沙地梨树早果优质丰产栽培技术柴全喜，何新朝，宋素智（河北省藁城市职业技术教育中心·０５２１６０）我市地处滹沦河沿岸，河滩沙地面积达到７００００ｈｍ￣２。近年来，这些沙滩地大多被开发利用栽植上了果树，其中梨树种植面积占沙滩地果树种植面积的三分之二左右。... Sandy pear early quality and high yielding cultivation techniques Chai Quanxi, He Xinchao, Song Suzhi (Hebei Province City Vocational and Technical Education Center · 052160) City is located in the coast of the river, river beach sand area of ​​70000hm ~ 2. In recent years, most of these sandy beaches have been developed and utilized for planting fruit trees, of which the area under pear cultivation accounts for about two-thirds of the area planted with fruit trees on the beach. ...