１大豆的光周期大豆是短日照作物，就是说在一昼夜的光照和黑暗的交替中，大豆需要连续黑暗时间相对较长、光照时间相对较短的作物。在长黑暗和短光照条件下，大豆开花提早，生育期变短；反之，在短黑暗或长光照条件下开花推迟，生育期变长。在生长发育的一定时期，不同品... Soybean’s photoperiod Soybean is a short-day crop, meaning that during a day and night light and dark alternation, soybeans require crops that have a relatively long duration of darkness and a relatively short light duration. In long dark and short light conditions, soybean flowering earlier, shorter growth period; the other hand, in the dark or long light conditions, delayed flowering, growth period longer. In a certain period of growth and development, different products ...