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统计分析表明,宝鸡市油菜的产量与1月份的气温成正相关,与5月的气温成负相关。近年1月份平均气温、最低气温和极端最低气温分别上升0.82℃、0.94℃和0.78℃。5月份气温略有下降。因气温变化宝鸡市油菜适宜种植区有西移趋势。
Statistical analysis showed that the yield of rapeseed in Baoji City was positively correlated with the temperature in January and negatively correlated with the temperature in May. In recent years, the average temperature, the minimum temperature and the extreme minimum temperature in January rose by 0.82 ° C, 0.94 ° C and 0.78 ° C respectively. The temperature dropped slightly in May. Due to temperature changes in Baoji City rape suitable planting areas have a tendency to move west.