1Hamelmalo College of Agriculture, Crop Production Department, Po. Box 297. Keren, Eritrea.
2Himachal Pradesh Krishi Vishvavidyalaya, Department of Plant Breeding & Genetics, Palampur-176 062, H. P., India.
3Wageningen University, Department of Plant Science, Crop and Weed Ecology Group, Haarweg-333, 6709RZ Wageningen, The Netherlands.
Four
Growth, yield advantage, aggressivity, intercropping