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陇中民众利用鹞子和麻雀之间的天敌关系,人工驯化鹞子用来驱赶和捕捉麻雀,保护糜谷等秋季庄稼免受麻雀糟蹋,这种生产民俗在当地称为“放鹞子”。20世纪80年代前,“放鹞子”这种生产民俗陇中农村普遍存在。由于农村实行家庭联产承包责任制及工农业迅速发展,“放鹞子”这种生产民俗在陇中逐渐消失,但在生态环境不断恶化的背景下,将动物食物链中天敌关系合理运用于生产实际仍具有其价值。
Longzhong people use the natural enemies between the prickly heat and the sparrows, artificial domesticated prickly heat used to drive away and capture the sparrows to protect Mi Gu and other autumn crops from sparrows spoiled, this production of folk locally called . Before the 1980s, the production of folk “Longzhong” was widespread in rural areas of Longzhong. Due to the implementation of the household contract responsibility system and the rapid development of agriculture and industry in rural areas, the production folk custom of “letting go of childbirth” gradually disappeared in Longzhong. However, in the context of deteriorating ecological environment, the natural enemies in the animal food chain are rationally applied to Production actually still has its value.