The worldwide food crisis is a direct result of the choices made by policymakers and the lack of attention paid to the agricultural system
and its relationship to global warming and fossil fuels, according to Samina Raja, assistant professor of urban and regional planning at the University at Buffalo (N.
Native bees can be a component of our agricultural systems
if we do the right thing," concludes Scott Hoffman Black of the Xerces Society.
Organic farming is a term given to an agricultural system
that produces food in a natural way utilizing environmentally and socially sound means without reliance on insecticides, chemical fertilizers, hormones or any other genetically modified substances.
For many agriculturalists and ecologists the only hope of solving this problem is in developing new greener, species-rich but yet productive, agricultural systems
,' he said.
Yet while traditional low input and organic agricultural systems
were more wildlife friendly, they are unlikely to feed the world's expanding human population.
It has been reported that under natural vegetation, SOC values tend to attain QEVs with varying duration of 500-1000 years in a forest system (Jenny 1950; Dickson and Crocker 1953), 30-50 years in agricultural systems
after forest cutting (Arrouays et al.
A great deal of progress in our ecological understanding of agricultural systems
has been achieved using such framework.
Only a few regions were geographically suited to become homelands of full agricultural systems
," says archaeologist Katharina Neumann of J.
It is vital to discover whether there is a link between the increasingly intensive agricultural systems
and the disease's re-emergence.
But it is in the two final chapters of the study where Scott turns to his underlying purpose: a measured and ultimately sobering critique of high modernism's assault on local knowledge and indigenous agricultural systems
The Country Landowners' Association fears that many sites of special scientific interest will be lost if the present farming crisis destroys the traditional agricultural systems
that have maintained them.
In Chiapas, Mexico, SMBC biologists found that shaded coffee areas have considerably more birds (at least 150 species) than other agricultural systems
and compare favorably with natural forest.