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在农业种植业结构调整中，秦皇岛市抚宁县留守营镇农技站针对种植单茬玉米效益低的实际情况，经过几年的摸索，总结出年种一茬春玉米改为上茬种植豌豆下茬种植甜玉米成功模式。上茬豌豆平均亩产250 kg，获利500元；下茬甜玉米平均亩产750 kg(青棒)，获利750元，年纯收入700～80
In the structural adjustment of agricultural planting, Qinlingdao Funing stay behind the town of Agricultural Technology Station for planting monocropping corn actual situation of low benefit, after several years of exploration, summed up the crop of a spring corn into the previous crop planting peas Cropped sweet corn success model. The average yield of peas in the previous crop is 250 kg and the profit is 500 Yuan. The average yield of sweet corn in the next crop is 750 kg (green bar), profit is 750 Yuan, annual net income is 700-80