding thermoelectric power (1) . Stowe’s lawsuit was a big deal, on many levels. Source, The world’s irrigated area expanded from almost 250m acres in 1950 to roughly 700m acres in 2000 (nearly tripling) but has increased just 10% from 2000 to 2010. Source, Since 1950, irrigation has represented about 65 percent of total withdrawals, excluding those for thermoelectric power. However, the U.S. Department of Agriculture is building awareness about the fragility of this essential resource. Water plays a pivotal role in how the world mitigates and adapts to the effects of climate change. This means that crop and livestock production absorbed the bulk of the uses of water… While the industry is often criticized for using too much water on their fields, no one is complaining about having plentiful amounts of their favorite food. Source, In 2013, there were 229,237 farms in the United States with 55.3 million irrigated acres. The .gov means it’s official. If you have an interesting farm water fact, please share it in the comments below. (Historically, agriculture has been considered a “nonpoint” source of pollution that is exempt from the Clean Water Act.) This means more than 99% of the Earth’s water is unusable by most living organisms! Put another way,it takes 1 - 3 tonnes of water to grown 1kg of cereal. Agriculture is the largest consumer of freshwater; Demographics and consumption are the main pressure on water; About 80% of global virtual water flows relate to agricultural products trade; Irrigated agriculture represents 20% of cultivated land and accounts for 40% of global food production Flow Meters and Environmental Sensors for Precision Fluid Measurement. Source, “More than 90 percent of the groundwater pumped from the Ogallala, the nation’s largest aquifer underlying some 250,000 square miles stretching from Texas to South Dakota, is used for agricultural irrigation. Flow Meters and Environmental Sensors for Precision Fluid Measurement. Farms need sufficient water to grow crops and raise livestock. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar. Currently, about 3600 km3of freshwater are withdrawn for human use. Food and agriculture are the largest consumers of water, requiring one hundred times more than we use for personal needs. In 2000, almost 34 percent of the water withdrawn from surface water and groundwater was used in irrigated agriculture. Today, that number is more relevant than ever, as 18.8% of the lower 48 U.S. states are currently experiencing drought conditions . Agriculture is by far the biggest user of water, accounting for almost 70 percent of all withdrawals, and up to 95 percent in developing countries. More than two-thirds of the groundwater consumed around the world irrigates agriculture, while the rest supplies drinking water to cities. Agriculture is one of the largest users of the Nation’s surface water and groundwater, with irrigation being the greatest use. Water is one of the most important natural resources flowing from forests. Agriculture is the largest consumer of the world’s freshwater resources, and more than one-quarter of the energy used globally is expended on food production and supply. Representing about one-third of all U.S. irrigated agriculture, it creates about $20 billion annually in food and fiber.” Agricultural operations can also negatively affect water quality. Irrigation accounts for a majority of the freshwater used worldwide and the expected doubling of food requirements by 2050 will result in significant increases in freshwater withdrawals. To make matters even worse, over 68% of freshwater is frozen in icecaps and glaciers, over 31% is found in ground water, and only 0.3% is found in surface water1. Withdrawals have decreased since 1980 and have stabilized at between 134,000 and 137,000 Mgal/d between 1985 and 2000, and 128,000 in 2005.” Food and Agriculture Organization of the United Nations. Source “In India, approximately one-fifth of the nation’s total electricity consumption goes toward pumping groundwater for irrigation.” Source “While only 20% of the world’s farmland is irrigated, it … Source, India uses 90% of its freshwater withdrawals for agriculture while China uses 65% of its freshwater withdrawals for agriculture. Rough average of 150 billion gallons CH4globally per d… Source, “While only 20% of the world’s farmland is irrigated, it produces 40% of our food supply.” 80% of Washington water withdrawals are for agriculture (1.8 million irrigated acres). UN-Water, through its web site (2011c), summarized how water is used worldwide: 70% of the world’s freshwater is used in agriculture, 22% by industry, and; 8% for domestic use. Source, Overall, 42% of California agriculture uses drip irrigation, 43% flood irrigation and 15% sprinklers. Source, “In England where rain is abundant year round, water used for agriculture accounts for less than 1% of human usage.” Of all the water on Earth, over 97% is saltwater, leaving only 2.5% as freshwater. It's World Water Day: 5 Shocking Facts About Water Scarcity That Will Make You Cry a River. Source, “Globally, roughly 15-35% of irrigation withdrawals are estimated to be unsustainable.” The history states that the fruit … According to the International Water Management Institute , agriculture, which accounts for about 70% of global water withdrawals, is constantly competing with domestic, industrial and environmental uses for a scarce water supply. 2015 State Agriculture Overview Mailing Address : IDALS, Wallace State Office Building, 502 E. 9th Street, Des Moines, IA 50319: PH: 515-281-5321 Sitemap While agriculture is the largest source of nonpoint pollution in Iowa, urban areas can also work to improve our water. Farm irrigation is one of the largest consumers of freshwater in the United States, dwarfing household use. If the average sized lawn in the United States is watered for 20 minutes every day for 7 days, it’s like running the shower constantly for 4 days or taking more than 800 showers. Source, More than 90% of pasture and cropland in the 256,000-square-mile Colorado River Basin requires irrigation. Water. Within ... and agricultural irrigation, navigation, and flood control. Agriculture, in fact, represents the largest user of water worldwide, nearly 70 percent according to the United Nation's 2018 Water Development Report. Can you guess the first fruit cultivated in the world? Farms discharge large quantities of agrochemicals, organic matter, drug residues, sediments and saline drainage into water bodies. Without water people do not have a means of watering their crops and, therefore, to provide food for the fast growing population. It was a fig. By 2050, the global water demand of agriculture is estimated to increase by a further 19% due to irrigational needs. • Of the 1200 species listed as threatened or endangered, 50% depend on rivers and streams. Source, Using today’s irrigation methods, 2,000 more cubic kilometers of water will be needed per year in 2030 to keep everyone fed. Source, Irrigated agriculture currently consumes more than 70% of the water supply within the Colorado River basin. Agricultural water is used for irrigation, pesticide External and fertilizer applications External, crop cooling (for example, light irrigation), and frost control. Fresh water is so abundant in the United States that people may sometimes take its availability for granted. Understanding water uses is a critical step to identifying potential imbalances and trends in supply and demand.
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