Cover crops play an increasingly important role in improving soil quality, reducing
agricultural inputs and improving environmental sustainability. The main objectives of this …

Ongoing specialization of crop and livestock systems provides socioeconomic benefits to the
farmer but has led to greater externalization of environmental costs when compared to …

Although nitrogen (N) loss through runoff and leaching from croplands is suspected to
contribute to the deterioration of surrounding water systems, there is no conclusive evidence …

Biofuels offer one method for decreasing emissions of carbon dioxide (CO2) from fossil
fuels, thus helping to meet UK and EU targets for mitigating climate change. They also …

This paper reviews knowledge of nitrogen and phosphorus generation from land use and
export to waterways, including studies relevant to Australia. It provides a link between …

There is widespread public concern about the effects of nitrate derived from the use of
fertilizers in farming on water quality and public health. But research on nitrate during the …

The effect of weather on inter-annual variation in the crop yield response to nitrogen (N)
fertilizer for winter wheat (Triticum aestivvum L.) and spring barley (Hordeum vulgare L.) was …

Methane production by fermentation is a complex biochemical process, in which
micromolecular organic substances are broken down by anaerobic bacteria into simple …

A significant proportion of grazed land in New Zealand is in hill country and this area
supports a large proportion of the national sheep and beef herd. Little is known about the …

The rapidly growing population will soon require a near doubling of food production. This
increase must be achieved in a manner that maintains environmental integrity, preserves …