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影响夏玉米产量的因素很多,但主要是夏玉米施肥的数量、方法、时间、肥料种类。因此,科学施肥是夺取夏玉米高产的重要措施。夏玉米是我市的主要秋粮作物,近几年种植面积达25万公顷,产量常年一直徘徊在8150千克/公顷。制约商丘市夏玉米产量提高的主要原因之一就是该市部分农民在夏玉米施肥上存在许多误区。
Many factors affect the yield of summer maize, but mainly the amount of summer maize fertilization, methods, time, type of fertilizer. Therefore, scientific fertilization is an important measure to seize the high yield of summer maize. Summer maize is the main autumn crop in the city. In recent years, the planted area has reached 250,000 hectares and the annual output has been hovering at 8,150 kg / ha. One of the main factors restricting the increase of summer maize production in Shangqiu City is that some farmers in the city have many misunderstandings on summer maize fertilization.