weed competition
Abousteit, E. O., and S.A.Shehata,
"Critical period of weed competition in potatoes (Solanum tuberosum, L.) Summer plantation",
. Bull. Fac. Of Agric., Univ. of Cairo, , vol. 3, issue 44, pp. 533-548., 1993.
Abousteit, E. O., and S.A.Shehata,
".Critical period of weed competition in fall planted potatoes (Solanum tuberosum, L)",
). Bull. fac.of Agric., Univ. of Cairo, , vol. 4, issue 43, pp. 1207-1220, 1991.
