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Irrigation and Melioration

Abstract

Under the condition of grizzly soil in Tashkent region, investigating the level of water-fertilizer, the number of irrigation orders, the length of irrigation, seasonal irrigation levels and the proper water-fertilizer level, prior to properly watering “Анди- жан-36” species cotton trees , high quality harvests have been obtained at the rate of 27,7-47,9 c, on the average 35,3 c, with the soil humidity of 65-65-60% according to LFHC, with the 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 NPK at the rate of 190-133-95 kilos. As for the species of “С-6541” cotton trees , high quality harvests have also been obtained at the rate of 29,0-42,1 c, on the average 34,6 c, with the soil humidity of 70-70-60% according to LFHC, with the Cell Juice Concentration of 8,5-8,8%, at the rate of 10,2-11,0% in the period of blossoming-harvesting and at 12,8-12,9% in the period of ripening, using the water-fertilizer at the rate of 190; 133; 95 kilos.

First Page

13

Last Page

15

References

1. Дала тажрибаларини ўтказиш услублари. ЎзПИТИ- Тошкент, 2007.- Б. 1-147. 2. Авлиёқулов А.Э. Истиқболли ғўза навлари ва уларни етиштириш технологияси. Халқоро анжуман маърузаларининг қисқача матнлари. «Пахта мажмуидаги зироатларни етиштириш технологиясининг аҳволи ва ривожланиш истиқболла ри». ЎзҚСХВ, ЎзПИТИ, Фарғона ш, 20-22 август, 1996, 30-33 бет. 3. Авлиёқулов А.Э., Батталов А., ва бошқалар. Бухоро-6 нави парвариши. «Ўзбекистон қишлоқ хўжалиги» журнали. Тошкент, 5-сон, 2003, 11-12 бет.

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