【摘要】 本文研究了增糖剂一号(MH)和增糖剂二号(AP)在甜菜增糖上应用的适宜条件。通过不同剂量、不同喷药时间、不同地点和正交试验的研究,证明MH,AP与增甘膦一样都是有效的甜菜增糖剂。MH应用的适宜条件是:剂量:66.7g/亩,浓度:0.1％,喷药时间:8月20日左右。在此条件下应用时,通常可提高甜菜含糖率0.3—1.7％,可增产1—7％。AP应用的适宜条件是:剂量:50g/亩,浓度:0.1％,喷药时间:8月20日左右。在此条件下应用时,一般可提高含糖率0.4—1.4％,可增产6—13％左右。更多还原

【Abstract】 Three chemicals were compared under different dosage, spraying time and different place. Experimental results showed: (1) sugar content was increased by 0.3-1.7%, root yield,by 1-7% when MH(maleic hydrazide) sprayed at the concentration 0.1%, on 20th August, in dosage 66.7g/mu. ( 2 ) sugar content was increased by 0.4 - 1.4%,root yield by 6-13% when AP (sugar-increase-agent II, a compound from carboxylic acid selected by the authors) sprayed at the concentration 0.1%, at the same date as MH, in dosage of 50g/mu. (L)更多还原