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Environmental Sciences

2014

Leopold Letter

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Full-Text Articles in Life Sciences

Leopold Letter Fall 2014, Leopold Center For Sustainable Agriculture Oct 2014

Leopold Letter Fall 2014, Leopold Center For Sustainable Agriculture

Leopold Letter

ALL THINGS COVER: Cover crops have been the watch word this year – producers are trying or seeking more information about them. The Leopold Center has long invested in cover crops research, with five current projects seeking to fill in the knowledge gaps. Sometimes trying new things requires a little boost, as Director Mark Rasmussen admits, and Distinguished Fellow Fred Kirschenmann asks whether optimization is the answer or a flawed reaction to our current challenges.

OTHER FEATURES: Meet our 2014 Spencer Award winners – two people who are leaders in their community, take in the many activities of our local food team ...


Leopold Letter Summer 2014, Leopold Center For Sustainable Agriculture Jul 2014

Leopold Letter Summer 2014, Leopold Center For Sustainable Agriculture

Leopold Letter

CULTIVATING CHANGE: Many people are interested in getting their food locally, but what about energy? The Leopold Center has been helping the University of Iowa cultivate locally-grown biomass for power on campus, while another new model is taking local food to the workplace. Meanwhile, Director Mark Rasmussen looks at complicated chemical interactions and what could be their environmental consequences. Distinguished Fellow Fred Kirschenmann offers strategies for living in a hotter world.

OTHER FEATURES: We asked researchers how they would improve soil health. You'll also learn about the impacts of a program to reach landowners, a report from our local ...


Leopold Letter Spring 2014, Leopold Center For Sustainable Agriculture Apr 2014

Leopold Letter Spring 2014, Leopold Center For Sustainable Agriculture

Leopold Letter

FULL CIRCLE STORIES: We have parting remarks that look to the future from long-time partner and sustainable ag champion Mike Duffy, who is retiring from Iowa State. We also have a guest column about soil and the legacy that we may (or may not) be leaving for the coming generation. Our research update includes a new look at turning food waste into energy. And we learn lessons from the extinction of the Passenger Pigeon to guide us forward in the years to come. OTHER FEATURES: Distinguished Fellow Fred Kirschenmann ponders the link between wealth and well-being. We’ll show you ...


Leopold Letter Winter 2014, Leopold Center For Sustainable Agriculture Jan 2014

Leopold Letter Winter 2014, Leopold Center For Sustainable Agriculture

Leopold Letter

TAKING OFF: This issue features two things that are taking off: local food and prairie conservation strips. Once again we evaluated the Regional Food Systems Working Group and found that Iowa’s local food sector is growing, especially at grocery stores and institutions. Meanwhile, Leopold Center-supported STRIPS research moves to another stage – private farms. Director Mark Rasmussen gives us a New Year’s resolution and Distinguished Fellow Fred Kirschenmann returns to his query, “What’s an education for?”

OTHER FEATURES: The returns for growing trees crops, projects that target conservation practices, a long-term look at fertilizer and soil organic matter ...