"Field trials with isotopically labeled nitrogen fertilizer; Computer simulation modeling for nitrogen in irrigated croplands; Nitrogen inputs and out outputs: a valley basin study; Spatial variability of nitrogen in soils; An approach to measuring leaching of nitrate from freely drained irrigated fields."
"V.1 - Nitrogen behavior in the field soil. V.2 - Soil-plant-nitrogen relationships."
"V.2- Soil, plant, nitrogen relationships."
"Factors influencing nitrate acquisition by plants; assimilation and fate of reduced nitrogen. Absorption and utilization of ammonium nitrogen by plants. Potential nitrate levels in edible plant parts. Nitrogen nutrition as a regulator of biosynthesis of storage protein in maize (zea mays L.) grain. Relationships among microbial populations and rates of nitrification and denitrification in a hanford soil. Control of biological nitrogen fixation. Methods for analysis of denitrification in soils."
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International Conference on Nitrogen in the Environment <1977, Lake Arrowhead, Calif.>
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