论文部分内容阅读
井陉县万亩枣树基地以石灰岩山地为主,石灰性褐土面积占60%,主栽婆枣、团枣、赞皇大枣及梨枣等。该县林业技术站针对其管理粗放、产量低而不稳的状况,在该基地进行了为期3年的石灰岩山地红枣丰产栽培技术示范和推广,取得了显著的经济效益和社会效益。 1、修剪。采用春剪和夏剪相结合的方法。春剪时,疏内膛密枝以打开光路,对双头并生枝去其高位枣头,降低树冠,以便喷药等各项管理,对水平延伸下垂的老枣头枝回缩三分之一换头,以更新复壮延长枣树结果
Jingtao County, jujube base to limestone mountain-based limestone cinnamon area accounted for 60%, planted Po date, dates jujube, Zanhuang jujube and pear dates. The county forestry technology station for its extensive management, low yield and instability, the base for a 3-year limestone mountain jujube high yield cultivation techniques demonstration and promotion, and achieved significant economic and social benefits. 1, trim. Using a combination of spring cut and summer cut. Spring shear, open the dense branches in order to open the light path, the two heads and branches to go to its high head, reduce the crown, so that the spraying and other management, the horizontal extension of the drooping jujube head branches retracted by a third Replacement, to renew and rejuvenate the jujube tree results