Sentences with phrase «range of agricultural systems»

The Initiative is based on the finding that «4 ‰» annual growth rate of the soil carbon stock would make it possible to stop the present increase in atmospheric CO2 and aims to use a range of agricultural systems to sequester CO2 and store it in the ground as soil organic carbon (SOC).

Not exact matches

«The committee applauds the progress made to date, but a range of issues still need to be addressed, from ensuring farmers have access to all tools to improve productivity to building sustainable agricultural systems,» said Senator Daschle.

These societies varied from egalitarian to rigidly stratified, and their agricultural systems ranged from among the least intensive to the most intensive in the pre-modern world — the rice terraces built by the Ifugao people of the Philippines have often been described as the «eighth wonder of the world.»

Those new initiatives range from fighting a fresh war on cancer and developing cleaner energy and transportation systems to doubling spending on competitive agricultural research and improving the computer literacy of U.S. school children.

The research by Hart and Acs examines companies in a much broader range of science - and technology - based industries that are important to the American economy (and to the employment prospects of scientifically and technically trained people), including pharmaceuticals, medical devices, optical equipment, industrial and agricultural chemicals, guidance and navigation systems, aeronautics and space, testing instruments, and much more.

In particular, IIASA researchers will focus on how potential phosphorus market crises might put pressure on the global food system and create environmental ripple effects ranging from expansion of agricultural land to phosphorus price - induced changes in land management, which could exacerbate the already existing imbalance between carbon, phosphorus and nitrogen.

Chemicals (household chemicals, agricultural chemicals, pharmaceutical drugs, etc) have a wide range of effects on immune system function.

His research has spanned a wide range of issues, including biofuels policy, water quality and quantity policies, regulatory economics, food security, and regional modeling of agricultural systems.

Her areas of focus range from conservation biology to the effects of climate change on agricultural systems.

It is a simple discrepancy which must be laid to rest, or there is no way to conclude anything about the system: how were CO2 levels maintained in a tight range over centuries, given all the random influx and egress from volcanic activity, environmental perturbations, deforestation, desertification, fossilization, agricultural trends, wars, oceanic turnover, continental drift, weathering of minerals, fires, floods, etc..., if there is not a fairly strong feedback holding them in place?