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Irrigation and Melioration

Abstract

Abstract The paper indicates results of irrigation technology along parts of furrow and its impact on yield of upland and fine stapled cotton varieties by growing as a main crop and in stubble. In research on the condition of takyr soils with mechanical composition of light, medium and coarse, it was investigated that irrigating with the rate of 0.45-0.55 l s-1 three in four part of furrow, then decreasing it till 0.22-0.27 l s -1, the irrigation rate decreased twice 0.12-0.15 l s -1 by reaching water the end of furrow which provided wetting the soil layer smoothly along the furrow length. It was observed intensive growth, development and fruiting of upland variety Bukhara-102 (3.90 t ha -1) and fine stapled cotton variety Termez-49 (3.93 t ha -1). While growing cotton varieties Bukhara-6, Bukhara-8 in stubble the highest yield was obtained 2.91-3.07 t ha-1 on the 30-70 m length of furrow in Surkhan- Sherabad valley.

First Page

9

Last Page

11

References

1. Улуғмуродов Д. Ҳар қатраси қадрли. // Рўзнома Халқ сўзи. – Тошкент, 2015 йил 21 март. - №56 (6239). – Б. 4. 2. Авлиёқулов А.Э. “Мамлакатимиз деҳқончилик тизими истиқболлари”. Монография. - “NISHON NOSHIR” нашриёти., - Тошкент., - 2015., - б. 1-600. 3. Шамсиев А.С. Қатор орасини мулчалаб суғориш орқали ғўзанинг сув истеъмолини мақбуллаштириш. //Док- торлик диссертацияси автореферати. – Тошкент, 2015., -б. 1-22. 4. Israelsen, O.W. 1932. (1st Edition). Irrigation Principles and Practices. John Wiley, New York. 5. Levidow, Les, et al. «Improving water-efficient irrigation: Prospects and difficulties of innovative practices.» Agricultural Water Management 146 (2014): 84-94. 6. Дала тажрибаларини ўтказиш услублари. ЎзПИТИ, Тошкент, 2007., - б. 1-146.

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