黑龙江西部盐碱地甜菜播种期的试验

Experiment of Beet on Sowing Time Cultivated in the Saline and Alkali Land of Western Heilongjiang Province

经多年试验结果表明：甜菜的播种期与其产质量至关重要，甜菜适期早播块根单产提高10％以上，产糖量提高16％-21％，含糖率虽无大差异，但纯度却提高1-2个百分点，菜丝糖度提高1度左右。

Many years results indicated that the sowing time of beet was important to the yield and the quality. Sowing early during suitable time could increase the yield more than 10%,sngar quantity 16% -21%,althongh could not increase the sugar rate,the purity could improve 1-2 percentage points actually.