Background: The creation of developing new generalized classes distributions has attracted applied and theoretical statisticians owing to their properties flexibility. development distribution aims find flexibility suitability for available data. In this decade, most authors have developed that are new, become valuable researchers. Methods</n...

The article provides data that the depth of groundwater located at 2-2.5 m above sea level in moderately saline meadow-alluvial soil Bukhara region Republic Uzbekistan, which is applied agriculture immunostimulant contact and triple action - “Zerox” norms (1 2 3 l / t; 1 ha + surfactant 0.15 ha) terms (in pre-sowing treatment seeds, appearance 2-4 true leaves, budding flowering) cotton vegetati...