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Replicability of nitrogen recommendations from ramped calibration strips in winter wheat
Roberts, David C.; Brorsen, B. Wade; Taylor, Randal K.; … - Volkswirtschaftliche Fakultät, … - 2011
Ramped calibration strips have been suggested as a way for grain producers to determine nitrogen needs more accurately …. The strips use incrementally increasing levels of nitrogen and enable producers to conduct an experiment in each field to … determine nitrogen needs. This study determines whether predictions from the program Ramp Analyzer 1.2 are replicable in …
Persistent link: https://www.econbiz.de/10009401320
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The Economics of Climate Change and Science of Global Warming Debate:African Perspectives
Nwaobi, Godwin - Volkswirtschaftliche Fakultät, … - 2013
As at today, it is an indisputable fact that the climate is changing and there is a scientific consensus that the world is becoming a warmer place principally attributable to human activities. Regrettably, the physical impacts of future climate change on humans and the environment will include...
Persistent link: https://www.econbiz.de/10011259199
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Why Fracking Won't Bring Back the Factories (Yet)
Bown, Chad; Denevers, Michele; Harrison, Ann - Volkswirtschaftliche Fakultät, … - 2013
Since last fall, President Obama has repeatedly declared that manufacturing jobs are coming back to America. In this article, however, we suggest that the return of U.S. manufacturing is still more promise than reality.In particular, while the recent increase in natural gas exploration and...
Persistent link: https://www.econbiz.de/10011111624