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卢龙县燕河营镇严山头村,从1995年开始与遵化广野集团签定生产青首大根萝卜种植合同。为了增加经济效益,菜农采用上茬种植地膜土豆、下茬种植青首大根萝卜的复种栽培模式,一般地膜土豆亩产2000公斤,亩产值1000元,青首大根萝卜亩产6000-8000公斤(加工干萝卜条300-350公斤),亩产值1500元,两茬合计可获纯效益2000元。其栽培技术如下:
Yulong Town, Lulong County Yanshan Village, since 1995, Zunhua and wild group signed the first green shoots radish planting contracts. In order to increase economic efficiency, vegetable growers planted the mulching potatoes in the previous crop and the second cropping cultivation method. In general, the mulching potatoes yield 2,000 kg per mu, the output value per mu is 1,000 yuan, and the yield of the first large radish is 6,000-8,000 kg per mu Dried radish strips 300-350 kg), 1,500 yuan per mu output value, the two stubble total net benefit of 2,000 yuan. The cultivation techniques are as follows: