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effect of nitrogen on

Ecological Aspects Of Nitrogen Metabolism In Plants

By Christopher D. Todd

Nitrogen Fluxes in Intensive Grassland Systems

By G. C. Ennik

Nitrogen turnover in the soil-crop system

By P. de Willigen

Effects of manganese and manganese-nitrogen applications on growth and nutrition of Douglas-fir seedlings

By M. A. Radwan

Ten-year results of fertilizing grand fir, western hemlock, western larch, and Douglas-fir with nitrogen in northern Idaho

By Russell T. Graham

Nitric oxide in plant physiology

By Shamsul Hayat

Progress in nitrogen cycling studies

By Nitrogen Workshop (8th 1994 University of Ghent)

Fundamental, ecological, and agricultural aspects of nitrogen metabolism in higher plants

By H. Lambers,J. J. Neeteson

Nitrogen in terrestrial ecosystems

By Carl Olof Tamm

Nitrogen efficiency in agricultural soils

By Seminar on Nitrogen Efficiency in Agricultural Soils and the Efficient Use of Fertilizer Nitrogen (1987 Edinburgh, Scotland)

Soil and crop interrelations of various nitrogenous fertilizers

By M. F. Morgan

Efficient use of nitrogen on crop land in the Northeast

By Allen V. Barker

Chemical investigations of the tobacco plant

By Hubert Bradford Vickery

Quantifying and understanding plant nitrogen uptake systems modeling

By Liwang Ma,Lajpat R. Ahuja,Tom Bruulsema

Enhancing the efficiency of nitrogen utilization in plants

By Sham S. Goyal,Amarjit S. Basra

Nitrogen in the environment

By D. R. Nielsen

Mineral nitrogen in the plant-soil system

By R. J. Haynes

Rolʹ azota v ontogeneze tabaka

By N. I. Volodarskiĭ

Nitrogen in Indian agriculture, 1961-70

By European Nitrogen Service Programme.

Povyshenie soderzhanii͡a︡ belka v zerne

By A. N. Pavlov

Wpływ składu botanicznego, terminów użytkowania i nawożenia azotowego na plony oraz na zawartość białka i karotenów w poplonach ozimych

By Wincenty Balcerek

The relative significance of phosphorus and nitrogen as algal nutrients

By Charles Manuel Weiss

Nitrogen-15 in soil-plant studies

By Research Co-ordination Meeting on Recent Developments in the Use of Nitrogen-15 in Soil-Plant Studies Sofia 1969.

Eutrophication in coastal waters: nitrogen as a controlling factor

By University of California (System). Institute of Marine Resources.