TY  - BOOK
AU  - Gabr,Elsaid Mohamed Awad
TI  - Effect of seed rate and nitrogen application on wheat yield 
PY  - 1988///
KW  - Wheat
KW  - Seeds
KW  - Fertilizers
KW  - Nitrogen fertilizers
N1  - Thesis (Ph.D.)-- Zagazig University, 1988; Includes bibliographical references (leaves 199-233); Microfiche; ASUNET; Ain Shams University; 4 microfiches : negative
ER  -