Nitrogen balance. : Nitrogen and phosphorus nutrition of cattle : reducing the environmental impact of cattle operations / edited by Ernst Pfeffer and Alexander N. Hristov
Nitrogen compounds -- Environmental aspects -- Congresses. : Proceedings of the Conference on Nitrogen as a Water Pollutant, Copenhagen, August 18-20, 1975 / program committee, P. Harremoës ... [and others] ; organizing committee, P. Harremoës ... [and others] ; conference sponsors, Danish National Committee of the International Association on Water Pollution Research (IAWPR)
Nitrogen content Soils Australia : How to minimise nitrogen and phosphorus losses from temperate dryland grazing and cropping farms : nutrient management guidelines / Rob Harris and Anna Ridley
Nitrogen content Steel Congresses : Elevated temperature properties as influenced by nitrogen additions to types 304 and 316 austenitic stainless steels
Nitrogen content Water Australia : The influence of waterway management on water quality with particular reference to suspended solids, phosphorus and nitrogen / by Wayne D. Erskine and Michael J. Saynor
Nitrogen cycle -- Congresses. : The Cycling of carbon, nitrogen, sulfur and phosphorus in terrestrial and aquatic ecosystems / by I.E. Galbally, J.R. Freney
Nitrogen cycle -- Environmental aspects -- California : The California nitrogen assessment : challenges and solutions for people, agriculture, and the environment / edited by Thomas P. Tomich, Sonja B. Brodt, Randy A. Dahlgren, Kate M. Scow
The circulation of nitrogen in nature, consisting of a cycle of biochemical reactions in which atmospheric nitrogen is compounded, dissolved in rain, and deposited in the soil, where it is assimilated and metabolized by animals, plants, bacteria, and fungi, eventually returning to the atmosphere by bacterial decomposition of organic matter
Nitrogen dioxide -- Environmental aspects. : State of the air : national ambient air quality status and trends report 1991-2001 / Department of the Environment and Heritage and the Bureau of Meteorology
Nitrogen Dioxide -- toxicity : Assessment of exposure-response functions for rocket-emission toxicants / Subcommittee on Rocket-Emission Toxicants, Committee on Toxicology, Board on Environmental Studies and Toxicology, Commission on Life Sciences, National Research Council
Nitrogen -- Environmental aspects -- California : The California nitrogen assessment : challenges and solutions for people, agriculture, and the environment / edited by Thomas P. Tomich, Sonja B. Brodt, Randy A. Dahlgren, Kate M. Scow
2016
1
Nitrogen -- Environmental aspects -- Congresses. : Proceedings of the Conference on Nitrogen as a Water Pollutant, Copenhagen, August 18-20, 1975 / program committee, P. Harremoës ... [and others] ; organizing committee, P. Harremoës ... [and others] ; conference sponsors, Danish National Committee of the International Association on Water Pollution Research (IAWPR)
Nitrogen fertilizers -- Australia -- Victoria. : Using nitrogen confidently : best management practices for nitrogen use on dryland dairy pastures. / produced by the Department of Natural Resources and Environment ; edited by Frank McKenzie