Prominent scientist in soil science, ecology, botany, general agriculture and nature conservation, doctor of agricultural sciences, professor, academician (1952), honored scientist (1977), laureate of the Azerbaijan SSR State Prize (1978) Hasan Alirza oglu Aliyev Azerbaijan Academy of Sciences Soil Science and Deputy Director for Scientific Affairs at the Institute of Agrochemistry and Senior Lecturer at the Azerbaijan Pedagogical Institute (1944-1949), Director of the Azerbaijan AS Botany Institute (1949-1952), First Deputy Minister of Agriculture of Azerbaijan and Secretary of the Central Committee of the Communist Party of Azerbaijan (1952), He was the academic secretary of the AS of Azerbaijan (1952-1957), the head of the laboratory at the Institute of Soil Science and Agrochemistry (1957-1967). From 1968 until the end of his life, he worked as the director of the Azerbaijan AS Geography Institute, which now bears his name. Founder and chairman of the Society of the Nature Protection Committee of the Republic of Azerbaijan and president of the Azerbaijan Geographical Society (1975-1990), chairman and member of a number of problem councils on geographical sciences, editor-in-chief of the "Nature of Azerbaijan" collection (since 1975), member of the Supreme Soviet of the Azerbaijan SSR ( 10-11th convocation) was a deputy.

    H.A. Aliyev made a great contribution to the preparation of the geography of forest lands, the Republican land map and the International Biological Program in Azerbaijan. His monograph on the protection of nature and the environment "The Sound of Alarm" (1976, 1982) is still relevant today. H.A. Aliyev also wrote "Soils and Prospects of the Pirsaat Plain" (1940),“Почвы низовый рек юго-восточного склона Большого Кавказа” (1948), “Почвы Азербайжанской ССР” (1953), “Коричневые лесные почвы” (1965), “Прикуринские тугайные леса Азербайджана” (1975), “Почвы Большого Кавказа” (1979).