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中期是玉米增产的重要时期,在管理上必须抓好以下三项措施:一、重施穗肥玉米穗期营养生长和生殖生长都非常旺盛。雌雄穗分化盛期
Mid-term increase of corn production is an important period in the management must grasp the following three measures: First, re-implementation of maize spikes vegetative growth and reproductive growth are very strong. Male and female peak differentiation period