New Perspectives on Nitrogen Cycling in the Temperate and Tropical Americas formatIsbn:Softcover - 9789401059619 Eine andere Form der Zusammenarbeit

Eine andere Form der Zusammenarbeit von Bauunternehmen ist die Bildung von Kartellen

Aus dem Inhalt von Band 60: Martin Hollender: "An Ideen fehlt es mir ja nie

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

mit der Binnengeschichte

New Perspectives on Nitrogen Cycling in the Temperate and Tropical Americas formatIsbn:Softcover - 9789401059619 Eine andere Form der ZusammenarbeitInputs 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