1. Agriculture and the nitrogen cycle :
Author: edited by Arvin Mosier, J. Keith Syers, and John R. Freney.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Nitrogen cycle.,Nitrogen fertilizers-- Environmental aspects.,Nitrogen fertilizers.,Kunstmest.,Landbouw.,Nitrogen cycle.,Nitrogen fertilizers-- Environmental aspects.,Nitrogen fertilizers.,Stikstofcyclus.,TECHNOLOGY & ENGINEERING-- Agriculture-- General.
Classification :
S651
.
A32
2004eb
