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山楂是蓟县栽培的主要果树树种之一，重点分布在北部山区。1990年栽培面积230hm2，产量300万kg，1994年为800万kg。但是，由于山楂产量的增长而加工业的滞后，使山楂价格从80年代中期的4．00元／kg猛跌到1995年的0．16元／kg。严重挫伤了果农管理山楂的积极性，大部分山楂园处?
Hawthorn is one of the main fruit tree species cultivated in Jixian County, with the focus on northern mountainous areas. In 1990, the cultivated area was 230hm2 with a yield of 3 million kg in 1994 and 8 million kg in 1994. However, due to the slowdown in the processing industry due to the increase in the production of hawthorn, the price of hawthorn plummeted from 4.00 yuan / kg in the mid-1980s to 0.16 yuan / kg in 1995. Seriously dampened the enthusiasm of farmers to manage hawthorn, most hawthorn garden?