【摘要】 马铃薯初花期喷施B9可抑制株高 ,增加茎粗 ,促进块茎发育 ,提高产量及经济效益。B9适宜施用量为 6 75g·hm-2 (95 %可湿性粉剂 ) ,最佳喷施浓度 14 2 9mgkg-1。更多还原

【Abstract】 Application of B 9 in the initial stage of bloom of potato could inhibit the height of plant ,increase thickness of stem and growth of tuber.Hence increased the yield and income.The optimum application amount of B 9 is 675g·hm -2 (95% wettable powder).It’s density of the optimum spray value is 1425mgkg -1 .更多还原