土默川地区,是我区甜菜主产区之一,也是种植甜菜最早的地区。1951年开始试种,1955年大面积推广,在甜菜种植初期,以稳产高糖著称全国。但近年来,在一些地区却出现了甜菜产量不高、含糖下降、病虫害加重的现象。为了摸清原因,1976年我们和兄弟单位共同进行了甜菜生育动态测定,简结如下。 Tumochuan area, is one of the main beet producing areas in our region, but also the earliest growing beet areas. Trial planting began in 1951 and was popularized in 1955. In the early stage of beet cultivation, it was famous throughout the country for stable and high-sugar production. However, in recent years, there have been some problems in areas such as the low yield of sugar beet, the drop of sugars, and the increase of pests and diseases. In order to find out the reason, in 1976, we jointly carried out the dynamic measurement of the growth of sugarbeet, with the following units.