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苹果性喜冷凉干燥,要求强光照,适宜砂壤性土壤。我省大部分地区阴雨多,日照少,湿度大,土壤多为粘重的黄壤,对苹果树的生长发育不利,影响苹果经济栽培的效果。由于这些不利因素,贵阳地区苹果栽培面积从六十年代中期的三万多亩下降为不到一万亩,近期年产只200万斤左右。 在贵阳地区,苹果往往存在花而不实或开花多、座果少的现象。这主要是由于贵阳地区苹果花期常遇低温阴雨,影响果树授粉受精所致。所以,贵阳地区苹果产量往往取
Apple likes to cool and dry, requiring strong light, suitable for sandy soil. In most parts of our province, there are more rainy days, less sunshine, more humidity and more sticky yellow soil, which adversely affects the growth and development of apple trees and affects the economic cultivation of apples. Due to these unfavorable factors, the cultivated area of apple trees in Guiyang dropped from 30,000 mu in the mid-1960s to less than 10,000 mu and the recent annual output was only about 2 million kilos. In Guiyang area, the apple often has the phenomenon of blossoming, blossoming and fruitless. This is mainly due to low flowering and rainy season apple blossoms in Guiyang, affecting fruit pollination fertilization caused. Therefore, Guiyang region often take the output of apples