论文部分内容阅读
我们河头大队是个老梨区,梨树面积1,200亩,大小果树17,000余棵。1974年梨的总产量达到4百万斤,超过了历史最高水平。 我哨自1965年建立以来,在果树与气象关系方面找到了些指标,配合果树管理,起了一定作用。 一、梨树开花期对天气条件的要求 梨树从花芽萌动到盛花期这一阶段最不喜欢大风暴雨和低温天气,因为遇到这样的天气座果就受影响。它最喜欢的是: ①天气温和(平均气温在15—
Our riverhead brigade is an old Pear district, with an area of 1,200 mu of pear trees and 17,000 fruit trees of size. In 1974, the total output of pears reached 4 million jin, exceeding the highest level in history. Since the establishment of my post in 1965, some indicators have been found concerning the relationship between fruit trees and meteorology, which has played a part in the management of fruit trees. First, the pear flowering on the weather conditions pear blossom from flower sprouting to the full bloom at this stage most like the storm and cold weather, because of such weather is affected by the fruit. Its favorite is: ① mild weather (average temperature in the 15-