In-vitro-breeding of lupins
Literatur
Sator C (1983) In-vitro-breeding of lupins. World Crops 8:79-86
The efficient use of fertilizer nutrients as influenced by soil testing : application technique and timing
Literatur
Sauerbeck D, Timmermann F (1983) The efficient use of fertilizer nutrients as influenced by soil testing : application technique and timing. In: Efficient use of fertilizers in agriculture : proceedings of the Symposium on Research into Agrotechnical Methods Aiming at Increasing the Productivity of Crops, Co-efficients for the most Efficient Use of Fertilizer Nutrients and Means for Reducing the Losses of Nutrients to the Environment under the Conditions of Intensive Agriculture, organized by the Agriculture Section of the United Nations Economic Commission for Europe, held at Geneva, Switzerland, 17 - 21 Jan. 1983. The Hague: Nijhoff, pp 171-195
