Use of agricultural resources and residues puts environmental balance in deficit
Researcher does material flow accounting and warns of high consumption of non-renewable resources that cause damage, such as nitrogen and phosphorus, writes Valéria Dias in the Journal of USP...

How can Midwest agriculture help minimize the Gulf of Mexico’s hypoxic zone?
A revolution in Midwestern agriculture has to happen to minimize the Gulf of Mexico’s hypoxic zone, according to the University of Illinois at Urbana-Champaign’s Institute for Sustainability, Energy, and Environment (iSEE)....

A Honey Bee Hive Tells All
Exactly what plants do honey bees visit on their daily forages for food in rural Madison County, Ohio? A research team led by Dr. Reed Johnson from The Ohio State University has found that the answer lies in pollen DNA. ...

Toxins in Nectar and Pollen Poison Insects, Affect their Memory
Natural toxins in nectar and pollen can poison insects and affect their memory, behaviour and reproductive success, researchers have found....

Nitrogen Fertilization Rates for Corn Production
There has been a large change in corn grain prices this fall. How might that affect recommended nitrogen (N) fertilizer or manure-N application rates, and planning for the 2015 crop? The answer depends on more than just the price of corn, but also the...

Target Crop Not Soil to Reduce Fertiliser Use
‘Feed the crop not the soil’ is the message of a new review into sustainable phosphorus use. Currently, phosphorus fertiliser is applied to the soil, and plants then take it up through the roots. However, more precise nutrient management is needed...