How is the rock candy heart apple formed?
1. The altitude is high, the winter is cold, and there are few pests and diseases in fruit maturity;
2. Sufficient sunshine time and large temperature difference between day and night;
3. The soil is mostly sandy soil with little pollutant deposition;
4. Irrigation water is mostly glacial snowmelt, which is cold and clean;
5.? The picking period is late, mostly after full maturity, about 65438+1October 25th every year.
Long sunshine, large temperature difference between day and night and late picking are all very beneficial to the accumulation of sugar in fruits, thus increasing sweetness; For example, cold winter and less pollution are conducive to reducing the impact of frequent pests and diseases on fruits, thus improving the quality of fruits, which is also the reason why "rock candy heart" apples are getting brighter and brighter.