棉花是我国古老栽培的作物之一,在栽培技术方面积累了一套丰富的经验。我国农民历来都十分重视棉花整枝技术。早在十三世纪时,古农书《农桑辑要》就记载着“苗高二尺以上,打去冲天心。傍枝长半尺亦打去,叶叶不空,开花结实”。以后到十九世纪《种棉实验说》中谈到:“一畦之中,棉籽均匀,南亩摘头,北亩不摘头,逐年试验,摘头者每亩多收二、三十斤……。凡不摘头之棉,梢梗易长,去地愈远,力不足而 Cotton is one of the ancient cultivated crops in China, and has accumulated a wealth of experience in cultivation techniques. Farmers in our country have always attached great importance to cotton pruning techniques. As early as the thirteenth century, Gu Nong Shu, “Nongsang digests,” records that “the seedling height is more than two feet long, and hits the skyward heart. Later to the nineteenth century, ”Cotton Planting Experiment,“ said: ”Within a while, cottonseed uniform, South acres of the first pick, North acres do not pick the head, year after year test, pick the first person per acre more than two, three pounds ... ... Those who do not pick the first cotton, tip stem easy, farther, less force