Total soil organic matter content is a key attribute of soil quality since it has far-reaching
eVects on soil physical, chemical, and biological properties. However, changes in contents …

Soil is the largest reservoir of carbon (C) in the terrestrial biosphere and a slight variation in
this pool could lead to substantial changes in the atmospheric CO2 concentration, thus …

Sugarcane straw represents, under Brazilian conditions, approximately one third of the total
primary energy of sugarcane in the field. Today, its use for energy is incipient and it is mostly …

One potentially significant impact of growing biofuel crops will be the sequestration or
release of carbon (C) in soil. Soil organic carbon (SOC) represents an important C sink in …

Soil organic matter (SOM) has many functions, the relative importance of which differ with
soil type, climate, and land use. Commonly the most importantfunction of OM in soil is as a …

The effects of crop residue management and fertilizer applications on soil organic matter
(SOM) content and labile soil organic fractions were examined on a long-term (59 years) …

Burning sugarcane leaves and tops on standing mature crops has been practiced for
centuries in Brazil, in order to facilitate the harvest, transportation and processing of …

The intensive land use invariably has several negative effects on the environment and crop
production if conservative practices are not adopted. Reduction in soil organic matter (SOM) …

4. Role of SOM on soil functions a. Physical functions: i. Soil structure and aggregate
stability….……………………….. 21 ii. Water-holding capacity …

Data from the 1990-1994 period presented in the" Brazil's Initial National Communication"
document indicated that the country is one of the top world greenhouse gas (GHG) emitters …