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Latest researches
* High external Na+, but not K+, stimulates the growth of Ulva lactuca (L.) via induction of the plasma membrane ATPases and achievement of K+/Na+ homeostasis
* Algal amendment improved yield and grain quality of rice with alleviation of the impacts of salt stress and water stress
* Form of the Nitrogen Source Affects the Response of the Two Congeneric Rumex Species to Phosphorus Nutrition in The Nile Delta Coast

Scientific Researches

effect of phosphorus nutrition on growth, chloroplast ultra-structure and p uptake by nigella sativa l.
j. union arab biol. 7 (b): 373-396 (1999).
el-katony t. m., baka z. a. m., badawy a. m. and abo-el-naga s. m
effect of ammonium versus nitrate nutrition on growth, chloroplast ultra-structure and nutrient uptake by nigella sativa l.
j. union arab biol. 7 (b): 397-419 (1999)
el-katony t. m., baka z. a. m., badawy a. m. and abo-el-naga s. m.
salinity-fertility interactions on the uptake and distribution of ca and mg in linum usitatissimum l. and hibiscus cannabinus l.
(1998). egypt. j. bot. 38: 223-240
el-katony t. m.
differences in salt tolerance of two zea mays hybrids
bull. fac. sci. mans. univ. 22: 1-20 (1995).
el-katony t. m.
potentiality of azolla filiculoides lam. for nitrogen fixation and its use as a nitrogen fertilizer for rice
egypt. j. bot. 36: 109-128 (1996)
badawy a. m., el-katony t. m., serag m. s. and mousa m. a.
effects of lime, nitrogen fertilization and va-mycorrhizal fungi on growth, metabolic activities and nutrient content of soybean grown in sterilized soil
egypt. j. bot. 36: 17-36 (1996)
abdel-fattah g. m. and el-katony t. m.
Effect of salinity on the growth and ionic relations in vicia faba
(1986) Bull. Fac. Sci. Mans.Univ. 13: 51-72,
.Abbas M. A., Younis M. E. and El-KatonyT.M
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