last final thesis of umer

Salvador, R.J., Pearce, R.B. 1995. Proposed standard system of nomenclature for maize grain
filling events. Maydica 40: 141-146.
Sangoi, L., Gracietti, M.A, Rampazzo, C. and Bianchetti, P. 2002. Response of Brazillian maize
hybrids from different eras to changes in plant density. Field Crop Research, 79:39-51.
Sharma, N.N., 1994. Response of sesame (Sesamum indicum L.) varieties to levels of nitrogen and
spacing. Annual Agricultural Research, 15: 107-109.
Shen Q.R and Chu G.X., 2004, Bi-directional nitrogen transfer in an intercropping system of
peanut with rice cultivated in aerobic soil. Biol. Fertil. Soils. 40(2):81−87.
Shumba, E.M., Dhilwayo, H.H.
& Mukoko, O.Z., 1990. The potential of maizecowpea
intercropping in low rainfall areas of Zimbabwe. Zim J. Agric. Res. 28, 33-38.
Siame, J., Willey, R.W. & Morse, S., 1998. The response of maize/Phaseolus intercropping to
applied nitrogen on Oxisol in northern Zambia. Field Crops Res. 55, 73-81.
Siddig. A., Mohamed, Ali, Adam. A. Mohamed, Ali. H. Bahar and Abdulmohsin. R. Khairelseed.
(2013). Effects of Sorghum (Sorghum bicolor L.) Moench) and Groundnut (Arachis
hypogaea L.) İntercropping on some soil chemical properties and crop yield under rain-fed
conditions. ARPN Journal of Science and Technology, 3:1.
Sileshi, G.W., Akinnifesi, F.K., Ajayi, O.C., Muys, B., 2011. Integration of legume trees in maizebased
cropping systems improves rain use efficiency and yield stability under rain-fed
agriculture. Agricultural Water Management 98.
Singh, B.B., Chambliss, O.L. & Sharma, B., 1997. Recent advances in cowpea breeding. Pages
39- 40 in Advances in cowpea research, edited by B. B. Singh, D. R. Mohan Raj.
Singh, R.P., Kumar, Ranjit and Singh, N.P. 2002. Transitioning maize seed industry in
India:Sectoral dimensions. Indian Journal of Agricultural Economics, 57 (3): 430-442.
81