from forest fires drifting over the North American continent with no detail on his farm. The moderate resolution also means Landsat satellites are able to fly over the same piece of real estate more frequently than high resolution satellites. Once every sixteen days, Landsat 7 in orbit now or LDCM after it launches, will revisit Wagner’s farm, and every other place on Earth, too, for global coverage. “We’re looking forward to having a real quality instrument in space,” says Irons, who is excited about having OLI and TIRS come online. He says the Landsat 30-meter resolution has been assessed in the scientific literature as being a suitable resolution for observing land cover and land use change at the scale in which humans interact with and manage land. The sensors will record 400 scenes a day, giving users 150 more scenes than previous instruments. Data from both of the sensors will be combined in each image. The Legacy in the Landsat Mission is its Continuity In daily operations on his farm, Wagner has used Landsat data in near real time. He’s anxious for the launch of LDCM and NASA’s newest sensors, OLI and TIRS, because not having the remote sensing data really puts him in a bind. A lack of current satellite data disrupts Wagner’s understanding of what his plants need, what the soil needs, the long-term performance history of his place, and his budget. For now, with his zone map in hand, Wagner adjusts his care for his sugar beet crop, allowing the plants to deplete fertilizer in the soil so he can change the bright red on the satellite image to the yellow of sweet beets in his field. Source Tomorrow’s Table: RECOMMENDED BOOK <strong>Organic</strong> Farming, Genetics, and the Future of Food Written by Pamela C. Ronald and R. W. Adamchak “Here’s a persuasive case that, far from contradictory, the merging of genetic engineering and organic farming offers our best shot at truly sustainable agriculture”--Stewart Brand, creator of the Whole Earth Catalog Description: By the year 2050, Earth’s population will double. If we continue with current farming practices, vast amounts of wilderness will be lost, millions of birds and billions of insects will die, and the public will lose billions of dollars as a consequence of environmental degradation. Clearly, there must be a better way to meet the need for increased food production. Written as part memoir, part instruction, and part contemplation, Tomorrow’s Table argues that a judicious blend of two important strands of agriculture--genetic engineering and organic farming--is key to helping feed the world’s growing population in an ecologically balanced manner. Pamela Ronald, a geneticist, and her husband, Raoul Adamchak, an organic farmer, take the reader inside their lives for roughly a year, allowing us to look over their shoulders so that we can see what geneticists and organic farmers actually do. The reader sees the problems that farmers face, trying to provide larger yields without resorting to expensive or environmentally hazardous chemicals, a problem that will loom larger and larger as the century progresses. They learn how organic farmers and geneticists address these problems. This book is for consumers, farmers, and policy decision makers who want to make food choices and policy that will support ecologically responsible farming practices. It is also for anyone who wants accurate information about organic farming, genetic engineering, and their potential impacts on human health and the environment.
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