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编辑同志: 你们好！去年我从贵社的读者服务部邮购了一包美国无架豇豆试种,获得了成功。该豇豆品种高产优质,抗旱又抗病,折合667平方米产量在2700公斤左
Edit comrades: Hello! Last year I was mail-order a pack of American no-frame cowpea trials from your readership service and was successful. The cowpea varieties of high yield and quality, drought and disease resistance, equivalent to 667 square meters of output in the 2700 kg left