Impact of Irrigation and Nutrition to Andijon-36 Cotton Species Yield
Journal: International Journal of Science and Research (IJSR) (Vol.7, No. 1)Publication Date: 2018-01-05
Authors : Rajabov Nurmamat Qudratovich; Shamsiev Akmal Sadirdinovich;
Page : 1241-1243
Keywords : cotton varieties; refraktometer; leaf juice concentration; seasonal irrigation; standard ratio of fertilizer nitrogen; phosphorus and potassium; irrigation amount; soil agro-physics condition; pre-watering soil humidity; crop density; yield;
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Abstract
Researches on impact of irrigation and nutrition to Andijon-36 cotton species yield was carried out in Tashkent Region. Under the condition of typical gray soil in Tashkent Region, investigating water-fertilizer conditions, irrigation amount and duration, seasonal irrigation norms and the optimal water-fertilizer condition (nitrogen, phosphorus and potassium), prior to properly watering Andijan-36 species cotton, high quality harvests have been obtained at the rate of 27, 7-47, 9 c/ha on the average 35, 3 c/ha with the soil humidity of 65-65-60 % according to LFHC, with the leaf cell juice concentration of 9, 6-9, 8 %, at the rate of 10, 3-11, 9 % in the period of blossoming-harvesting and at 12, 0-12, 9 % in the period of ripening, using the nitrogen, phosphorus and potassium at the rate of 190-133-95 kilos.
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