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山西祁县地处晋中腹部,水果产业是该县农业主导产业之一,水果收入占到全县农民收入的30%。祁县果树种植总面积达15万亩,其中酥梨占8.5万亩。祁县酥梨闻名山西,更是远销国内外。但近年来,梨农轻秋施基肥,重花前和膨大期施肥;轻施有机肥、磷肥、钾肥,重施氮肥;导致土壤板结、有机质缺乏,花芽分化率低、开花座果率低,品质退化,病虫害(腐烂病、黄叶、梨木虱)等频发,产量受损,致使酥梨产业的发展受到制约。
Qixian County, Shanxi Province is located in the abdomen of Jinzhong, the fruit industry is one of the county’s leading agricultural industry, fruit income accounted for 30% of the county income of farmers. Qixian fruit tree planting a total area of 15 hectares, of which pear accounted for 85,000 mu. Qixian pear famous Shanxi, is sold at home and abroad. However, in recent years, pears and peasants were lightly applied with base fertilizer in autumn, heavy before fertilization and swollen period; light application of organic manure, phosphate fertilizer, potash fertilizer and heavy nitrogen fertilizer; leading to soil compaction, lack of organic matter, low flower bud differentiation rate, Quality degradation, pests and diseases (rot disease, yellow leaves, pear psylla) and other frequent, yield loss, resulting in the development of the pear industry is restricted.