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棉花的产量在形成过程中,既受遗传和自然环境的影响,又受栽培措施的制约。特别是后者,可使同一品种在同一年型条件
The production of cotton in the formation process, both affected by the genetic and natural environment, but also by cultivation measures constraints. Especially the latter, can make the same variety in the same year type condition