TY  - BOOK
AU  - Abdel Khalek,Mohamed Ismail Ismail
TI  - Nitrogen loss and uptake as affected by nitrogen application and tile drainage
PY  - 2000///
KW  - Nitrogen fertilizers
KW  - Nitrogen cycle
KW  - Drainage
KW  - Drain-tiles
N1  - Thesis (Ph.D.)--Mansoura University,2000; Includes bibliographical references (leaves 102-116); Microfiche; Cairo,Egypt; ASUNET; 3 microfiches:negative
ER  -