Abd Allah, Mohamed Mahmoud.

Physiological studies of the effect of nitrogen level and irrigation frequency under different planting dates on growth and yield of cotton [microform]/ دراسات فسيولوجية عن أثر المعدل السمادى الأزوتى و فترات الرى تحت مواعيد زراعة مختلفة على نمو و محصول القطن. Mohamed Mahmoud Abdallah. - 1976. - 249,32Leaves: ill.; 30 cm.

Thesis (Ph.D.)--Cairo University,1976.

Includes bibliographical references (leaves 247-249)


Microfiche.
Cairo,Egypt:
ASUNET,
5 microfiches:negative.


Summary in Arabic.


Cotton--Irrigation.
Cotton--Fertilizers.
Cotton--Planting time.
Cotton--Growth.
Cotton--Yield.
Nitrogen fertilizers.