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玉米誉为高产作物之王,我国春玉米和夏玉米亩产均超过吨粮,大面积高产田亩产在600—700公斤。据研究,施肥在玉米增产诸因素中约起25％—30％的作用。玉米高产需从土壤吸收大量的营养元
Corn is regarded as the king of high-yield crops. The output of spring maize and summer maize in our country has exceeded tons of grain. The large-area and high-yielding fields yield 600-700 kg per mu. According to research, fertilization in corn yield increased by about 25% -30% of the role of factors. High-yielding maize requires a large amount of nutrients to be absorbed from the soil