Carbon and the \u27carbon cycle\u27. Over the past century, CO2 levels have risen significantly. There is considerable debate about the reasons -- whether it\u27s a natural cycle or the result of increased CO2 emissions due to human activities-- but there is general agreement that human activity accounts for part of the increase, especially in view of the continuing increase of CO2 levels following the on-set of the industrial age. There is a great amount of research regarding the benefits of organic matter or soil carbon in improving soil quality and the sustainability of balanced agriculture productivity
This book chapter reviews the influence on economic thought about instrument choice and its influenc...
While most of Iowa has not been excessively wet this spring, a few areas have been hit with heavy ra...
Now looking back at the 2003 growing season, who would have thought that it would turn out the way i...
Carbon is essential for life on earth -- it sustains biological activity, diversity, and ecosystem p...
Tools are available that can aid decisions about applying supplemental nitrogen (N) if losses from a...
The recent heavy rains have raised questions about nitrogen (N) losses. In wet field areas it is com...
Corn ear rot problems are often related to how long the corn stands in the field in the fall, the am...
Much of the primary fertilizer nitrogen (N) for corn is applied in the spring as pre-plant or sidedr...
The environmental and economical values of conservation practices far exceed the perceived negatives...
Nitrogen (N) fertilizer prices have been high the past few years, and continue to be this fall. Addi...
President Donald Trump\u27s announcement last week that he will begin the process of withdrawing the...
I realize that this title is both provocative and potentially very puzzling in the current environme...
Current climate mitigation policies have not fully resolved contentious issues regarding the inclusi...
This year, like any year, producers have to make a decision whether they till or not. This year is e...
In the wake of climate change negotiations in Cancún, and as New Mexico, California, Ontario, Quebec...
This book chapter reviews the influence on economic thought about instrument choice and its influenc...
While most of Iowa has not been excessively wet this spring, a few areas have been hit with heavy ra...
Now looking back at the 2003 growing season, who would have thought that it would turn out the way i...
Carbon is essential for life on earth -- it sustains biological activity, diversity, and ecosystem p...
Tools are available that can aid decisions about applying supplemental nitrogen (N) if losses from a...
The recent heavy rains have raised questions about nitrogen (N) losses. In wet field areas it is com...
Corn ear rot problems are often related to how long the corn stands in the field in the fall, the am...
Much of the primary fertilizer nitrogen (N) for corn is applied in the spring as pre-plant or sidedr...
The environmental and economical values of conservation practices far exceed the perceived negatives...
Nitrogen (N) fertilizer prices have been high the past few years, and continue to be this fall. Addi...
President Donald Trump\u27s announcement last week that he will begin the process of withdrawing the...
I realize that this title is both provocative and potentially very puzzling in the current environme...
Current climate mitigation policies have not fully resolved contentious issues regarding the inclusi...
This year, like any year, producers have to make a decision whether they till or not. This year is e...
In the wake of climate change negotiations in Cancún, and as New Mexico, California, Ontario, Quebec...
This book chapter reviews the influence on economic thought about instrument choice and its influenc...
While most of Iowa has not been excessively wet this spring, a few areas have been hit with heavy ra...
Now looking back at the 2003 growing season, who would have thought that it would turn out the way i...