Title: Balance d'azote et d'eau dans les prairies humides [par R. León]  The nitrogen and water relations of wet meadows [by J.T. Williams] Stickstoff- und Wasserversorgung von Feuchtwiesen [von H. Ellenberg]
First published: 1968
Subjects: Fixation, Soil moisture, Nitrification, Nitrogen
LC classification: S651 L4