人参在一个地块连续生长２～４年，土壤中的有机和无机营养会逐渐减少，不采取补肥的办法，很难保证人参连年生长对肥料的需要。在人参施肥中，必须依据人参的需肥特点和规律，进行合理的平衡施肥，确保人参的产量和质量。 人参为半阴性植物，叶面积有限，光合能力弱，生长量少 Ginseng grows continuously for 2 to 4 years in a plot. The organic and inorganic nutrition in the soil will be gradually reduced. It is difficult to ensure the need of fertilizer for ginseng growing year after year. In the ginseng fertilizer, ginseng needs to be based on the characteristics and laws of fertilizer needs, a reasonable balance of fertilization to ensure the yield and quality of ginseng. Ginseng is a semi-negative plant with limited leaf area, weak photosynthetic capacity and few growth