KEEPING AN EYE: A Goanna Ag canopy sensor on a tomato crop near Swan Hill, Victoria.
The CSIRO and local agtech company Goanna Ag have teamed up to give irrigators the technology to get maximum value out of every drop of water.
They are claiming WaterWise will be Australia’s only water-use efficiency product for irrigated crops that measures crop water stress and predicts future water needs in real time.
There is a limited and shrinking supply, growing demand, and a long-run picture that looks, from many angles, hopelessly apocalyptic. Inside the elaborate, diverse, and ever-evolving effort to manage water in what some have called “America’s least sustainable city.”
An hour north of Phoenix, Arizona, Chip Norton drives his truck toward the Verde River. Norton spent the last decade of his career as a public works contractor for water facilities. … [more…]
Many people are curious about Iowa stream nitrate before modern agriculture became established across the landscape. They want to know what the “natural” level of nitrate was. It turns out we do have some actual data. In 1955, the Iowa Geological Survey published a document titled “Water-Supply Bulletin No. 5, Quality of Surface Waters of Iowa, 1886-1954” (1). Some of these data are shown below (as nitrogen).
Confluence of the … [more…]
Drought is the leading driver of production risk in U.S. agriculture. Although flooding, early frosts, pests, and other risk factors pose major challenges to farmers, no other source of production risk is as nationally significant as drought in terms of lost agricultural production and income. A major drought can reduce crop yields, lead farmers to cut back planted or harvested acreage, reduce livestock producthttps://www.h2oiq.org/?p=6729&preview=trueivity, and increase costs of production inputs … [more…]
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From cooling power plants to quenching thirst and growing crops, water is part of everything we do.
February 22, 2019 — As climate change, urban development, irrigation and other factors are altering the availability of water, it’s important to understand how we use water on a daily basis in the U.S. — and where the opportunities are for using it more wisely.
A recent report from the … [more…]