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Focus on the Experience of Armenian Scientists , Kommunist No. 142, June 20, 1985,  Armenpress

The focus is on the experience of Armenian scientists  

    At the international symposium on the issues of melioration of settled soils, held in the People's Republic of China, in which scientists and specialists from Australia, the People's Republic of Hungary, the Netherlands, Iran, India, Canada, Mexico, Japan, the SFRY, the USA and other countries took part, the national meliorative Science was represented by the Director of the Research Institute of Soil Science and Agrochemistry of the Ministry of Agriculture of the Armenian SSR G. Petrosyan. His report "Express method of melioration of soda solonetzes-salt marshes" aroused the keenest interest of scientists.  US scientists. Hungary,  Yugoslavia, China and other countries.


   The participants of the symposium had the opportunity to watch a color popular science film "Renewal of the Earth", in which the frame for

the technology of chemical amelioration of solonetzic soils of the Ararat

topping up.


    “Salinization of soils in the world has taken alarming proportions—approximately 950 million hectares in various regions of our planet today are oversaturated with salts to one degree or another,” G. Petrosyan told an Armenpress correspondent. — The increasing scale of soil salinization and especially in connection with the development of irrigation are concerned in many countries of the world. That is why in each of them, depending on the soil and climatic conditions and economic opportunities, various methods of reclamation of saline soils are developed and applied in practice.  Scientists from many countries of the world gathered to exchange the accumulated experience in melioration and discuss possible ways to prevent secondary soil salinization.

    The interest of the symposium participants in the Armenian experience was largely due to the fact that gypsum, which is widely used for reclamation of malt soils, does not provide fundamental reclamation, and the gypsum process has to be periodically repeated every 8-10 years. Meanwhile, ameliorants used in Armenia, industrial wastes - spent sulfuric acid and iron sulfate provide effective melioration and   consistent  increasing the yield of cultivated crops.

    Takh, if in the first years of agricultural use of reclamation soils we received 20-25 centners of winter wheat per hectare, today we take  50-60  alfalfa yields rose from 80-70 to 150-160 centners, grapes from 60-70 to 150-200 centners per hectare, and so on for all crops. If in the republic the average cost of production per irrigated hectare varies within 1100-1200 rubles, then on each of the 200 hectares of the Institute's reclamation station it is approximately three times higher.

   These data, G. Petrosyan said in conclusion, made a great impression on the participants of the symposium, for whom it was interesting

learn that thanks to the profits received at the reclamation station, the institute has been refusing state budget funds for two years.


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