Yet high tariffs on imported sugar, to the benefit of America's beet and cane farmers, have also helped to promote HFCS.

然而，为了施惠于美国种植甜菜和甘蔗的农民，便对进口砂糖征收高额关税的做法也刺激了高果糖玉米糖浆的生产。

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The effect of five N levels on root yield and sugar content and production of sugar was studied with one beet variety, in order to select the best N level for high yield and high sugar content.

本试验主要是研究同一甜菜品种在五种氮素水平处理下对甜菜的块根产量、含糖率、产糖量的影响，寻求获得高产高糖的最佳施用氮素水平。

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Since high degree of sugar beet self-incompatibility, it often leads to loss of fine individual genotype, and is hard to keep good breeding material for breeding.

由于甜菜的高度自交不亲和性，常导致优良植株基因型的丢失，给优良育种材料的保存带来了很大的困难。

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