一、种前准备1、选地。选择土层较厚(1米以上)、土质肥沃、有机质含量较高、略偏碱性的地块。土质结构为上松下实,上松有利于通风透气,下实有利于扎根生长。2、耕作。均匀铺撒经过发酵处理的有机肥5000千克/亩、尿素30千克/亩、过磷酸钙80千克/亩、氯化钾25千克/亩,深耕30厘米。3、耙平起垄,垄距为80厘米,垄高为10厘米即松土层垄宽厘米采用大小行种植大 First, kind of preparation 1, the election. Select the thick layer (1 m), fertile soil, organic matter content is higher, slightly alkaline plots. Soil structure is loose on the pine, the pine is conducive to ventilation, the next is conducive to rooted growth. 2, farming. Sprinkled evenly on the fermentation of organic fertilizer 5000 kg / mu, urea 30 kg / mu, superphosphate 80 kg / mu, 25 kg potassium chloride / mu, deep plowing 30 cm. 3, Rake flat ridge, ridge spacing of 80 cm, ridge height of 10 cm that loose soil width cm cm planting large and small