The economic sustainability evaluation of sheep systems of the natural park "Sierra de Guara ".

Research Authors
Ameen, F., Manrique, E. y Olaizola, A.M.
Research Department
Department of Agricultural Economics
Research Journal
AIDA
Research Member
Faleh AbdelNaeem Ameen Mohamed
Research Pages
382-384 PP
Research Publisher
XIII Jornadas sobre Producción Animal
Research Rank
1
Research Vol
Tomo II
Research Year
2009

Changes in the population of the cereal aphids in relation to the sowing dates of wheat in Upper Egypt

Research Authors
Ali, A.W.A. a, M.M.A. Rizk
Research Department
Department of Plant Protection
Research Journal
Proc. 3rd Pesticide Conf., Tanta Univ.
Research Member
Mostafa Mohamed Ahmed Rizk
Research Pages
pp. 485 - 489
Research Rank
2
Research Vol
Vol. 1
Research Year
1979

Studies on the abundance and deppersion dynamics of cereal aphids on wheat in the Arab Republic of Egypt (In German)

Research Authors
Ali, A.W.M. , M.M.A. Rizk
Research Department
Department of Plant Protection
Research Journal
Arch. Phyopathol. u. Pflanzenschutz, Berlin
Research Member
Mostafa Mohamed Ahmed Rizk
Research Pages
pp. 323 - 329
Research Rank
2
Research Vol
Vo. 15
Research Year
1979
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