9 treff

crops nutrition congresses
International Plant Nutrition Colloquium
Bok Engelsk 1993
International Symposium on Iron Nutrition and Interactionsin Plants
Bok Engelsk 1995
Seminar on Nitrogen Efficiency in Agricultural Soils and the Efficient Use of Fertilizer Nitrogen
Bok Engelsk 1988
Symposium on Research into Agro-technical Methods Aiming at Increasing the Productivity of Crops--Co-efficients for thMost Efficient Use of Fertilizer Nutrients and Means for Reucing the Losses of Nutrients to the Environment under the Cnditions of Intensive Agriculture
Bok Engelsk 1983
Expert Consultation on Better Exploitation of Plant Nutrients
Bok Engelsk 1978
jointly organized by the International At...
Bok Engelsk 1979
co-sponsored by the United Nations Univer...
Bok Engelsk 1984
sponsored by divisions S-4 and C-6 of the...
Bok Engelsk 1984
edited by J.J.R. Groot, P. de Willigen, E...
Bok Engelsk 1991