1. "The Nature of Soil Deterioration in Egypt" by
David S. Gracie, Mahfouz Rizk, Ahmed Moukhtar and
Abdel Olamid I. Moustafa.
Bull., No. 148 Technical and Scientific Service,
Ministry of Agriculture, Egypt. (1954) . ||
2. "An Analysis of the Factors Governing the Response
to Manuring of Cotton in Egypt`' by David S. Gracie
and Fahmy Khalil in collaboration with Hussein Enan.
Bull., No. 152 Technical and Scientific Service,
Ministry of Agriculture, Egypt (1955) . ||
3. "Les effets du sol, de la season et de la fumure sur
la veget at ibn et le rendement du Cotonnier"
Bulletin de l'Union des Agriculteurs d 'Egypte, Mars
1939, No. 501. a«.
Translation (by R. Aladj) of a lecture given by
D. S. Gracie to the members or the Real Estate
Association for Egypt in Alexandria on the 14th March,
1939 ||
4. "The Quantity, Distribution and Composition of the
Organic Matter and Available Nitrogen in Egyptian Soils"
by David S. Gracie and Fahmy Khalil. Bull., No. 222
Technical and Scientific Service, Ministry of Agriculture
Egypt (1959) ||
5. "Dibble- Sowing of Cotton Methods, Effects and Profits"
by David S. Gracie and W. Lawrence Halls.
Bull., No. 229 Technical and Scientific Service,
Ministry of Agriculture, Egypt (1959) ||
6. "The Organic Content of Soils of the Middle East"
by David S. Gracie.
Proceedings of trie Conference on Middle East Agricultural
Development, p. 107, (1944) ||
7. "Evaluating the Effects of Nitrogenous Fertilisers by
combining Statistical and Agronomic Data" Dy W.
.Lawrence Balls, David S. Gracie and Fahmy Khalil.
Bull., No. 249 Technical and Scientific Service,
Ministry of Agriculture, Egypt (1948) ||
8. "The Total and Available Phosphoric Acid in Egyptian
Soils and the Effect of Superphosphate on the Main
Agricultural Crops" by David S, Gracie and Fahmy
Khalil, Bull, No, 251 Technical and Scientific
Service, Ministry of Agriculture, Egypt (1948) ||
9. "An Analysis of the Factors Governing the Response
to Manuring of Cotton in Egypt, (Continued) by
David S, Gracie in collaboration with Hussein Enan,
Bull, No, 152 Technical and Scientific Service,
Ministry of Agriculture, Egypt (19 9
