去年我场通过植保部门从北京农业大学购进了禾谷类和广谱两种液体增产菌,在夏菜、秋菜、水稻、青贮玉米以及大面积玉米制种田、大豆等14种作物上进行试验和应用,施用面积达1.17万亩,占粮豆作物面积的32％。其中夏菜20 Last year, through field plant protection departments from Beijing Agricultural University, I bought cereals and broad-spectrum two strains of liquid-producing bacteria. We conducted experiments on 14 kinds of crops such as summer vegetables, autumn vegetables, silage corn, and large-area corn farming and soybean Application, application area of ​​1.17 hectares, accounting for 32% of the crop area of ​​grain beans. One summer dish 20