1.选地、整地与施肥改土农田栽参应选择土质肥沃、有机质含量高、质地疏松、湿度稍大,而且有良好排水条件的中性土壤。在雨量较大的地区,应选择稍有坡度、背风向阳的地块,以利防旱防冻。栽参地块要实行秋翻地,翻地深度6～7寸。第二年进行休闲整地,全年至少要翻地6次,第一次翻地要 1. Selection, site preparation and fertilization Soil preparation should be selected soil fertility, high organic matter content, loose texture, slightly larger humidity, and good drainage conditions of neutral soil. In areas with a large amount of rainfall, we should choose a slightly sloping, leeward sunny plot to facilitate anti-drought and antifreeze. Planting plots to be implemented autumn fall, turn the depth of 6 to 7 inches. The second year of leisure site preparation, turn the floor at least 6 times the first time to turn the ground