##plugins.themes.academic_pro.article.main##
Abstract
The research was carried out in order to study the importance of nitrogen and phosphorus fertilizers on the growth and development of plants, various forms of nitrogen fertilizers and the degree of phosphorus supply to the soil on the physicochemical properties of the cell sap of whitish wormwood leaves. It was revealed by authors that while cultivating whitish wormwood, the most effective form of nitrogen fertilization is urea, the main dose of which is applied to the soil in the phase of 3-4 true leaves. However, due to its slow action during this period, it is advisable to introduce 33% of the annual nitrogen norm in the form of ammonium nitrate. And changes in the values of pH, Eh and rH2 indicators during the growing season largely depend on the forms of nitrogen fertilizers used.
Keywords
##plugins.themes.academic_pro.article.details##
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
References
- Abzalov А.А., Abdullaev А.К. Influence of air temperature on the physicochemical properties of the cell sap of cotton leaves // The Agricultural Meteorology Issues. Collection of articles of SARNIGMI named after V.A. Bugaev. Vol.121 (202). Moscow: Gidrometeoizdat,1986. p.22.
- Abzalov А.А., Khamroyev N.B., Djabbarov А.N. Effect of nitrogen and phosphorus fertilizers on the physicochemical properties of the juice of nail pollen cells // «Soil science and agrochemistry in the XXI century» International scientific-practical conference. Part II. Toshkent.2004. P.468.
- Abzalova А.А., Tretyakov К.G. Investigation of pH, Eh and rH2 values in some winter-vegetating plants DАS Uz SSR, 1973, № 4, p.80.
- Аbzalov А.А. Usage of various forms of nitrogen fertilizers by agricultural and medicinal plants and their significance in reducing environmental pollution. // Joural: Agrarian Science of Uzbekistan № 3, 2009. Pp.26-28.
- State Pharmacopoeia. Vol.. 1. General methods of analysis.М.: The medicine, 1987. p. 295.
- Abzalov А.А., Ergashev А., Kariev А., Berdiev Z., The usage of slow-acting nitrogen fertilizers in agriculture in order to obtain environmentally friendly products and reduce environmental pollution. J. “Agroscience” 2010 . № 1. p. 56.
- Abzalov А.А., Belolipov I.V., Rakhimova T., Akhmedov U.A., Zakirov S.Kh., Shamyanov I.D., Ashirbekov I., Khasanov B., Kholmurodov E., Islamov “ARecommendations on the cultivation technology of whitish wormwood (Artemisia leucodes Schrenk) producing biologically active terpenoids used in medical practice.”ООО «COLORIT GROUP», Tashkent, 2011, pp.1-22.
- Abzalov A.A., Zakirov S.Kh., Shamyanov I.D., Akhmedov U.A., Kholmurotov M., Yulchiyeva М.Т., Islomov А. Influence of various forms of nitrogen fertilizers and the degree of soil phosphorus supply on the biosynthesis of photosynthetic pigments in the leaves of Artemisia leucodes Schrenk.// J. Agrarian Science of Uzbekistan. №3, Tashkent, 2009
- Mangazbayeva G.Z., Abdurakhmonova M.A., Adekenova S.M. Biology of germination of wormwood seeds.// Collection of articles: «Science and education are the leading factor of the strategy. Kazakhstan - 2030». Karaganda, 2000. pp. 601-602.
- Shamyanov I.D., Zakirov S.Kh., Abzalov A.A., Islomov A., Toderich K.N. Artemisia lеucodes Schrenk promising species of wormwood for introduction into the desert and semi-desert zones of Uzbekistan
- Materials of the Republic scientific-practical conference on the problems of efficient use of land resources in the agricultural sector, improving their biological, ecological and reclamation status, Gulistan city. 2009, pp.207-209.
- Suleymanov I.GStructural and physical properties of protoplasm and its components in connection with the problem of frost resistance of cultivated plants. Kazan University Press.1964. p. 126.