The manufacturing and marketing of nitrogen fertilizers in the United States /

Nitrogen fertilizers /
by: Korenʹkov, D. A. (Dmitriĭ Aleksandrovich)
Published: (1983)

Nitrogen fertilization timing effect on wheat production and nitrogen uptake efficiency /
by: Alcoz Sartori, Maria Mercedes, 1964-
Published: (1992)

Agriculture and the nitrogen cycle : assessing the impacts of fertilizer use on food production and the environment /
Published: (2004)

Vegetable utilization of nitrogen from controlled release fertilizers /
by: Wiendenfeld, Robert Phillip
Published: (1979)

Fertilizer nitrogen : facing the challenge of more expensive energy : proceedings of the British Sulphur Corporation's Fourth International Conference on Fertilizer Technology, London, 19-21 January 1981 /
Published: (1981)

Nitrogen fertilizer recommendations for maize produced in the tropics : comparison of three computer-based models /
by: Osmond, Deanna Lynn
Published: (1991)

Effects of tillage and nitrogen fertilization on nitrogen losses from soils used for corn production /
Published: (1990)

Efficiency of nitrogen fertilizers for rice : proceedings of the Meeting of the International Network on Soil Fertility and Fertilizer Evaluation for Rice, Griffith, New South Wales, Australia, 10-16 April 1985.
Published: (1987)

Grassland nitrogen /
by: Whitehead, D. C. (David Charles)
Published: (1995)

Nitrogen in the environment : sources, problems, and management /
Published: (2008)

A stress day concept to improve nitrogen fertilizer utilization : dryland grain sorghum in the Texas Blackland Prairie /
by: Kissel, D. E.
Published: (1975)

Nitrogen fertilizer from solar energy /
by: Rein, Bradley K.
Published: (1980)

Response of Douglas-fir seedlings to nitrogen, sulfur, and phosphorus fertilizers /
by: Radwan, M. A., 1926-
Published: (1985)

Nursery fertilization of Douglas-fir seedlings with different forms of nitrogen /
by: Radwan, M. A., 1926-
Published: (1971)

Field measurements of ammonia volatilization from surface applications of nitrogen fertilizers to a calcareous soil /
by: Hargrove, W. L. (William Leonard)
Published: (1977)

Nitrogen in organic wastes applied to soils /
Published: (1989)

World nitrogen survey /
by: Sheldrick, William F.
Published: (1987)

Chemical properties and moisture extraction in rangeland soils and influenced by nitrogen fertilization /
Published: (1961)

Effects of different sources of fertilizer nitrogen on growth and nutrition of western hemlock seedlings /
by: Radwan, M. A., 1926-
Published: (1980)

Diagnosis of the nitrogen status in crops /
Published: (1997)

County-level estimates of nitrogen and phosphorus from commercial fertilizer for the conterminous United States, 1987-2006 /
by: Gronberg, JoAnn M.
Published: (2012)

Nitrogen in agricultural systems /
Published: (2008)

An economic evaluation of nitrogen fertilization of Montana winter wheat /
by: Garnick, Bradley
Published: (1979)

A Competitive assessment of the U.S. nitrogen fertilizer industry /
Published: (1986)

The technology of mineral fertilizers /
by: Moldovan, Iuliu
Published: (1969)

Isotopic studies of Azolla and nitrogen fertilization of rice /
Published: (1993)

Increasing nitrogen efficiency for rice cultivation.
Published: (1980)

Liquid nitrogen fertilizers for direct application /
by: Adams, J. Richard (James Richard), 1898-
Published: (1961)

Nitrogen fluxes in intensive grassland systems /
Published: (1986)

Netherlands nitrogen technical bulletin.

Growth of nitrogen-fertilized and thinned quaking aspen (Populus tremuloides Michx.) /
by: Perala, Donald A.
Published: (1989)

Effect of rates and frequencies of nitrogen fertilization on yield, growth pattern and crude protein content of bermudagrass /
by: Uribe-Rivas, Juan Carlos, 1956-
Published: (1983)

Availability of some nitrogenous and phosphatic materials /
by: Fraps, G. S. (George Stronach), 1876-
Published: (1922)

Nitrogen in agricultural soils /
Published: (1982)

Nitrogen in agricultural soils /
Published: (1982)

Effects of soil and foliar applications of nitrogen fertilizers on a 20-year-old Douglas-fir stand /
by: Miller, Richard E.
Published: (1979)