Ammonia (NH 3) emissions from dairy farm systems cause environmental problems. This
paper reviews and quantifies the major loss routes of NH 3 in dairy farms. Furthermore …

Low input legume-based agriculture exists in a continuum between subsistence farming and
intensive arable and pastoral systems. This review covers this range, but with most …

Research on the various transformations of N in temperate grassland systems is
comprehensively reviewed in this book, which is aimed at advisers, researchers, teachers …

This book deals with the concentrations and transformations of nutrient elements in soils,
grassland plants and ruminants, particularly sheep and cattle. Data are restricted to those …

This document represents the culmination of a major effort to synthesize and update
available knowledge on the control of ammonia emissions from agriculture to the …

The changes in agricultural policy and the increased concern about the effects of intensive
production systems on the natural environment may lead to a reduction in the levels of …

The atmosphere in Europe is polluted by easily available nitrogen (ammonium and nitrate)
mainly from livestock (NH 3), traffic (NO x) and stationary combustion sources (NO x). The …

Fresh cattle, pig and poultry excreta as well as aerobically and anaerobically decomposed
materials of the same origin were analysed. Highest concentrations of plant nutrients were …

The trend towards specialization in conventional farming led to large agricultural areas in
Germany and in Europe lacking livestock. Also stockless organic farming has increased …

A mechanistic model of N2O emission from agricultural soil (DeNitrification-DeComposition—
DNDC) was modified for application to the UK, and was used as the basis of an inventory of …