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2007—2009年,在河北省河间市进行枣树优质丰产综合管理技术多点试验示范。主要采用穴贮肥水及降高度、疏密度、开角度的冬季修剪法,科学管理花果,及时防治病虫害等措施。3个试验示范园3年平均每667 m2比对照园增产395.0～429.0 kg,新增产值1 264.0～1 372.8元。示范技术在河北省河间市累计推广750 hm2,共增产369万kg,新增收益1738.0万元。
2007-2009 years in Hejian City, Hebei jujube quality and comprehensive management of multi-point pilot demonstration. The main use of storage of fertilizer and reduce the hole density, density, open angle pruning in winter, scientific management of fruit, timely pest control and other measures. The average annual output of 3 pilot demonstration parks increased from 395.0 to 429.0 kg per 667 m2 in comparison with the control park, with a newly added output value of 1 264.0 to 1 372.8 yuan. Demonstration technology in Hejian City, Hebei Province, a total of 750 hm2 promotion, a total increase of 3690000 kg, the new gain of 17380000 yuan.