六十年代研究和推广了以“多留棉苗,少留果枝”为中心的植棉经验,在生产上起到一定作用。七十年代在此工作基础上进一步研究和示范以“矮化品种、矮化栽培、矮壮素”为主要内容的“三矮”高密度栽培法。实践表明:“三矮”高密度栽培,是特早熟棉区高产的 In the 1960s, the research and popularization of cotton-planting experience centering on “leaving more cotton seedlings and fewer fruiting branches” played a certain role in the production. In the seventies on the basis of this work to further study and demonstration of “dwarf varieties, dwarfing cultivation, CCC” as the main content of the “three short” high-density cultivation method. Practice shows that: “three short” high-density cultivation, is particularly precocious cotton area of ​​high yield