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化控试验结果表明,控旺膨大素以65d和80d各喷1次产量最高,比不喷施增产14.7%,薯干产量增产28.7%;移栽后80d喷施药次之,比不喷施增产8.4%,薯干产量增产3.9%。喷施3次的产量最低。
The results of the chemical control test showed that the controlled-bloom was the highest in every spraying for 65d and 80d, the yield was 14.7% higher than the non-spraying and the dry yield was 28.7% An increase of 8.4%, potato output increased by 3.9%. Spraying 3 times the lowest yield.