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Due to the arid climate, 70% of Arizona's water consumption is used for agriculture with some crops in using about 4.9 million acre-feet (6.0 × 10 9 cubic metres), but with the help of today's technology, farmers are able to use only what they need and water that isn't used goes back into rivers or storage.
About half of irrigation water comes from groundwater in the Southwest, and this is also being used much faster than it is being replenished. [10] If climate change raises the temperatures in the Southwest, then this will increase the amount of water that evaporates from the soil, plants, and bodies of water.
Lithic mulch was another technique of agriculture in the Southwest. Rocks or cobbles were used as a mulch around growing plants and in fields. The rocks acted as a mulch to preserve moisture, decrease soil erosion, control weeds, and increase nighttime temperatures through radiation and retention of heat by the rocks. [27]
This slows water movement, which reduces the amount of soil erosion. Additionally, conservation tillage has been found to benefit predatory arthropods that can enhance pest control. [9] Conservation tillage also benefits farmers by reducing fuel consumption and soil compaction. By reducing the number of times the farmer travels over the field ...
The 300-square-foot Hayden Flour mill, founded by Zimmerman in 2010, is bringing back some of Arizona's agricultural roots and a part of America's food history he worried had disappeared.
plant conservation and landscape restoration. [6] [7] [8] It includes the cultivation of all plants including, but not limited to: ornamental trees/shrubs/plants, fruits, vegetables, flowers, turf, nuts, seeds, herbs and other medicinal/edible plants.
Intercropping involves cultivating plants possessing complementary properties that can help each other grow to optimize the use of resources including water and nutrients.
However, the specific plants used in xeriscaping vary based on climate as this strategy can be used in xeric, mesic, and hydric environments. Xeriscaping is different from natural landscaping, because the emphasis in xeriscaping is on selection of plants for water conservation, not necessarily selecting native plants.
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