New Perspectives on Nitrogen Cycling in the Temperate and Tropical Americas formatIsbn:Softcover - 9789401059619 unter Beachtung der Besonderheiten des

unter Beachtung der Besonderheiten des Internethandels

Im zweiten Kapitel werden die Regelungen der Richtlinie vorgestellt und diskutiert

and Changing Traditions: A Study of Libyan Women in Benghazi / FIKRY

Es fehlt ihnen an Weitläufigkeit

Meg / Halvorsen

New Perspectives on Nitrogen Cycling in the Temperate and Tropical Americas formatIsbn:Softcover - 9789401059619 unter Beachtung der Besonderheiten desInputs of nitrogen to terrestrial and aquatic ecosystems have increased several fold over the last one hundred and fifty years, with the steepest increases during the last four decades. The expansion of fertilizer manu facture and use, the increase in fossil fuel combustion, the intensification of animal husbandry, and widespread cultivation of N2 fixing crops have all contributed to the dramatic increase in N inputs. The increase has been most rapid