论文部分内容阅读
天水市位于甘肃东南部,山多川少,气候冷凉,昼夜温差大,四季分明,年降雨量100~600mm,有“甘肃小江南之称”。马铃薯为麦积区三大作物之一,常年种植面积0.33万hm2,种植面积80%为中晚熟品种,均种植在海拔超过1500m的二阴山区,随着马铃薯产业发展,种植面积逐年增加,种植水平、单位面积产量逐年提高,筛选出适宜该地域种植的优质、高产抗病新品种,进一步提高单
Tianshui is located in the southeastern Gansu, less mountainous and more Sichuan, cool climate, large temperature difference between day and night, four seasons, the annual rainfall of 100 ~ 600mm, “Gansu Xiaojiang said.” Potato is one of the three major crops in Maiji District. The perennial planting area is 0.33 million hm2. 80% of the planting area is middle-late maturing. Both are planted in the Yinshan Mountain area with an altitude over 1500m. With the development of the potato industry, the planting area has been increased year by year. Level, yield per unit area increased year by year, screened suitable for the region planting high-quality, high-yield disease-resistant new varieties and further improve the single