【摘 要】
：
1989年肇源农场在3300多亩小麦上进行了叶喷硫酸锰示范,即于小麦抽穗扬花期(6月27日),亩用30克硫酸锰结合防治粘虫,与敌敌畏混合叶面喷施,取得了明显的增产效果。据调查喷锰
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1989年肇源农场在3300多亩小麦上进行了叶喷硫酸锰示范,即于小麦抽穗扬花期(6月27日),亩用30克硫酸锰结合防治粘虫,与敌敌畏混合叶面喷施,取得了明显的增产效果。据调查喷锰的小麦亩产228.2千克,未喷的181.3千克,增产25.9%。共增产粮
1989 Zhaoyuan farms 3300 acres of wheat leaves were sprayed manganese sulfate demonstration, that is, wheat heading and flowering (June 27), mu with 30 grams of manganese sulfate combined with the control of armyworms, mixed with dichlorvos foliar spray , Made a significant increase in production. According to the survey of sprayed wheat 228.2 kg of mu per mu, not sprayed 181.3 kg, an increase of 25.9%. Total production of grain
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