Abstract:
With the use of resource-saving agricultural technology, using a new combine unit, once in the fall, nitrogen was applied at 50% of the annual rate of nitrogen 200% in liquid ammonia and the remaining 50% in the form of cotton ammonium nitrate. In the series and double-planted variants, the planting thickness of the cotton was greater than 1.2-5.9 thousand tons per hectare compared to the other variants of the system. 0.4 c / ha, yielding an additional yield of 4.1-5.9 c / ha compared to the control options and achieving maximum economic efficiency. Net profit from this option is 2079,1-2793.7 thousand sum, profitability rate is 52.3-68.4%, net profit per control option is 1127,7-1569,3 thousand sum, profitability rate is 29,1% up to 38.8%.
References
Nazarov R, Hasanov F, Sindarov O, Hamrakulov I. Creation of optimal thickness of saplings // Agricultural Journal of Uzbekistan. 2010. No. 3. p. 2-3.
Khasanova FM Technology of breathing. // Agricultural Journal of Uzbekistan. Tashkent 2009 No. 12. p. 5.
Yaqubjonov O. "The impact of planting thickness on the growth, development and productivity of cotton". Deepening of agricultural reforms and development of farms. (Proceedings of the Republican scientific-practical conference) Andijan 2007. p. 391.
Tursunov H. “Effects of planting thickness and thickness of sapling on Andijan-37 cotton varieties” Uzbek Agricultural Journal. 2012. No. 8. p. 23
Daspekhov B.A. Methodology polevogo opyta.- M: Agropromizdat, 1985.- 230-240 p
Methods agrofizicheski iss issov Sredney Azii / - Tashkent, ed. 4- e dopn. UzNIXI, 1973-132 p.
Methods of agrochemical analysis poch Sredney Azii /-Tashkent, UzNIXI, 1973.-135 p
Yusupov S., Haydarov A. Agrotechnics of new varieties of "Andijan-36" and "Andijan-37" of cotton. // Agricultural Journal of Uzbekistan Tashkent.2006 № 6. p. 9.
Ryzhov S.N., Kondratyuk V.P., Pogosev Yu.A. Cotton cultivation on ridges and ridges. Tashkent, fan, 1980. P.76.
Yusupov S., Haydarov A. Agrotechnics of new varieties of "Andijan-36" and "Andijan-37" of cotton. // Agricultural Journal of Uzbekistan Tashkent.2006 № 6. p. 9.