棉花“两无两化”(无土育苗和无载体裸苗移栽,简称两无;育苗工厂化和移栽机械化,简称两化)栽培新技术是营养钵育苗移栽的替代技术,本技术是在国家“十五”科技重大项目。按照农业新技术试验、示范和推广三步走的正确步骤,2003～2004年完成了小试和初试,2005年进入扩大示范阶段, Cotton “two no two” (soilless nursery and carrier-free nude seedling transplanting, referred to as two no; nursery factory and transplanting mechanization, referred to as two of the) cultivation of new technology is nutrition bowl transplanting alternative technology, the technology Is in the country “Tenth Five-Year” major projects of science and technology. In accordance with the correct steps of experiment, demonstration and promotion of new agricultural technologies in three steps, a small pilot and a preliminary test were completed in 2003-2004 and an enlarged demonstration phase in 2005,