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 Winter Wheat is an important cereal crop for the population of 
Uzbekistan.  The  objective  was  to  study  the  effect  of  different  sowing  dates, 
irrigation   regime   and   various   levels   of   fertilization   on   the   growth   and 
development of Asr cultivar of winter wheat. The experiment was conducted on 
the  field  №119  of  the  Dildora-Bojimon  farm  of  Yangibazar  district  of  the 
Khorezm region during 2014-2016. Statistical analysis of the data showed that 
different  sowing  dates,  irrigation   regime   and   fertilization   levels     had   a 
significantly affected on plant height (cm), number of total tillers and number of 
productive tillers m-2 of winter wheat.  

  • Ўқишлар сони 201
  • Нашр санаси 01-01-2018
  • Мақола тилиIngliz
  • Саҳифалар сони57
English

 Winter Wheat is an important cereal crop for the population of 
Uzbekistan.  The  objective  was  to  study  the  effect  of  different  sowing  dates, 
irrigation   regime   and   various   levels   of   fertilization   on   the   growth   and 
development of Asr cultivar of winter wheat. The experiment was conducted on 
the  field  №119  of  the  Dildora-Bojimon  farm  of  Yangibazar  district  of  the 
Khorezm region during 2014-2016. Statistical analysis of the data showed that 
different  sowing  dates,  irrigation   regime   and   fertilization   levels     had   a 
significantly affected on plant height (cm), number of total tillers and number of 
productive tillers m-2 of winter wheat.  

Ўзбек

 Ушбу изланишнинг мақсади Хоразм вилояти шароитида 
кузги  буғдой  Аср  навининг  ўсиш  ва  ривожланишини    ҳар  хил  экиш 
муддатлари,  суғориш  тартиблари  ва    ҳар  хил  ўғит  меъёрларига  боғлиқ 
ҳолда  ўзгариши  таҳлил  этиш  ва  ўрганиш.  Дала  тажрибаларини  Хоразм 
вилоятининг  Янгибозор  тумани  «Дилдора-Божимон»  фермер  хўжалиги 
№119  контур  рақамли  ер  майдонида    2014-2016  йилларда  ўтказилди. 
Статистик  тахлил  натижаларига  кўра  хар  хил  экиш  муддатлари,  суғориш 
тартиблари  ва  ўғит  меъёрлари   кузги  буғдойнинг  бўйига,  умумий  ва 
маҳсулдор поялар сонига сезиларли таъсир кўрсатади. 

Русский

 Цель  нашего  исследования  явилось  на  основе  изучения 
влияние разных сроков посева, режима орошения и разных доз удобрений 
на  рост  и  развитие  сорта  Аср  озимой  пшеницы  в  условиях  Хорезмской 
области.   Эксперимент   проводился   на   поле   №119   фермы   Дилдора-
Боджимон Янгибазарского района Хорезмской области в 2014-2016 годах. 
Статистический  анализ  данных  показал,  что  различные  даты  посева  , 
режим орошения и дозы удобрения оказали значительное влияние на рост 
растения (см) и на количество  общих и продуктивных стеблей на 1 м-²

Муаллифнинг исми Лавозими Ташкилот номи
1 Sotipov G.M. doctor of agricultural sciences, prof, Faculty of Natural science UrDU
2 Gandjaeva L.A. PhD student, Department of Soil Science, Faculty of Natural science UrDU
Ҳавола номи
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2 Baloch M. S., I. T H. Shah, M. A. Nadim, M. I. Khan and A. A. Khakwani Effect of seeding density and planting time on growth and yield attributes of wheat, The Journal of Animal & Plant Sciences, 20(4): 2010, pp. 239-240.
3 Dospexov, B. A. Methods of field experience / B. A. Dospexov. – M., 1985, pp.356
4 Fazal M., Muhammad A., M.T. Jan, Kawsar A., M.J. Khan Influence of sowing dates on phenological development and yield of dual purpose wheat cultivars Pak. J. Bot., 47(1): 2015, pp.83-88
5 Khan, M.I., M. Tila, F. Subhan, M. Amin and S.T. Shah. Agronomic evaluation of different bread wheat (Triticum aestivum L.) genotypes for terminal heat stress. Pak. J. Bot. 39(7): 2007, pp.2415-2425
6 . Mejahed K. El, Aouragh I. Green Manure and N Fertiliser in Soil Quality and Profitability of Wheat Based System in Semiarid Morocco Using Nuclear Techniques. In: Management of Nutrients, Water in Rainfed Arid, Semi-arid Areas for Increasing Crop Production. IAEATECDOC-1468, 2005, pp. 89–106
7 Ngwako S., Mashiqa P. K. The effect of irrigation on the growth and yield of winter wheat (Triticum aestivum L.) cultivars, International Journal of Agriculture and Crop Sciences Vol., 5 (9), 2013, pp.976-982. Available online at www.ijagcs.com
8 Onyibe J. E. Effect of Irrigation Regime on Growth and Development of Two Wheat Cultivars (Triticum aestivum L.) in the Nigerian Savanna, Journal of Agriculture and Rural Development in the Tropics and Subtropics Volume 106, No. 2, 2005, pp. 177– 192.
9 Rusan M.M., Battikhi A., Zuraiqi S. Enhancement of Nitrogen and Water Use Efficiency by Optimizing the Combination of Soil, Crop and Nitrogen Management. In: Management of Nutrients and Water in Rainfed Arid and Semi-arid Areas for Increasing Crop Production. IAEATECDOC-1468, 2005, pp.155–177
10 Shirazi S. M., Zardari N. H., Yusop Z., Ismail Z., Othman F. Performance of Wheat Crop under Different Irrigation Regimes and Nitrogen Levels. A Field Experiment, Journal of Environmental Protection and Ecology 15, No 3, 2014, pp. 973–982
11 Schwarte, A.J., L.R. Gibson, D.L., Karlen, M. Liebmann and J.L. Jannink Planting date effects on winter triticale dry matter and nitrogen accumulation. Agronomy Journal.,Vol. 97.,2005, pp.1333–1341
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