Genaidy, Said Abou-Zaid Mohamed.

Effects of water regime np zn fertilizers, and gypsum application on rice production in north delta soils [microform]/ تأثير الرى ومخصبات النيتروجين والفوسفور والزنك وإضافات الجبس الزراعى على إنتاج الأرز فى أراضى شمال الدلتا. Said Abou-Zaid Mohamed Genaidy. - 1984. - 208, 7 leaves : ill. ; 30 cm.

Thesis (Ph.D.) -- Alexandria Univesity, 1984.

Includes bibliographical references (leaves 195-208)


Microfiche.
Cairo, Egypt :
ASUNET,
4 microfiche : negative.


Summary in Arabic.


Rice--Irrigation
Rice--Fertilizers.
Soils--Gypsum content.