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作 者:张子丰[1,2] 王义明[1,2] 韩逢春[1,2] 付迎春[1,2] 胡凡 朴英[1,2]
机构地区:[1]黑龙江省农科院植保所 [2]黑龙江省农科院合江所
出 处:《黑龙江农业科学》1997年第6期23-25,共3页Heilongjiang Agricultural Sciences
摘 要:1995~1996年进行了莎多伏(Setof)安全性试验。结果表明:插秧田和直播田20%莎多伏水溶性颗粒剂用药量150~450g/hm2均有较好的除草效果,在安全性上,用药量250g/hm2时对水稻有一定的抑制作用。300g/hm2时抑制作用较重,与两次人工除草比减产9.6%~15.2%。建议在黑龙江省该药用量150~225g/hm2为宜。An investigation on safety of Setoff had been made during 1995 ̄1996. The result showed that Setoff controled broadleaf weeds effectively at 150 ̄450g/ha (commercial dosage) in direct sowed rice or transplanted rice fields. When the dosage of Setoff at 250g/ha, the growth of rice would be lightly inhibited, When the dosage was at 300g/ha, the inhibition was significantly higher and yield of rice was lossed about 9.6 ̄15.2% compared with that of weed control by hand. So the writer recommends that the approproate application dosage of Setoff is at 150 ̄225g/ha.
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