Exotic pests are serious threats to North American ecosystems; thus, economic analysis of decisions about eradication, stopping, or slowing their spread may be critical to ecosystem management. We present a model to analyze ...

Food activities provide the chance to learn many skills useful for a lifetime. For the preschooler , food handling skills need to be tailored to muscular development and coordination. The activities listed are for two to ...

Published bulletin on the advantages of rural electrification for farm homes.

Westmoreland (soil) topography. Foreground - stream - wet area. Linside semi-drained up to second line in corn field. Rock pile. Hayter colluvial soil - draw on right. Stomy colluvial solid - ridge to tree line. Muskingum ...

Rear view of International Harvester Company A-Model, 2-disc plow constructing terrace (note side move action upon hitting small stone).

After weir construction. Upstream veiw taken from road above culvert.

We evaluate the onsite land degradation effects of economic changes occurring both within agriculture and elsewhere in the Philippine economy, simulated with the APEX applied general equilibrium model. We derive changes ...

This paper examines the situation of agricultural development in African countries, specifically cases in Ghana, Sudan, Uganda, Zambia, and South Africa. The author asserts that inadequate institutional support and a lack ...

Many parts of Africa are experiencing annual population growth rates between 2 and 4%, degradation of the natural resource base, recurrent droughts and a growing dependence on food aid as well as the import of cereals to ...

View of approaching pulverator plow (rotary moldboard) sub base operates in 3" furrow in foreground, to depth of 4" - Total depth of tillage 7".