| Effect of planting date, N and P application levels on seed index, lint percentage and technological characters of Giza 80 cotton cultivar. AS El-Debaby, GY Hammam, MA Nagib | 24 | 1995 |
| Effect of planting date, N and P application levels on the yield of Giza 80 cotton cultivar. AS El-Debaby, GY Hammam, MA Nagib | 15 | 1995 |
| Effect of nitrification inhibitor (nitrapyrin) and nitrogen level on growth and yield of maize (Zea mays L.). GY Hammam | 12 | 1995 |
| Maize hybrids yield potential as affected by plant population density in Qalyubia, Egypt ME Sidi, AA El-Hosary, GY Hammam, EM El-Gedwy, AAA El-Hosary Bioscience Research 16 (2), 1565-1576, 2019 | 9 | 2019 |
| Wheat lodging and yield in response to cultivars and foliar application of paclobutrazol MFT Zenhom, GY Hammam, SAS Mehasen 4 th International Conference on Biotechnology Applications in Agriculture …, 2018 | 9 | 2018 |
| Effect of some bio-regulators on growth and yield of some wheat varieties under newly cultivated land conditions AA El-Hosary, GY Hammam, A El-Morsi, EA Hassan, ME El-Awadi, ... New York Sci. J 6 (6), 1-11, 2013 | 9 | 2013 |
| Effect of irrigation intervals and nitrogen fertilizer rates on flax yield and some anatomical manifestations EMM El-Gedwy, GYM Hammam, SAH Allam, SHA Mostafa, KSS El-Shimy Menoufia Journal of Plant Production 3 (1), 1-19, 2018 | 7 | 2018 |
| Differential growth and yield response of some maize genotypes to nitrogen fertilization. SE Shafshak, GY Hammam, SM Amer, FAE Nofal | 7 | 1994 |
| Flax yield potential as affected by irrigation intervals and nitrogen fertilizer rates KSS EL-Shimy Annals of Agricultural Science, Moshtohor 55 (4), 817-824, 2017 | 6 | 2017 |
| Response of white maize hybrids to plant densities and nitrogen fertilizer rates ESMM El-Gedwy Annals of Agricultural Science, Moshtohor 57 (2), 333-350, 2019 | 5 | 2019 |
| Effect of farm yard manure, mineral N and P fertilizer on wheat yield. SE Shafshak, GY Hammam, SAS Mehasen, SAH Mohamed | 5 | 2003 |
| Effect of planting date, N and P application levels on growth characters of Giza 80 cotton cultivar. AS El-Debaby, GY Hammam, MA Nagib | 5 | 1995 |
| Straw, seed yield and quality of three Linum usitatissimum L. cultivars in relation to nitrogen fertilizer rate and plant density ESMME Gedwy, GYM Hammam, SAH Allam, SHA Mostafa, KSSE Shimy Asian Journal of Advances in Agricultural Research 14 (4), 8-29, 2020 | 4 | 2020 |
| Response of maize yield to nitrogen fertilization and foliar spray by some microelements AIS Gharibi, GYM Hammam, MEM Salwau, SAH Allam, EMM El-Gedwy Journal of Plant Production 7 (5), 455-463, 2016 | 4 | 2016 |
| Irrigation regimes and nitrogen fertilization effect on sugar cane yield and its components IH EL-GEDDAWY, SE SHAFSHAK, G HAMMAM, A EL-SHAFAI Egyptian Journal of Agricultural Research 82 (4), 1721-1732, 2004 | 4 | 2004 |
| Growth and yield of maize (Zea mays L.) as affected by N source and time of application. GY Hammam | 3 | 1995 |
| Nitrogen use efficiency of some maize genotypes. SE Shafshak, GY Hammam, SM Amer, FAE Nofal | 3 | 1994 |
| Estimate of combining ability in 9x9 diallel crosses of maize at two locations AA El Hosary Annals of Agricultural Science, Moshtohor 60 (2), 373-384, 2022 | 2 | 2022 |
| Response of some wheat cultivars to some organic and mineral nitrogen fertilizer levels AA El-Hosary, GYM Hammam, EMM El-Gedwy, MEE Sidi Journal of Plant Production 6 (9), 1517-1529, 2015 | 2 | 2015 |
| Use efficiency of mineral and organic nitrogen in six maize genotypes SE Shafshak, GY Hammam, SA Mehasen, S Aish Annals of Agric. Sci., Moshtohor 47 (3), 199-213, 2009 | 2 | 2009 |
