last final thesis of umer
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Gözübenli, H. 2010. Influence of planting patterns and plant density on the performance of maize
hybrids in the Eastern Mediterranean conditions. International Journal of Agriculture and
Biology, 12: 556-560.
Hadley, P., Roberts, E. H., Summerfield, R. J., and Minchin, F. R. 1983. A quantitative Model of
Reproductive Development in Cowpea (Vigna unguiculata (L) Walp) in Relation to
Photoperiod and Temperature, and Implications for Screening Germoplasm. Annals of
Botany 51, 531-543.
Hassan, A.A. 2000. Effect of population density on yield and yield components of eight Egyptian
maize hybrids, Bulletin of Faculty of Agriculture, 51 (1): 1-16.
Hauggaard-Nieson H., Ambus P and Jensen E. S. 2001. Temporal and spatial distribution of roots
and competition for nitrogen in pea-barley intercrops. A field studies employing 23P
techniques. Plant Soil 236:63−74.
Hayder Ghulam, S., Suhail Mumtaz, Aslam Khan, Sherin Khan.2003. Maize and Soybean
Intercropping under Various Levels of Soybean Seed Rates. Asian Journal of Plant
Science, 2(3): 339-341.
Hulugalle, N.R. & Lal, R., 1986. Soil water balance in intercropped maize and cowpea grown in a
typical hydromophic soil in Western Nigeria. Agron. J. 77, 86-90.
IFAD(Food and Agricultural organization of the United Nations),2000.IITA:Applied and adaptive
research on cowpea in semi-arid zones of West Africa .Executive Board-sixty ninth
sessions,Rome,3-4 May,2000.Pp:18-20.
IITA. 1977. Grain Legume Improvement Program Annual Report (p. 78). Ibadan, Nigeria, IITA.
73