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William Martin, an illiterate black share-cropper in the rural
South and his wife, Maria, move from their small farm to a large
southern city in the midst of the great financial depression to
give their two sons the opportunity for a better education. They
all face almost insurmountable obstacles to better themselves
because of the segregation, discrimination, subjugation, and
humiliation imposed by the ruling white supremacy. The younger son,
Sam, is confronted with the daily challenge of either accepting his
secondary life as a black or rising above his environment and being
accepted as a person regardless of the color of his skin. The
injustices inflicted upon him and his family breeds a hatred within
him. How he handles this hatred determines his personal destiny.
The presence - or absence - of soil organic matter (SOM) has
important implications for agricultural productivity. It could also
have significant implications for global climate due to its role as
a source/sink of carbon. Therefore, it is important to understand
the issues related to the accumulation or loss of SOM, to use what
we have learned from experiments to make sound decisions about soil
and crop management, and to test models and future concepts
concerning SOM management. A database is included with the book,
presenting tabular data for 34 sites in North America.
Soil Organic Matter in Temperate Agroecosystems discusses all of
these issues and more, answering such questions as:
William Martin, an illiterate black share-cropper in the rural
South and his wife, Maria, move from their small farm to a large
southern city in the midst of the great financial depression to
give their two sons the opportunity for a better education. They
all face almost insurmountable obstacles to better themselves
because of the segregation, discrimination, subjugation, and
humiliation imposed by the ruling white supremacy. The younger son,
Sam, is confronted with the daily challenge of either accepting his
secondary life as a black or rising above his environment and being
accepted as a person regardless of the color of his skin. The
injustices inflicted upon him and his family breeds a hatred within
him. How he handles this hatred determines his personal destiny.
This report assesses the potential of U.S. cropland to sequester
carbon, concluding that properly applied soil restorative processes
and best management practices can help mitigate the greenhouse
effect by decreasing the emissions of greenhouse gases from U.S.
agricultural activities and by making U.S. cropland a major sink
for carbon sequestration.
Topics include:
Describe the greenhouse processes and global tends in emissions as
well as the three principal components of anthropogenic global
warming potential
Present data on U.S. emissions and agriculture's related role
Examines the soil organic carbon (SOC) pool in soils of the U.S.
and its loss due to cultivation
Provides a reference for the magnitude of carbon sequestration
potential
Analyzes the primary processes governing greenhouse gas emission
from the pedosphere
Establishes a link between SOC content and soil quality
Outlines strategies for mitigating emissions from U.S.
cropland
Discusses soil erosion management
Assesses the potential of using cropland to create biomass for
direct fuel to produce power
Details the potential for sequestering carbon by intensifying prime
agricultural land
The Potential of U.S. Cropland to Sequester Carbon and Mitigate the
Greenhouse Effect provides an exceptional framework for the
adoption of science-based management methods on U.S. cropland,
encouraging appropriate agricultural practices for the sustainable
use of our natural resources and the improvement of our nation's
environment.
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