{"id":1603,"date":"2009-06-06T10:58:00","date_gmt":"2009-06-06T18:58:00","guid":{"rendered":"http:\/\/blogs.kqed.org\/climatewatch\/?p=1603"},"modified":"2009-06-06T10:58:00","modified_gmt":"2009-06-06T18:58:00","slug":"ag-and-water-making-do-with-less","status":"publish","type":"post","link":"https:\/\/ww2.kqed.org\/climatewatch\/2009\/06\/06\/ag-and-water-making-do-with-less\/","title":{"rendered":"Ag and Water: Making Do with Less"},"content":{"rendered":"

This story was produced in collaboration with NPR, with help from producer Cindy Carpien. Sasha’s radio story <\/a>aired on The California Report on June 8, and will\u00a0also air\u00a0later this month as part of NPR’s series on water and the West.<\/em><\/p>\n

<\/em><\/p>\n

\"Juicy
Juicy apples spring from the apparently dry landscape of Sonoma County. Photo: Dan Lehrer, Flatland Flower Farm<\/figcaption><\/figure>\n

Does climate change spell doomsday for California agriculture?<\/p>\n

That\u2019s what Nobel-prize winning physicist Steven Chu told the Los Angeles Times<\/em><\/a> in an interview, soon after President Obama appointed him Secretary of Energy.<\/p>\n

\u201cI don\u2019t think the American public has gripped in its gut what could happen,\u201d he told the Times in February. \u201cWe\u2019re looking at a scenario where there\u2019s no more agriculture in California.\u201d<\/p>\n

For another perspective, I called UC Davis ag economist Richard Howitt<\/a>, who focuses on water and California agriculture, to ask him what he thought.<\/p>\n

\u201cThat\u2019s a highly inaccurate statement,\u201d Howitt said. \u201cSteven got carried away. Brilliant man, but he doesn\u2019t know anything about California water.\u201d<\/p>\n

Howitt\u2019s models show climate change will likely lead to a 25% reduction in the state\u2019s water supply over the next 50 years. He says that will likely mean some rough times ahead for farmers, but certainly not the end of California\u2019s role as an agricultural powerhouse.<\/p>\n

In fact, Howitt says if California farmers can continue to grow more drought-tolerant crops and cut back on flood irrigation, they\u2019re likely to thrive in the marketplace over the long term:<\/p>\n

\u201cAs income increases, people eat more California fruit, nuts, and vegetables,\u201d he says. \u201cThey don\u2019t care about cotton; they don\u2019t care about corn. We are on the right side of the agricultural business in terms of future growth.\u201d<\/p>\n

Of course, that means if you were to fly over the Central Valley in 50 years, you\u2019d probably see fewer emerald-green islands of crops like rice, alfalfa, and cotton–and more fields of wheat and flexible crops like canning tomatoes, which can be planted seasonally and according to demand.<\/p>\n

\u201cThis will, of course mean that we have less slack in the system than we do now,\u201d\u00a0 says Howitt.\u00a0 \u201cWe\u2019re going to have to be much better at applying water, look a little more like Israel and a little less like Northern California.\u201d<\/p>\n

Engineers who specialize in irrigation technology have long looked to drought-stricken countries for models. The folks who developed the Pure Sense<\/a> software I discuss in my radio story have collaborated extensively with farmers in Australia.<\/p>\n

Howitt also says no matter how efficiently farmers apply water, they have to figure out how to more efficiently move it around the state. Rather than just fighting over smelt, salmon, and pumping in the Sacramento-San Joaquin Delta, Howitt thinks farmers could be more efficient if we plumb water east to west (currently the two major water systems in California are primarily north-south oriented). Howitt says that would create incentives for farmers in relatively water-rich areas, like the east side of the San Joaquin Valley, to sell water to farms with good soil but less water–like the west side of the San Joaquin Valley, home to the some of the largest and wealthiest farms in the world.<\/p>\n

Tricking plants into yielding more with less
\n<\/strong><\/p>\n

Meanwhile, the idea of “dry farming,” like what the folks at Sonoma County’s Flatland Farm<\/a> are doing with their apples, is getting popular in coastal areas. Dry-farmed tomatoes<\/a>, like these from Santa Cruz, are increasingly popular at farmer\u2019s markets.<\/p>\n

Some researchers are taking this concept to places where it doesn\u2019t rain so much. The idea is to control irrigation to stress the plants to the point where they think they\u2019re starting to die, which triggers the plant’s genetic imperative to produce more fruit. David Goldhamer, who advises Central Valley farmers through the UC Cooperative extension, has demonstrated that farmers who cut back on watering<\/a> of navel oranges and pistachios, may actually produce higher-quality fruit and generate more income.<\/p>\n

A sprinkling of history<\/strong><\/p>\n

I also visited David Zoldoske, at the Center for Irrigation Technology<\/a> at Fresno State. They have an amazing collection of historical sprinkler systems and a virtual irrigation museum<\/a> online. Zoldoske has been studying irrigation and water efficiency for decades. Here\u2019s what he told me about how agriculture is going to have to adapt to warming temperatures:<\/p>\n

\u201cI think the thing to remember here is there is no silver bullet. There is no reservoir or canal or any other technology or engineering feat that\u2019s going to solve this problem. We\u2019re going to have to use every tool in the toolbox. It\u2019s going\u00a0 to take multiple feats of engineering elegance so we can solve this problem. And it\u2019s still possible that we\u2019ll fail. And I don\u2019t want to be saying that we will fail. We need to be very focused on this. It\u2019s going to be a long journey. We won\u2019t solve it over night.\u201d<\/p><\/blockquote>\n

Learn more:<\/p>\n

Ag and Climate Change<\/strong><\/p>\n

The entire April-June issue of the University of California\u2019s quarterly journal, California Agriculture<\/a><\/em>, is devoted to research on climate change and how it may fundamentally alter California\u2019s environment and landscape, agriculture and food quality.<\/p>\n

Saving Every Drop<\/strong>:<\/p>\n

The California Institute for Rural Studies has profiled some of the most efficient California farmers in their January report, California Water Stewards: Innovative On-Farm management Practices<\/a> (.pdf link).<\/p>\n

The institute is also tied into the California Agricultural Water Stewardship Initiative<\/a> (CAWSI), which has just launched a new website that features farmers using less water.<\/p>\n","protected":false},"excerpt":{"rendered":"

Does climate change spell doomsday for California agriculture? Not necessarily, say some growers on the cutting edge of water-saving technology. How do you like them apples?<\/p>\n","protected":false},"author":254,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7],"tags":[17,179,654],"coauthors":[],"series":[],"affiliates":[],"programs":[],"collections":[],"interests":[],"class_list":["post-1603","post","type-post","status-publish","format-standard","hentry","category-water","tag-agriculture","tag-economics","tag-water"],"acf":{"template_type":"standard","featured_image_type":"standard","is_audio_post":false},"yoast_head":"\nAg and Water: Making Do with Less | Climate Watch<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ww2.kqed.org\/climatewatch\/2009\/06\/06\/ag-and-water-making-do-with-less\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ag and Water: Making Do with Less | Climate Watch\" \/>\n<meta property=\"og:description\" content=\"Does climate change spell doomsday for California agriculture? 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