我区由于独特的自然环境条件,南疆春季易遭遇风沙侵袭,北疆春季雨雪普遍,多数年份是倒春寒天气,对棉花出苗造成较大威胁。种子活力测定最重要的目的是预测种子批播入田间后的生产性 Due to the unique natural environment in our region, the southern Xinjiang is prone to the sandstorms in the spring. The rain and snow in the northern Xinjiang are common and most of the years are in the late spring and cold weather, posing a greater threat to cotton sprouting. The most important purpose of seed vigor determination is to predict the productivity of seeds after they are sowed into the field