1- Atteaded the annual coference of American Society of Agronomy, Leuisiana state, Neo Orleans, from Nov. 30- Dec. 5. 1986 G.
2- Participatia in the third conference of Desert Studies Towards 2000, Organized in Nov. 30 – Dec. 4- 1999, by Prince Sultan Center, For Researches of Environment, water, and Desert, King Saud University, Riyadh. Saudi Arabia, with reseach paper entitled “Breeding the faba bean. (Vicia faba) for environment of Centeral Region of Saudi Arabia”
1- Participation in 31th meeting of Arizona – Nevada Academy of Science, held in Flagstaff, Arizona, in 18/4/1987G, Presented a paper entitled “ The relative influences of moisture and nitrogen fertilizer on sorshum development for grain and Forage production under double cropping”.
2- Attended the 13th Saudi Biological Society Sypnposium, Feb 11-31, 1992, held at College of Agriculture and Veterinary Medicine, King Saud University Qassim Branch.
3- Attended the first Scientific Saudi Symposium on Controlled Enviroment of Agriculture, Feb 25-27. 1992, held at College of Agriculture, King Saud University, Riyadh.
4- Attended the 14th symposium of Saudi Biological Society, 16-18/2/1993, held at Faculty of Metrology, Environment and Arid land’ Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia.
5- Participation in 15th symposium of Saudi Biological Society, 29-31/3/1994. Held at College of practical Sciences, Umo algora University, Mecca, presented aresearch paper entitled “Effects of Cycocel rate and Time of Application on Performance of Two Bread wheal Cultiars”.
6- Attended the first Desert studies symposium, Aug. 2-4/ 1994, Orgganized by Prince Sultan Center for Research of Environment, Water and Desert, Riyadh, Saudi Arabia.
7- Attended the Second Saudi Symposium for Food and Nutrition, Nov. 7-10/1994, Organized by Department of Food and Nutrition, College of Agriculture, King Saud University, Riyadh, Saudi Arabia.
8- Participation in 16th Symposium of Saudi Biological Society, Mar. 21-23, 1995, held at College of Science, King Saud University, Riyadh, Presented two researches paper. 1-Entitled “Genotype – Environment Interaction in Soybeam: 1- Effects on vegetative and Reproductive duration”. 2- Entitled “ Evaluation of some grain sorgham entries (sorghum bicolor) under the environmental condition of Central Region, Riyadh, Saudi Arabia”.
9- Attended the 17th Symposium of Saudi Biological Society, May 28-30/1996, held at College of Agriculture and Veterinary Medicine, Qassim Branch, King Saud University, Riyadh, Saudi Arabia.
10- Participation in the First Saudi Symposium for Agricultural Sciences, Mar. 25-27/1997, held at College of Agriculture, King Saudi Arabia. Riyadh, presented a research paper entitled “Effect of plants dates and seeding rates on some Barley Genotypes Grown Under the condition of Central Region of Saudi Arabia”.
11- Attended the 18th Saudi Biological Society Symposium, Feb. 24-26/1998 held at the Royal Commision for Jubail and Yanbu AL-Sinayaiya, Yanbu, Saudi Arabia.
12- Attended the Saudi symposium for Growing Halophyte plants. Apr. 20-22/1988, held at King Abdeulaziz City for Science and Technology, Riyadh, Saudi Arabia.
13- Attended the 19th Saudi Biological Society Symposium, Feb. 16-18/1999, held at College of Sciences, King Absulaziz University, Jeddah, Saudi Arabia.
14- Attended the Agricultural session entitled “Agricultural Development During 100 years” Oct. 25-26/1999, held at College of Agricultural. King Saud University, in part of the activities of the biggest University symposium organized for the occation of commemorating 100 years of the foundation of the Kingdom of Saudi Arabia.
15- Attended the 20th Saudi Biological Society symposium, Feb. 1-3/ 2000 held at College of Veterinary medicine and Animal Resource, King Faisal University, AL-Hassa, Saudi Arabia.
16- Attended the first meeting of the Saudi Society of Agricultural Sciences, Feb. 9/2000 held at College of Agricultural, King Saud University, Riyadh, Saudi Arabia.
17- Attended the first Session for forestry preservation entitled “ Towards National Project for Plantation of Coal Trees in Saudi Arabia., Feb. 20th/2000, Organized by the National Commision for Wild Life Conservation and Development, Riyadh. Saudi Arabia.
2) Other Activities:
A) Membership of Scientific Associations:
1- Member of American Society of Agronomy, Madison, Wisconson, U. S. A., Since 1981 until now.
2- Member of Saudi Biological Society, King Saud University, Riyadh, Saudi, Since 1991G until now
3- Member of Saudi Society of Agricultural Sciences, King Saud University, Saudi Arabia, Since 1999 until now.
1- Member of the Graduate student committee of Department of plat production, College of Agriculture, since 1995 until now.
2- Chairman of the following up the M. Sc and Ph. D students studying at the abroad and the distingshed students Committee of plant production Department, College of Agriculture, King Saud University, since 1996 up to 1999 G.
3- Chairman of Social Committee of Department of plant production, College of Agriculture, King Saud University, since 1988 until now.
4- Member of the committee formed for determination the Suitable job areas in the specialization of plant production Department (1997/1998).
5- Member of the supervising committee (Assistant Advisor) for M. Sc. Thesis of Graduate student (Abdu AL- Rahman, Abdullah Othman AL- Sugair) in Plant Production Department (1994-1996G), thesis title “ Effect of raw spacing and cutting Numbers on seed Production of Alfalfa”.
6- Member of the supervising committee (Assistant Advisor) for M. Sc. Thesis of Graduate student ( Rashid Abdullah. AL. Khathlan) in Plant Production Department, (1996- 1999G), thesis title “ Evaluation of some faha bean lines and the effect of sowing dates and row spacing on their productivity in the central Region of Saudi Arabia”.
7- Member of the Discussion committee for M. Sc. Thesis of Graduate Student (Abdul- Allah Abdullah Sharid)In Plant Production Department (1999G)thesis title “ Comporision Evaluation Methods for Drought Tolerance in Wheat”.
8- Head of Supervising Committee of M. Sc. Thesis of Graduate student (Mohammad Mansour AL-Quotaim) (1998-2000G). thesis title “ Effect of Sowing Dates and Densities On Growth and Production of Sugar Beet (Beta Vulgaris L.)”.
9- Head of Supervising Committee for the Plant Production Department graduate student (Nasser Bakheet AL- Merry), the research Subject title “ Effect of Irrigation Periods and Row Spacing on the growth and production of some imported Peanut Varieties Grounder the comdition of Riyadh Region, since 1998G until now.
1- Member of Plant Production Department Council, College of Agriculture, since 1989 G until now.
2- Member of College of Agriculture council (1994).
3- Member of Agricultural Research and experimental station Board (1990/1991 – 1991/1992).
4- Member of Agricultural Research Center Council, (1992/1993 – 1993/1994). ___________
3) University and Community Service:
1- Public consultation through the Department of Plant Production.
2- Evaluation of research proposals and reports for King Abd-Al – Aziz City for science and Technology.
3- Refree – Saudi Biological Society Journal.
4- Evaluation of the Proposal of Gizan Agricultural Company.