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山东省苹果幼树不能适龄结果是一个较普遍的问题,如崂山县有苹果幼树62万多株,占苹果总株数的76.5％。这些幼树虽已有8-12年的树龄,但绝大多数尚未结果。这种情况严重的影响了当地的农业生产。为此,青岛市农业科学研究所1963年与崂山县林业局在仙家寨公社狗塔埠大队建立基点;1964年又在夏庄公社丹山一、二大队1,358亩大面积果园,扩建了新的常驻基点和其他联系基点,着重围绕幼树不结果问题,进行了以下工作,并获得了良好的效果。 1.大搞丰产样板田:我们在九个基点中,由领导、技术员和群众三结合,共建立了2,152亩丰产样板田。各处样板田在当地党的领导下,分别成立了果树队,加强果树生产的领导和田间管理,并采用疏枝轻短截、早春灌水追肥、环状剥皮、花期喷尿、果台副梢摘心、防治病虫等措施,改变了果树不结果的局面,获得了显著的丰收。如狗塔埠大队自1952年栽苹果树以来,只有1957年结过七千余斤果子,以后一直没有产量;1963年设立基点后,当年就获得苹果6,057斤,1964年又得到64,131斤,增产十倍之多。其中示范园平均株产71.7斤,而对照园平均株产51.5斤。丹山一、二大队的果树,1963年只收了不到二万斤果子,1964年设点当年就收了十七万斤,增加了八倍。
It is a common problem that the young apple tree in Shandong Province can not reach the appropriate age. For example, there are over 620,000 young apple trees in Laoshan County, accounting for 76.5% of the total number of apples. Although these saplings have been aged 8-12 years, most have not yet been established. This situation has seriously affected the local agricultural production. To this end, Qingdao Institute of Agricultural Sciences and the Laoshan Forestry Bureau in 1963 in Xiajiazhai commune dog tower port brigade to establish a base; 1964 and Xiazhuang commune Danshan first and second brigade 1,358 acres of large area orchard, the expansion of the new Of the permanent basis and other points of contact, focusing on non-outcome of the young tree problems, the following work has been achieved, and achieved good results. 1. Great model for production Tian: We in nine basis points, by the leadership, technicians and the masses three combined to create a total of 2,152 acres of high-yielding model field. Under the leadership of the local Party, the model fields around each set up fruit tree teams to strengthen the leadership and field management of fruit tree production. They adopted short shoots of thinning branches, irrigation top dressing in spring, ring-shaped peeling, Topping, prevention and control of pests and other measures to change the fruitless fruit of the situation, access to a significant harvest. For example, since the portugal group of brothels planted apple trees in 1952, only 7,700 kilos of fruits were harvested in 1957 and no output was produced thereafter. After establishing the base point in 1963, 6,057 pounds of apples were obtained in that year and 64,131 pounds were gained in 1964, Ten times as many. The average yield of the demonstration garden was 71.7 kg, while that of the control garden was 51.5 kg. The fruit trees of the first and second brigades of Danshan collected only less than 20,000 pounds of fruit in 1963 and 170,000 pounds in 1964, an increase of eight times.