Results of comparation tests with biopotash fertilizer have shown that root yield, sugar content, sugar yield increased14%,0.5% and15%, root? rot has decreased10.8% than CK, it is a economical and pratice measure.

• 甜菜施用生物钾肥对比试验结果显示，根产量、含糖率、产糖量分别比对照提高14%250.；5度和15%25根腐病发病率比对照降低10