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Abstract:
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Pt. I. On the Critical N Concentration in Agricultural Crops. 1. N Uptake and Distribution in Plant Canopies / G. Lemaire and F. Gastal. 2. Use of the Nitrogen Nutrition Index for the Analysis of Agronomical Data / G. Lemaire and J. M. Meynard -- Pt. II. The Nitrogen Requirement of Major Agricultural Crops. 3. Grasslands / M. Duru, G. Lemaire and P. Cruz. 4. Wheat, Barley, and Durum Wheat / E. Justes, M. H. Jeuffroy and B. Mary. 5. Maize and Sorghum / D. Plenet and P. Cruz. 6. Grain Legumes / B. Ney, T. D
e and M. Sagan. 7. Potatoes / T. Duchenne, J. M. Machet and M. Martin. 8. Mixed Crops / P. Cruz and J. F. Soussana -- Pt. III. Management of N Nutrition. 9. Nitrogen Diagnosis and Decision Support / J. M. Meynard, C. Aubry and E. Justes [et al.]. 10. Di
nosis Using Stern Base Extract: JUBIL Method / E. Justes, J. M. Meynard and B. Mary [et al.]. 11. Leaf N Content as an Indicator of Crop N Nutrition Status / G. Lemaire, D. Plenet and D. Grindlay. 12. Radiometric Estimates of Nitrogen Status of Leaves and Canopies / F. Baret and Th. Fourty. 13. Concluding Remarks: N Hazards to Crops and Environment / B. Mary.
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