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1示范材料与方法1.1示范材料试验材料:耐密型吨田宝,哈尔滨大田丰源农业科技开发有限公司生产。试验作物及品种:玉米品种先玉335。1.2示范设计示范采取大区对比法,设3个点次,每点设处理区1.33hm2和对照区0.13hm2。1.2.1处理区玉米8~9片叶时,用吨田宝450mL/hm2对水300kg/hm2,用背负式电动喷雾器均匀喷雾。
1 Demonstration Materials and Methods 1.1 Demonstration Materials Test Materials: Dustproof type Tian Tandao, Harbin Daejeon Fengyuan Agricultural Science and Technology Development Co., Ltd. production. Experimental crops and varieties: corn varieties Xiangyu 335.1.2 Demonstration Demonstration model to take a large area contrast method, set 3 points, each point of the treatment area 1.33hm2 and the control area 0.13hm2.1.2.1 processing area corn 8 to 9 pieces Leaves, with tons Tianbao 450mL / hm2 on the water 300kg / hm2, with a knapsack electric sprayer uniform spray.