地沟贮藏苹果,是山东苹果产区的主要贮藏方法。具有设备简单、容量大、用工少、成本低、损耗轻、效益高等优点,适宜产区就地贮藏晚熟苹果品种。能有效地贮藏鲜果,延长苹果供应期。地沟贮藏场地要选地势平坦、开阔、背风向阳、土质坚实、高燥而不积水、运输管理方便的地方。场地大小可依贮藏量决定,山东烟台地区一般每平方米可贮苹果500—600斤。地沟走向以东西为宜,沟深可根据各地严冬的最大冻土深度确定,以沟藏果温度不低于-2℃为宜。烟台地区地沟深度一般为0.8—1米(地面以下沟深60—80厘米,沟沿 Ditch storage of apples, Shandong apple producing areas is the main method of storage. Has the advantages of simple equipment, large capacity, less labor, low cost, light loss, high efficiency, suitable for storage in the producing areas of late-maturing apple varieties. Can effectively store fresh fruits and extend the supply period of the apple. Ditch storage site to be selected flat, open, leeward sunny, solid soil, high dry without water, transport management convenience. The size of the venue can be determined according to the amount of storage, Yantai, Shandong Province, generally per square meter can store 500-600 pounds of apples. Ditch to things to something appropriate, ditch depth can be determined according to the depth of the frozen soil around the harsh winter to ditch Tibetan fruit temperature of not less than -2 ℃ is appropriate. The depth of the trench in Yantai is generally 0.8-1 meters (60-80 cm below the ground furrows, ditch along