Due to the scarcity of alternative organic amendments, the retention of crop residue in fields
can be considered key in promoting physical, chemical, and biological attributes of soil …

Dissolved organic matter (DOM) is defined as the organic matter fraction in solution that
passes through a 0.45 μm filter. Although DOM is ubiquitous in terrestrial and aquatic …

Straw returning is an important measure for improving soil organic matter, biological activity,
and nutrient availability. Straw mulching and straw burying are two methods for returning …

This review reveals that crop residues of common cultivated crops are an important resource
not only as a source of significant quantities of nutrients for crop production but also affecting …

Complex relationships exist between different components of the organic farm and the
quantity and quality of the end products depend on the functioning of the whole system. As …

Nitrogen (N) indicators are key for characterizing farm performance, because of the role of N
in food production and environmental sustainability. A systematic monitoring of N balance at …

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 …

Crop residue management for nutrient cycling and improving soil productivity in rice-based
cropping systems in the tropics Page 283 M CROP RESIDUE ANAGEMENT FOR …

Organic farming systems are diverse and occur throughout the world. They are linked by
common objectives of economic, environmental, and social sustainability. In many countries …

This paper reviews information from the literature and case studies to investigate whether
productivity in organic systems is restricted by the supply of available N during the major …