莱阳茌梨主要分布在我市五龙河支流两岸的均砂、均砂壤、夹砂、夹砂壤、河潮土及半固定凤沙土地带,土壤沙性大,基础养分贫乏,保肥能力差;并由于长期施肥不足及种类单一等原因,严重地影响了产量和品质。因此,于1986-1987年、在茌梨土宜调查的基础上,进行了肥料试验,以探索复合肥 Laiyang pear mainly distributed in the city of Wulong River tributaries of both sides of the sand, are sandy soil, sand, sand folder, river sand and semi-fixed sand sandy soil, sandy soil, lack of basic nutrients, fertilizer and fat capacity Poor; and due to lack of long-term fertilization and single species and other reasons, has seriously affected the yield and quality. Therefore, in 1986-1987, on the basis of the investigation of Yili pear soil, fertilizer experiments were conducted to explore the effects of compound fertilizer