Abstract
The study examines the influence of drying and cleaning operations on the fiber-quality profile of machine-harvested Andijan-35 cotton, with emphasis on High Volume Instrument (HVI) indicators. The paper combines: (i) published evidence on the response of machine-harvested cotton to moisture control and mechanical cleaning; (ii) HVI 900-SA anchor data supplied for Andijan-35; and (iii) a clearly identified calculated comparative dataset used to design the stage-wise experimental analysis for machine-harvested material. The evaluated HVI parameters include upper-half mean length (UHML), uniformity index (Unf), short fiber index (SFI), micronaire (Mic), elongation (Elg), strength (Str), reflectance (Rd), yellowness (+b), trash code (Trash), trash particle count (Cnt), and trash area (Area). Published research indicates that machine harvesting generally increases foreign matter loading and therefore increases the need for cleaning, while excessive drying and aggressive cleaning can reduce length and uniformity and increase short-fiber content. The supplied Andijan-35 HVI anchors show that the forked-peg cleaning variant reduced Trash from 4.6 to 4.0, Cnt from 10 to 8, and Area from 0.8% to 0.4% relative to the selected conventional 1XK row, while Unf, SFI, Str, and Rd remained favorable. The paper proposes a stage-wise protocol for validating these tendencies specifically for machine-harvested Andijan-35 cotton