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10月份济南地区平均气温6.3℃,昼夜温差达12.5℃,据历年平均初霜期在中旬末,因此要做好防霜防寒准备。对多数喜温性蔬菜要加强前期管理,促进生长以利在霜期到来之前形成一定的产量。一、秋菜管理对于大白菜、萝卜、疙瘩、芹菜、大葱等蔬菜作物,要加强后期肥水管理。天气干旱时3至4天浇一次水、迫肥时结合浇水追施速效氮肥或三元复合肥,每次10至12公斤,根据长势施
In October, the average temperature in Jinan was 6.3 ℃, and the temperature difference between day and night reached 12.5 ℃. According to the average initial frost period in the calendar year, it should be prepared in a frost-proof and frost-proof manner. To most of the warm vegetables to strengthen the pre-management and promote growth in order to benefit the formation of a certain amount of production before the frost period. First, the management of autumn vegetables For cabbage, radish, knots, celery, green onions and other vegetable crops, to strengthen the post-fertilizer management. 3 to 4 days when the weather is droughts poured a water, when combined with watering fertilizer topdressing nitrogen fertilizer or ternary compound fertilizer, each 10 to 12 kg, according to growing potential facilities